GEK-113032A W650 Wind Generator Protection System 2-15
2 PRODUCT DESCRIPTION 2.4 TECHNICAL SPECIFICATIONS
2
2.4.2.4 BREAKER SETTINGS
2.4.2.5 BREAKER MAINTENANCE
2.4.2.6 SWITCHGEAR
2.4.3 MONITORING
2.4.3.1 OSCILLOGRAPHY
Level Accuracy
±0.5% of the reading ± 10 mA from 0.05 to 10 A
±1.5% of the reading for higher values.
Timing accuracy ±3.5% of operate time or 30 ms. (whichever is greater)
Snapshot Events Selectable by setting
Number of Switchgear 1 to 16 (selection of switchgear for breaker control)
Maximum KI
2
t 0.00 to 9999.99 in steps of 0.01 (kA)
2
s
KI
2
t integration Time
0.03 to 0.25 s in steps of 0.01 s
Maximum openings 0 to 9999 in steps of 1
Maximum Openings in one hour 1 to 60 in steps of 1
Snapshot Events Selectable by setting
KI
2
t Breaker Counters for Phases A, B, C 0.00 to 9999.99 in steps of 0.01 (kA)
2
s
Breaker Openings Counter 0 to 9999 in steps of 1
Breaker Closings Counter 0 to 9999 in steps of 1
Switchgear 1 to16 (configurable in “relay configuration” screen).
Snapshot Events Selectable by setting (for each switchgear in “system
setup”)
Maximum Records: Up to 20 Oscillography records.
Sampling rate: Programmable to 4, 8, 16, 32 or 64 samples per power cycle
Capacity per record:
27592 samples
No of Oscillos * No of samples/cycle
Trigger position:
5% to 95% of total length
Trigger: Programmable via PLC
Data: 5 current channels and 4 voltage channels
Up to 16 digital channels programmable through PLC
Data Storage: In non volatile memory (flash) without battery
Format: International Standard COMTRADE ASCII - IEEE C37.111-1999.
Automatic Overwrite: Selectable by setting. (Oscillography records can be concatenated)
Snapshot Events: Selectable by setting
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