GE N60 Instruction Manual page 233

5 SETTINGS
Table 5–8: N60 FLEXLOGIC™ OPERANDS (Sheet 4 of 7)
OPERAND TYPE OPERAND SYNTAX
ELEMENT: POWER SWING OUTER
Power swing detect POWER SWING MIDDLE
POWER SWING INNER
POWER SWING BLOCK
POWER SWING TMR2 PKP
POWER SWING TMR3 PKP
POWER SWING TMR4 PKP
POWER SWING TRIP
POWER SWING 50DD
POWER SWING INCOMING
POWER SWING OUTGOING
POWER SWING UN/BLOCK
ELEMENT: SELECTOR 1 POS Y
Selector switch SELECTOR 1 BIT 0
SELECTOR 1 BIT 1
SELECTOR 1 BIT 2
SELECTOR 1 STP ALARM
SELECTOR 1 BIT ALARM
SELECTOR 1 ALARM
SELECTOR 1 PWR ALARM
SELECTOR 2
ELEMENT: SETTING GROUP ACT 1
Setting group SETTING GROUP ACT 2
SETTING GROUP ACT 3
SETTING GROUP ACT 4
SETTING GROUP ACT 5
SETTING GROUP ACT 6
ELEMENT: SRC1 50DD OP
Disturbance SRC2 50DD OP
detector SRC3 50DD OP
SRC4 50DD OP
SRC5 50DD OP
SRC6 50DD OP
ELEMENT: SRC1 VT FUSE FAIL OP
VTFF (Voltage SRC1 VT FUSE FAIL DPO
transformer fuse SRC1 VT FUSE FAIL VOL LOSS
failure)
SRC2 VT FUSE FAIL to SRC6
ELEMENT: SUMMATOR 1 OP
Summator SUMMATOR 2 OP
↓
SUMMATOR 6 OP
GE Multilin N60 Network Stability and Synchrophasor Measurement System
OPERAND DESCRIPTION
Positive-sequence impedance in outer characteristic
Positive-sequence impedance in middle characteristic
Positive-sequence impedance in inner characteristic
Power swing blocking element operated
Power swing timer 2 picked up
Power swing timer 3 picked up
Power swing timer 4 picked up
Out-of-step tripping operated
The power swing element detected a disturbance other than power swing
An unstable power swing has been detected (incoming locus)
An unstable power swing has been detected (outgoing locus)
Asserted when power swing is detected and de-asserted when a fault during
power swing occurs
Selector switch 1 is in Position Y (mutually exclusive operands)
First bit of the 3-bit word encoding position of selector 1
Second bit of the 3-bit word encoding position of selector 1
Third bit of the 3-bit word encoding position of selector 1
Position of selector 1 has been pre-selected with the stepping up control
input but not acknowledged
Position of selector 1 has been pre-selected with the 3-bit control input but
not acknowledged
Position of selector 1 has been pre-selected but not acknowledged
Position of selector switch 1 is undetermined or restored from memory when
the relay powers up and synchronizes to the three-bit input
Same set of operands as shown above for SELECTOR 1
Setting group 1 is active
Setting group 2 is active
Setting group 3 is active
Setting group 4 is active
Setting group 5 is active
Setting group 6 is active
Source 1 disturbance detector has operated
Source 2 disturbance detector has operated
Source 3 disturbance detector has operated
Source 4 disturbance detector has operated
Source 5 disturbance detector has operated
Source 6 disturbance detector has operated
Source 1 VT fuse failure detector has operated
Source 1 VT fuse failure detector has dropped out
Source 1 has lost voltage signals (V2 below 15% AND V1 below 5%
of nominal)
Same set of operands as shown for SRC1 VT FUSE FAIL
The summator 1 result is greater than the summator 1 pickup
The summator 2 result is greater than the summator 2 pickup
↓
The summator 6 result is greater than the summator 6 pickup
5.5 FLEXLOGIC™
5
5-103