Equipment Manager - GE D90 Plus Instruction Manual
Line distance protection system
Hide thumbs
Also See for D90 Plus:
- Instruction manual (694 pages) ,
- Communications manual (222 pages) ,
- Instruction manual (602 pages)
Table of Contents
Advertisement
CHAPTER 2: PRODUCT DESCRIPTION
Equipment manager
PLUS
D90
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
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)
x
and duration
2
-cycle in steps of 1
SPECIFICATIONS
t), measures fault magnitude
37
Advertisement
Table of Contents
