30 D90
PLUS
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
SPECIFICATIONS CHAPTER 2: PRODUCT DESCRIPTION
AUTOMATION VIRTUAL OUTPUTS
Output points: ......................................................255
Programmability: ................................................output of an automation logic equation or input to an
automation logic equation
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-
bit control input or synchronize/restore mode
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 &
DV2 (L = live, D = dead)
Equipment manager
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
x
t), measures fault magnitude
and duration
Auxiliary contact compensation: ................0 to 50 ms in steps of 1
Alarm threshold:..................................................0 to 50000 kA
2
-cycle in steps of 1
Fault duration accuracy:.................................0.25 of power cycle
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