CHAPTER 5: SETTINGS
GROUPED ELEMENTS
N60 NETWORK STABILITY AND SYNCHROPHASOR MEASUREMENT SYSTEM – INSTRUCTION MANUAL
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5
Figure 5-131: Phase overvoltage logic
5.7.8 Supervising elements
5.7.8.1 Open pole detector
SETTINGS
GROUPED ELEMENTS
SETTING GROUP 1(6)
SUPERVISING ELEMENTS
OPEN POLE DETECTOR
If the source VT is wye-connected, then the phase overvoltage pickup condition is V >
x Pickup for V
AB
, V
BC
, and
V
CA
.
OPEN POLE DETECTOR
OPEN POLE FUNCTION:
Disabled
Range: Disabled, Enabled
OPEN POLE BLOCK:
Off
Range: FlexLogic operand
OPEN POLE CURRENT
SOURCE: SRC 1
Range: SRC 1, SRC 2, SRC 3, SRC 4, SRC 5, SRC 6
OPEN POLE CURRENT
PKP: 0.20 pu
Range: 0.05 to 20.00 pu in steps of 0.01
OPEN POLE BROKEN
CONDUCTOR: Disabled
Range: Disabled, Enabled
OPEN POLE VOLTAGE
INPUT: Disabled
Range: Disabled, Enabled
OPEN POLE VOLTAGE
SOURCE: SRC 1
Range: SRC 1, SRC 2, SRC 3, SRC 4, SRC 5, SRC 6
OPEN POLE
φ
A AUX CO:
Off
Range: FlexLogic operand
OPEN POLE
φ
B AUX CO:
Off
Range: FlexLogic operand
OPEN POLE
φ
C AUX CO:
Off
Range: FlexLogic operand
OPEN POLE PICKUP
DELAY: 0.060 s
Range: 0.000 to 65.535 s in steps of 0.001