GE D60 Instruction Manual page 519

CHAPTER 5: SETTINGS
NEUTRAL WIRE OPEN 1 DETECTION
connected in Delta, do not enable this function because there is no neutral wire for Delta connected VT.
NEUTRAL WIRE OPEN 1 3 HRAM PKP
logic to pick up.
DETECTION
Base voltage for this element is
of DELTA VTs. The setting is found under
5.8.13.8 Open pole detector
SETTINGS  CONTROL ELEMENTS  MONITORING ELEMENTS  OPEN POLE
 OPEN POLE

D60 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
— Enables and disables the VT neutral wire open detection function. When the VT is
— Specifies the pickup level of 3rd harmonic of 3V0 signal for the
setting in the case of WYE VTs and (
PHASE VT SECONDARY
SETTINGS  SYSTEM SETUP  AC INPUTS  VOLTAGE BANK  PHASE VT SECONDARY
Figure 5-197: VT fuse fail logic
OPEN POLE FUNCTION:

Disabled
OPEN POLE BLOCK:

Off
OPEN POLE VOLTAGE

SUPV: Disabled
OPEN POLE CURRENT

PKP: 0.050 pu
OPEN POLE LINE XC1:

9999.9 Ω
NEUTRAL WIRE OPEN
PHASE VT SECONDARY
Range: Disabled, Enabled
Range: FlexLogic operand
Range: Disabled, Enabled
Range: 0.020 to 30.000 pu in steps of 0.001
Range: 300.0 to 9999.9 ohms in steps of 0.001
CONTROL ELEMENTS
)/ in case
.
5
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