Protection and Control Function
28
Protection and Control Function
Protection and Control Function
Protection and Control Function
Protection and Control Function
Protection and Control Function
Protection and Control Function
Protection and Control Function
Protection and Control Function
Protection and Control Function
The thermal model used during cooling condition for rotating machines is:
I
I
τ
τ
Emergency start function f
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
be blocked if the actual thermal image is above by the setting of
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
communication or HMI or binary input). The activation and deactivation of
BLK_CLOSE will be recorded as an event.
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
the actual maximum phase current).
Protection and Control Function
The thermal model used during cooling condition for rotating machines is:
1
= new value of thermal image
0
= present value of thermal image
= maximum value of measured phase
= base current (rated current/full load current defined by setting).
t
= Cooling time constant of standing objects
= Cooling time constant of rotating objects (only REM601)
Emergency start function f
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
be blocked if the actual thermal image is above by the setting of
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
communication or HMI or binary input). The activation and deactivation of
BLK_CLOSE will be recorded as an event.
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
the actual maximum phase current).
Protection and Control Function
The thermal model used during cooling condition for rotating machines is:
= new value of thermal image
= present value of thermal image
= maximum value of measured phase
= base current (rated current/full load current defined by setting).
= Cooling time constant of standing objects
= Cooling time constant of rotating objects (only REM601)
Emergency start function f
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
be blocked if the actual thermal image is above by the setting of
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
BLK_CLOSE will be recorded as an event.
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
the actual maximum phase current).
Protection and Control Function
The thermal model used during cooling condition for rotating machines is:
= new value of thermal image
= present value of thermal image
= maximum value of measured phase
= base current (rated current/full load current defined by setting).
= Cooling time constant of standing objects
= Cooling time constant of rotating objects (only REM601)
Emergency start function f
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
be blocked if the actual thermal image is above by the setting of
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
BLK_CLOSE will be recorded as an event.
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
rmal image along with time is stored every 60 sec. (and for option 1 also
the actual maximum phase current).
Protection and Control Function
The thermal model used during cooling condition for rotating machines is:
= new value of thermal image
= present value of thermal image
= maximum value of measured phase
= base current (rated current/full load current defined by setting).
= Cooling time constant of standing objects
= Cooling time constant of rotating objects (only REM601)
Emergency start function f
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
be blocked if the actual thermal image is above by the setting of
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
BLK_CLOSE will be recorded as an event.
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
rmal image along with time is stored every 60 sec. (and for option 1 also
the actual maximum phase current).
Protection and Control Function
The thermal model used during cooling condition for rotating machines is:
= new value of thermal image
= present value of thermal image
= maximum value of measured phase
= base current (rated current/full load current defined by setting).
= Cooling time constant of standing objects
= Cooling time constant of rotating objects (only REM601)
Emergency start function f
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
ode, it is required that START_EMERG remains active continuously.
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
be blocked if the actual thermal image is above by the setting of
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
BLK_CLOSE will be recorded as an event.
The value of at the start of the function (i.e. at power on of the
Step size for calculating thermal image depends on IED
capability. It should be noted that the function is not a fast
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
rmal image along with time is stored every 60 sec. (and for option 1 also
the actual maximum phase current).
The thermal model used during cooling condition for rotating machines is:
= new value of thermal image
= present value of thermal image
= maximum value of measured phase
= base current (rated current/full load current defined by setting).
= Cooling time constant of standing objects
= Cooling time constant of rotating objects (only REM601)
Emergency start function f
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
ode, it is required that START_EMERG remains active continuously.
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
be blocked if the actual thermal image is above by the setting of
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
BLK_CLOSE will be recorded as an event.
The value of at the start of the function (i.e. at power on of the
Step size for calculating thermal image depends on IED
capability. It should be noted that the function is not a fast
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
rmal image along with time is stored every 60 sec. (and for option 1 also
the actual maximum phase current).
The thermal model used during cooling condition for rotating machines is:
= new value of thermal image
= present value of thermal image
= maximum value of measured phase
= base current (rated current/full load current defined by setting).
= Cooling time constant of standing objects
= Cooling time constant of rotating objects (only REM601)
Emergency start function f
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
ode, it is required that START_EMERG remains active continuously.
