Equipment Manager - GE D90 Plus Instruction Manual
Line distance protection system
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Also See for D90 Plus:
- Instruction manual (694 pages) ,
- Communications manual (222 pages) ,
- Instruction manual (602 pages)
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SPECIFICATIONS
Equipment manager
30
AUTOMATION VIRTUAL OUTPUTS
Output points: ...................................................... 255
Programmability: ................................................ output of an automation logic equation or input to an
BREAKER CONTROL
Mode:........................................................................ single-pole, three-pole
Control: .................................................................... open/close, local/SCADA
Control seal-in:.....................................................0 to 2000 ms in steps of 1
BREAKER INTERLOCKING
Interlocking inputs: ............................................ 6
DISCONNECT CONTROL
Mode:........................................................................ single-pole, three-pole
Control: .................................................................... open/close, local/SCADA
Control seal-in:.....................................................0 to 2000 ms in steps of 1
DISCONNECT INTERLOCKING
Interlocking inputs: ............................................ 3
SELECTOR SWITCH
Upper position limit: .......................................... 1 to 7 in steps of 1
Selecting mode:................................................... time-out or acknowledge
Time-out timer:.................................................... 3.0 to 60.0 seconds in steps of 0.1
Control inputs:...................................................... step-up and three-bit
Power-up mode:.................................................. restore from non-volatile memory or synchronize to a three-
SYNCHROCHECK
Elements:................................................................ 2
Maximum voltage difference:....................... 0 to 100000 volts in steps of 1
Maximum angle difference:........................... 0 to 100° in steps of 1
Maximum frequency difference: ................. 0.00 to 2.00 Hz in steps of 0.01
Hysteresis for maximum frequency
difference:......................................................... 0.00 to 0.10 Hz in steps of 0.01
Dead source function:: ..................................... none, LV1 & DV2, DV1 & LV2, DV1 or DV2, DV1 xor DV2, DV1 &
BATTERY MONITOR
Principle: ................................................................. monitors battery voltage and auxiliary alarms
Hysteresis:.............................................................. 5%
Timing accuracy: ................................................ 1 cycle
BREAKER ARCING CURRENT
Elements:................................................................ 1 per breaker (to a maximum of 2)
Principle: ................................................................. accumulates contact wear (I
Auxiliary contact compensation: ................ 0 to 50 ms in steps of 1
Alarm threshold:.................................................. 0 to 50000 kA
Fault duration accuracy:................................. 0.25 of power cycle
automation logic equation
bit control input or synchronize/restore mode
DV2 (L = live, D = dead)
and duration
2
-cycle in steps of 1
PLUS
D90
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 2: PRODUCT DESCRIPTION
t), measures fault magnitude
x
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