GE F650 - Page 221

5-74 F650 Digital Bay Controller GEK-106310AB
5.4 PROTECTION ELEMENTS 5 SETTINGS
5
Table 5–66: 59NH/59NL ELEMENT SETTINGS
The snapshot event setting enables or disables the snapshot event generation for this element.
5.4.8.4 NEGATIVE SEQUENCE OVERVOLTAGE ELEMENT (47)
The Negative sequence phase overvoltage element uses as its input magnitude the negative sequence component
calculated from the phase voltage values. This element can be used to detect the loss of one or two phases, unbalance
voltage conditions, etc.
Table 5–67: 47 ELEMENT SETTINGS
The snapshot event setting enables or disables the snapshot event generation for this element.
5.4.8.5 AUXILIARY OVERVOLTAGE ELEMENT (59X)
This is an Auxiliary overvoltage element for general use that uses as its input magnitude the voltage measured by the 4
th
VT (when VX is selected as Auxiliary Voltage in General Settings). The time delay for element 59X can be set from 0 to 900
seconds. The element has a reset than can be programmed from 0 to 900 seconds.
Table 5–68: 59X ELEMENT SETTINGS
The snapshot event setting enables or disables the snapshot event generation for this element.
SETPOINT > PROTECTION ELEMENTS > VOLTAGE ELEMENTS >
>NEUTRAL OV HIGH > NEUTRAL OV HIGH 1> NEUTRAL OV HIGH 2 > NEUTRAL OV HIGH 3
>NEUTRAL OV LOW > NEUTRAL OV LOW 1> NEUTRAL OV LOW 2 > NEUTRAL OV LOW 3
SETTING DESCRIPTION NAME DEFAULT VALUE STEP RANGE
Function permission Function DISABLED N/A [DISABLED – ENABLED]
Pickup Level Pickup Level 10 1 V [3 : 300 ]
Trip time Trip Delay 10.00 0.01 s [0.00 : 900.00]
Reset time Reset Delay 0.00 0.01 s [0.00 : 900.00]
Snapshot Event generation Snapshot Events ENABLED N/A [DISABLED – ENABLED]
SETPOINT > PROTECTION ELEMENTS > VOLTAGE ELEMENTS > NEGATIVE SEQUENCE OV >
NEGATIVE SEQUENCE OV 1> NEGATIVE SEQUENCE OV 2 > NEGATIVE SEQUENCE OV 3
SETTING DESCRIPTION NAME DEFAULT
VALUE
STEP RANGE
Function permission Function DISABLED N/A [DISABLED – ENABLED]
Pickup Level Pickup Level 10 1 V [3 : 300]
Trip time Trip Delay 10.00 0.01 s [0.00 : 900.00]
Reset time Reset Delay 0.00 0.01 s [0.00 : 900.00]
Snapshot Event generation Snapshot Events ENABLED N/A [DISABLED – ENABLED]
SETPOINT > PROTECTION ELEMENTS > VOLTAGE ELEMENTS > AUXILIARY OV >
AUXILIARY OV 1> AUXILIARY OV 2 > AUXILIARY OV 3
SETTING DESCRIPTION NAME DEFAULT VALUE STEP RANGE
Function permission Function DISABLED N/A [DISABLED – ENABLED]
Pickup Level Pickup Level 10 1 V [3 : 300]
Trip time Trip Delay 10.00 0.01 s [0.00 : 900.00]
Reset time Reset Delay 0.00 0.01 s [0.00 : 900.00]
Snapshot Event generation Snapshot Events ENABLED N/A [DISABLED – ENABLED]