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
be blocked if the actual thermal image is above by the setting of
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
BLK_CLOSE will be recorded as an event.
The value of at the start of the function (i.e. at power on of the
Step size for calculating thermal image depends on IED
capability. It should be noted that the function is not a fast
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
rmal image along with time is stored every 60 sec. (and for option 1 also
the actual maximum phase current).
The thermal model used during cooling condition for rotating machines is:
= new value of thermal image
= present value of thermal image
= maximum value of measured phase
= base current (rated current/full load current defined by setting).
= Cooling time constant of standing objects
= Cooling time constant of rotating objects (only REM601)
Emergency start function f
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
ode, it is required that START_EMERG remains active continuously.
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
be blocked if the actual thermal image is above by the setting of
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
BLK_CLOSE will be recorded as an event.
The value of at the start of the function (i.e. at power on of the
Step size for calculating thermal image depends on IED
capability. It should be noted that the function is not a fast
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
rmal image along with time is stored every 60 sec. (and for option 1 also
the actual maximum phase current).
The thermal model used during cooling condition for rotating machines is:
= new value of thermal image
= present value of thermal image
= maximum value of measured phase
= base current (rated current/full load current defined by setting).
= Cooling time constant of standing objects
= Cooling time constant of rotating objects (only REM601)
Emergency start function f
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
ode, it is required that START_EMERG remains active continuously.
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
be blocked if the actual thermal image is above by the setting of
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
BLK_CLOSE will be recorded as an event.
The value of at the start of the function (i.e. at power on of the
Step size for calculating thermal image depends on IED
capability. It should be noted that the function is not a fast
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
rmal image along with time is stored every 60 sec. (and for option 1 also
the actual maximum phase current).
The thermal model used during cooling condition for rotating machines is:
= new value of thermal image
= present value of thermal image
= maximum value of measured phase
= base current (rated current/full load current defined by setting).
0
= Cooling time constant of standing objects
= Cooling time constant of rotating objects (only REM601)
Emergency start function f
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
ode, it is required that START_EMERG remains active continuously.
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
be blocked if the actual thermal image is above by the setting of
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
BLK_CLOSE will be recorded as an event.
The value of at the start of the function (i.e. at power on of the
Step size for calculating thermal image depends on IED
capability. It should be noted that the function is not a fast
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
rmal image along with time is stored every 60 sec. (and for option 1 also
the actual maximum phase current).
The thermal model used during cooling condition for rotating machines is:
∆
= new value of thermal image
= present value of thermal image
= maximum value of measured phase
= base current (rated current/full load current defined by setting).
= Cooling time constant of standing objects
= Cooling time constant of rotating objects (only REM601)
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
ode, it is required that START_EMERG remains active continuously.
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
be blocked if the actual thermal image is above by the setting of
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
BLK_CLOSE will be recorded as an event.
The value of at the start of the function (i.e. at power on of the
Step size for calculating thermal image depends on IED
capability. It should be noted that the function is not a fast
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
rmal image along with time is stored every 60 sec. (and for option 1 also
the actual maximum phase current).
The thermal model used during cooling condition for rotating machines is:
= present value of thermal image
= maximum value of measured phase
= base current (rated current/full load current defined by setting).
1
= Cooling time constant of standing objects
= Cooling time constant of rotating objects (only REM601)
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
ode, it is required that START_EMERG remains active continuously.
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
be blocked if the actual thermal image is above by the setting of
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
BLK_CLOSE will be recorded as an event.
The value of at the start of the function (i.e. at power on of the
Step size for calculating thermal image depends on IED
capability. It should be noted that the function is not a fast
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
rmal image along with time is stored every 60 sec. (and for option 1 also
the actual maximum phase current).
The thermal model used during cooling condition for rotating machines is:
= maximum value of measured phase
= base current (rated current/full load current defined by setting).
= Cooling time constant of standing objects
= Cooling time constant of rotating objects (only REM601)
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
ode, it is required that START_EMERG remains active continuously.
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
be blocked if the actual thermal image is above by the setting of
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
BLK_CLOSE will be recorded as an event.
