Fault - GE 845 Instruction Manual

CHAPTER 4: SETPOINTS

Fault

Post-Fault
845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
The Fault state is intended to simulate the faulted operating condition of a system by
replacing the normal input parameters with programmed fault values.
Voltage magnitudes and angles are entered as Wye values only. The voltage setpoints are
not available if the corresponding VT Bank PHASE VT CONNECTION setpoint is Delta.
Voltages are set in secondary VT units.
The CT and VT Bank availability is dependent on the installed Order Code options.
Path:
Setpoints > Testing > Simulation > Fault
J2 Fault Van(Vbn,Vcn,Vx) Voltage:
Range: 0.00 to 300.00 V in steps of 0.01
Default: 0.00 V
J2 Fault Van(Vbn,Vcn,Vaux) Angle:
Range: -359.9° to 0.0° in steps of 0.1
Default: 0.0°
J1(K1,K2) Fault Phase la(lb,lc):
Range: 0.000 to 46.000 x CT in steps of 0.001 x CT
Default: 0.000 x CT
J1(K1,K2) Fault Phase lg:
Range:
For Ground CT: 0.000 to 46.000 x CT in steps of 0.001 x CT
Default: 0.000 x CT
J1(K1,K2) Fault la(lb,lc,lg) Angle:
Range: -359.9° to 0.0° in steps of 0.1
Default: 0.0°
The Post-fault state is intended to simulate a system that has tripped by replacing the
normal input parameters with programmed post-fault values.
Voltage magnitudes and angles are entered as Wye values only. The voltage setpoints are
not available if the corresponding VT Bank PHASE VT CONNECTION setpoint is Delta.
Voltages are set in secondary VT units.
The CT and VT Bank availability is dependent on the installed Order Code options.
Path:
Setpoints > Testing > Simulation > Post-Fault
J2 Postfault Van(Vbn,Vcn,Vx) Voltage:
Range: 0.00 to 300.00 V in steps of 0.01
Default: 0.00 V
J2 Postfault Van(Vbn,Vcn,Vaux) Angle:
Range: -359.9° to 0.0° in steps of 0.1
Default: 0.0°
J1(K1,K2) Postfault Phase la(lb,lc):
Range: 0.000 to 46.000 x CT in steps of 0.001 x CT
Default: 0.000 x CT
J1(K1,K2) Postfault Phase lg:
Range:
For Ground CT: 0.000 to 46.000 x CT in steps of 0.001 x CT
For Sensitive Ground CT: 0.000 to 4.600 x CT in steps of 0.001 x CT
For CBCT: 0.000 to 15.000 A in steps of 0.001
Default: 0.000 x CT
J1(K1,K2) Postfault la(lb,lc,lg) Angle:
Range: -359.9° to 0.0° in steps of 0.1
Default: 0.0°
TESTING
4–357