GE L90 User Manual

CHAPTER 5: SETTINGS GROUPED ELEMENTS
L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL 5-275
5
Figure 5-149: Neutral directional overcurrent logic
5.7.10 Wattmetric ground fault
5.7.10.1 Wattmetric zero-sequence directional (ANSI 32N, IEC PSDE)
SETTINGS  GROUPED ELEMENTS  SETTING GROUP 1(6)  WATTMETRIC...  WATTMETRIC GROUND FAULT 1(2)
 WATTMETRIC
 GROUND FAULT 1

WATTMETRIC GND FLT 1
FUNCTION: Disabled
Range: Disabled, Enabled

WATTMETRIC GND FLT 1
SOURCE: SRC 1
Range: SRC 1, SRC 2, SRC 3, SRC 4

WATTMETRIC GND FLT 1
VOLT: Calculated VN
Range: Calculated VN, Measured VX

WATTMETRIC GND FLT 1
OV PKP: 0.20 pu
Range: 0.02 to 3.00 pu in steps of 0.01

WATTMETRIC GND FLT 1
CURR: Calculated IN
Range: Calculated IN, Measured IG

WATTMETRIC GND FLT 1
OC PKP: 0.060 pu
Range: 0.002 to 30.000 pu in steps of 0.001

GE L90 Specifications

General

Communication	Ethernet, Serial
Mounting	Panel Mount
Frequency	50/60 Hz
Inputs	Digital, Analog
Outputs	Relay
Control	Local, Remote
Communication Interface	IEC 61850, DNP3, Modbus
Protection Functions	Differential, Ground Fault
Standards Compliance	IEC, IEEE