The value of at the start of the function (i.e. at power on of the
Step size for calculating thermal image depends on IED
capability. It should be noted that the function is not a fast
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
rmal image along with time is stored every 60 sec. (and for option 1 also
Option 1: When the power is restored after
Δt, the new value of current after power on
will be considered (which can be more or
The thermal model used during cooling condition for rotating machines is:
= maximum value of measured phase
= base current (rated current/full load current defined by setting).
= Cooling time constant of standing objects
= Cooling time constant of rotating objects (only REM601)
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
ode, it is required that START_EMERG remains active continuously.
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
be blocked if the actual thermal image is above by the setting of
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
BLK_CLOSE will be recorded as an event.
The value of at the start of the function (i.e. at power on of the
Step size for calculating thermal image depends on IED
capability. It should be noted that the function is not a fast
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
rmal image along with time is stored every 60 sec. (and for option 1 also
Option 1: When the power is restored after
Δt, the new value of current after power on
will be considered (which can be more or
The thermal model used during cooling condition for rotating machines is:
= base current (rated current/full load current defined by setting).
= Cooling time constant of standing objects
= Cooling time constant of rotating objects (only REM601)
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
in %. For function to remain in
ode, it is required that START_EMERG remains active continuously.
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
be blocked if the actual thermal image is above by the setting of
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
The value of at the start of the function (i.e. at power on of the
Step size for calculating thermal image depends on IED
capability. It should be noted that the function is not a fast
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
rmal image along with time is stored every 60 sec. (and for option 1 also
Option 1: When the power is restored after
Δt, the new value of current after power on
will be considered (which can be more or
The thermal model used during cooling condition for rotating machines is:
= base current (rated current/full load current defined by setting).
= Cooling time constant of rotating objects (only REM601)
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
in %. For function to remain in
ode, it is required that START_EMERG remains active continuously.
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
be blocked if the actual thermal image is above by the setting of
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
The value of at the start of the function (i.e. at power on of the
Step size for calculating thermal image depends on IED
capability. It should be noted that the function is not a fast
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
rmal image along with time is stored every 60 sec. (and for option 1 also
Option 1: When the power is restored after
Δt, the new value of current after power on
will be considered (which can be more or
The thermal model used during cooling condition for rotating machines is:
= base current (rated current/full load current defined by setting).
= Cooling time constant of rotating objects (only REM601)
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
in %. For function to remain in
ode, it is required that START_EMERG remains active continuously.
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
be blocked if the actual thermal image is above by the setting of
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
The value of at the start of the function (i.e. at power on of the
Step size for calculating thermal image depends on IED
capability. It should be noted that the function is not a fast
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
rmal image along with time is stored every 60 sec. (and for option 1 also
Option 1: When the power is restored after
Δt, the new value of current after power on
will be considered (which can be more or
The thermal model used during cooling condition for rotating machines is:
= base current (rated current/full load current defined by setting).
= Cooling time constant of rotating objects (only REM601)
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
in %. For function to remain in
ode, it is required that START_EMERG remains active continuously.
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
be blocked if the actual thermal image is above by the setting of
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
The value of at the start of the function (i.e. at power on of the
Step size for calculating thermal image depends on IED
capability. It should be noted that the function is not a fast
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
rmal image along with time is stored every 60 sec. (and for option 1 also
Option 1: When the power is restored after
Δt, the new value of current after power on
will be considered (which can be more or
The thermal model used during cooling condition for rotating machines is:
= base current (rated current/full load current defined by setting).
= Cooling time constant of rotating objects (only REM601)
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
in %. For function to remain in
ode, it is required that START_EMERG remains active continuously.
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
be blocked if the actual thermal image is above by the setting of
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
The value of at the start of the function (i.e. at power on of the
Step size for calculating thermal image depends on IED
capability. It should be noted that the function is not a fast
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
rmal image along with time is stored every 60 sec. (and for option 1 also
Option 1: When the power is restored after
Δt, the new value of current after power on
will be considered (which can be more or
The thermal model used during cooling condition for rotating machines is:
= base current (rated current/full load current defined by setting).
