GE Multilin F650, Инструкция по эксплуатации, Страница: 46 / 1046

2-10 F650 DIGITAL BAY CONTROLLER GEK-106310-AF
2.5 TECHNICAL SPECIFICATIONS CHAPTER 2: PRODUCT DESCRIPTION
SENSITIVE GROUND TIME OVERCURRENT (51SG)
Current Input: .............................................................................phasor (without harmonics) or RMS
Rated Current:............................................................................for connection to 1 or 5 A CTs
Pickup Level: ...............................................................................0.005 to 16.000 A in steps of 0.001 A
Dropout Level:............................................................................97% to 98% of the pickup level
Level Accuracy: .........................................................................values at nominal frequency:
±1.5% of the reading ± 1 mA from 0.005 to 16.000 A
Curve Shape: ..............................................................................IEEE extremely/very/moderately inverse
IEC A/B/C/long-time inverse/short time inverse curve
IAC extremely/very/moderately inverse
ANSI extremely/very/normally/moderately inverse
I
2
t
Definite time
Rectifier curve
FlexCurve
TM
A/B/C/D user curve
Curve Multiplier (Time Dial):.................................................0.00 to 900.00 s in steps of 0.01 s
Reset Type: ..................................................................................instantaneous or time delayed, according to IEEE
Timing Accuracy: .....................................................................Operate at > 1.03 times the pickup ±3% of operate time or 50 ms
(whichever is greater)
Saturation Level:.......................................................................48 times the pickup level
Snapshot Events: ......................................................................selectable by setting
PHASE AND GROUND INSTANTANEOUS OVERCURRENT (50PH/50PL/50G)
Current Input: .............................................................................phasor (without harmonics) or RMS
Rated Current:............................................................................for connection to 1 or 5 A CTs
Pickup Level: ...............................................................................0.05 to 160.00 A in steps of 0.01 A
Dropout Level:............................................................................97% to 98% of the pickup level
Level Accuracy: .........................................................................values at nominal frequency:
±0.5% of the reading ± 10 mA from 0.05 to 10.00 A
±1.5% of the reading for higher values
Overreach: ...................................................................................< 2%
Trip Delay:....................................................................................0.00 to 900.00 s in steps of 0.01 s
Reset Delay: ................................................................................0.00 to 900.00 s in steps of 0.01 s
Operate Time: ............................................................................< 50 ms at 3 x pickup at 50 Hz, typically
Timing Accuracy: .....................................................................at 0 ms time delay (no intentional delay): 50 ms
at non-zero time delay: ±3% of operate time or 50 ms
(whichever is greater)
Snapshot Events: ......................................................................selectable by setting
NEUTRAL INSTANTANEOUS OVERCURRENT (50N)
Current Input: .............................................................................fundamental phasor (without harmonics)
Pickup Level: ...............................................................................0.05 to 160.00 A in steps of 0.01 A
Dropout Level:............................................................................97% to 98% of the pickup level
Level Accuracy: .........................................................................values at nominal frequency:
±0.5% of the reading ± 10 mA from 0.05 to 10.00 A
±1.5% of the reading for higher values
Overreach: ...................................................................................< 2%
Trip Delay:....................................................................................0.00 to 900.00 s in steps of 0.01 s
Reset Delay: ................................................................................0.00 to 900.00 s in steps of 0.01 s
Operate Time: ............................................................................< 50 ms at 3 x pickup at 50 Hz, typically
Timing Accuracy: .....................................................................at 0 ms time delay (no intentional delay): 50 ms
at non-zero time delay: ±3% of operate time or 50 ms
(whichever is greater)
Snapshot Events: ......................................................................selectable by setting