Siemens 7SR18 Solkor - Differential Meters; Thermal Meters

7SR18 Instrumentation Guide
Unrestricted ©2018 Siemens Protection Devices Limited Page 9 of 14
1.8 Differential Meters
Instrument
Description
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DIFFERENTIAL METERS
> to view
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This is the sub-group that includes all the meters that are associated with
Current TEST/RESET ► allows access to this sub-group
Line Current
Ia 0.000xIn ----
o
Ib 0.000xIn ----
o
Ic 0.000xIn ----
o
Displays 3 Phase Line currents Nominal RMS values & phase angles with
respect to PPS voltage.
Remote Line Current
Ia 0.000xIn ----
o
Ib 0.000xIn ----
o
Ic 0.000xIn ----
o
Displays 3 Phase Remote Line currents Nominal RMS values & phase
angles with respect to PPS voltage.
Relay Current
Ia 0.000xIn ----
o
Ib 0.000xIn ----
o
Ic 0.000xIn ----
o
Displays Relay currents Nominal RMS values & phase angles with respect
to PPS voltage.
Remote Relay Current
Ia 0.000xIn ----
o
Ib 0.000xIn ----
o
Ic 0.000xIn ----
o
Displays Remote Relay currents Nominal RMS values & phase angles with
respect to PPS voltage.
Operate Current
Ia 0.000xIn ----
o
Ib 0.000xIn ----
o
Ic 0.000xIn ----
o
Displays the 3 phase operate currents’ relevant to the Line differential
(87L) and highset differential (87HS) functions.
Restrain Current
Ia 0.000xIn
Ib 0.000xIn
Ic 0.000xIn
Displays the 3 phase restrain currents relevant to the Line differential (87L)
function.
1.9 Thermal Meters
Instrument
Description
--------------------
THERMAL METERS
> to view
This is the sub-group that includes all the meters that are associated with
Thermal TEST/RESET ► allows access to this sub-group
Thermal Status
Phase A 0.0%
Phase B 0.0%
Phase C 0.0%
Displays the thermal capacity