= Cooling time constant of rotating objects (only REM601)
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
in %. For function to remain in
ode, it is required that START_EMERG remains active continuously.
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
be blocked if the actual thermal image is above by the setting of
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
The value of at the start of the function (i.e. at power on of the
Step size for calculating thermal image depends on IED
capability. It should be noted that the function is not a fast
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
rmal image along with time is stored every 60 sec. (and for option 1 also
Option 1: When the power is restored after
Δt, the new value of current after power on
will be considered (which can be more or
The thermal model used during cooling condition for rotating machines is:
= base current (rated current/full load current defined by setting).
= Cooling time constant of rotating objects (only REM601)
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
in %. For function to remain in
ode, it is required that START_EMERG remains active continuously.
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
be blocked if the actual thermal image is above by the setting of
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
The value of at the start of the function (i.e. at power on of the
Step size for calculating thermal image depends on IED
capability. It should be noted that the function is not a fast
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
rmal image along with time is stored every 60 sec. (and for option 1 also
Option 1: When the power is restored after
Δt, the new value of current after power on
will be considered (which can be more or
The thermal model used during cooling condition for rotating machines is:
= base current (rated current/full load current defined by setting).
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
in %. For function to remain in
ode, it is required that START_EMERG remains active continuously.
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
The value of at the start of the function (i.e. at power on of the
Step size for calculating thermal image depends on IED
capability. It should be noted that the function is not a fast
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
rmal image along with time is stored every 60 sec. (and for option 1 also
Option 1: When the power is restored after
Δt, the new value of current after power on
will be considered (which can be more or
The thermal model used during cooling condition for rotating machines is:
= base current (rated current/full load current defined by setting).
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
in %. For function to remain in
ode, it is required that START_EMERG remains active continuously.
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
The value of at the start of the function (i.e. at power on of the
Step size for calculating thermal image depends on IED
capability. It should be noted that the function is not a fast
Behavior of thermal image during power down condition of IED:
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
rmal image along with time is stored every 60 sec. (and for option 1 also
Option 1: When the power is restored after
Δt, the new value of current after power on
will be considered (which can be more or
The thermal model used during cooling condition for rotating machines is:
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
in %. For function to remain in
ode, it is required that START_EMERG remains active continuously.
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
The value of at the start of the function (i.e. at power on of the
Step size for calculating thermal image depends on IED
capability. It should be noted that the function is not a fast
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
the power is restored. These options are selectable by the setting Mode
ϑ
rmal image along with time is stored every 60 sec. (and for option 1 also
Option 1: When the power is restored after
Δt, the new value of current after power on
will be considered (which can be more or
YN
The thermal model used during cooling condition for rotating machines is:
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
in %. For function to remain in
ode, it is required that START_EMERG remains active continuously.
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
communication or HMI or binary input). The activation and deactivation of
The value of at the start of the function (i.e. at power on of the
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
rmal image along with time is stored every 60 sec. (and for option 1 also
Option 1: When the power is restored after
Δt, the new value of current after power on
will be considered (which can be more or
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
ode, it is required that START_EMERG remains active continuously.
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
this condition the output to block closing of the CB (BLK_CLOSE) is activated.
BLK_CLOSE is active closing of CB is not allowed by any means (i.e.
The value of at the start of the function (i.e. at power on of the
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
rmal image along with time is stored every 60 sec. (and for option 1 also
Option 1: When the power is restored after
Δt, the new value of current after power on
will be considered (which can be more or
An additional configurable start emergency input (START_EMERG) is provided.
When the activated, the emergency mode is activated, which temporary increase
ode, it is required that START_EMERG remains active continuously.
As soon as the input is deactivated, trip value will restore back to original setting.
The activation and deactivation of input START_EMERG is recorded as an event.
revent overheating of hotspots within a motor during startup, the restart could
Condition arises where in the power supplied to the IED is interrupted. The user
could select four different behaviors / options to calculate the thermal level when
rmal image along with time is stored every 60 sec. (and for option 1 also
Option 1: When the power is restored after
Δt, the new value of current after power on
will be considered (which can be more or
ode, it is required that START_EMERG remains active continuously.
Option 1: When the power is restored after
Δt, the new value of current after power on