2-24
D30 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
SPECIFICATIONS
CHAPTER 2: PRODUCT DESCRIPTION
2
Timer accuracy:
±3% of operate time or ±1/4 cycle (whichever is greater)
95% settling time for df/dt:
<24 cycles
Operate time:
typically 9.5 cycles at 2
×
pickup
typically 8.5 cycles at 3
×
pickup
typically 6.5 cycles at 5
×
pickup
Typical times are average operate times including variables such as frequency change instance, test method, and so on, and can vary by
±0.5 cycles.
BREAKER ARCING CURRENT
Principle:
accumulates breaker duty (I
2
t) and measures fault duration
Initiation:
programmable per phase from any FlexLogic operand
Compensation for auxiliary relays:
0 to 65.535 s in steps of 0.001
Alarm threshold:
0 to 50000 kA
2
-cycle in steps of 1
Fault duration accuracy:
0.25 of a power cycle
Availability:
1 per CT bank with a minimum of 2
INCIPIENT CABLE FAULT DETECTION
Principle:
detection of ½ cycle or less overcurrent condition during normal load
Availability:
two per CT/VT module (not including 8Z modules)
Pickup level:
0.1 to 10.00 pu in steps of 0.01
Reset delay:
0.000 to 65.535 s in steps of 0.001
Operating mode:
number of counts, counts per time window
SYNCHROCHECK
Max voltage difference:
0 to 400000 V in steps of 1
Max angle difference:
0 to 100
°
in steps of 1
Max freq. difference:
0.00 to 2.00 Hz in steps of 0.01
Hysteresis for max. freq. diff.:
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)
S-CLS MAX dF:
0.10 to 2.00 Hz in steps of 0.01
S-CLS MIN dF:
0.00 to 1.00 Hz in steps of 0.01
V2 MAG CORR FACTOR:
0.10 to 10.00 in steps of 0.01
V2 ANGLE SHIFT:
-180
°
to +180
°
in steps of 1
°
AUTORECLOSURE
Single breaker applications, 3-pole tripping schemes
Up to four reclose attempts before lockout
Independent dead time setting before each shot
Possibility of changing protection settings after each shot with FlexLogic
POWER SWING DETECT
Functions:
Power swing block, out-of-step trip
Characteristic:
Mho or Quad
Measured impedance:
Positive-sequence
Blocking / tripping modes:
2-step or 3-step
Tripping mode:
Early or Delayed
Current supervision:
Pickup level:
0.050 to 30.000 pu in steps of 0.001
Dropout level:
97 to 98% of pickup
Fwd / reverse reach (sec.
Ω
):
0.10 to 500.00
Ω
in steps of 0.01
Left and right blinders (sec.
Ω
):
0.10 to 500.00
Ω
in steps of 0.01
Impedance accuracy:
±5%
Fwd / reverse angle impedances:
40 to 90° in steps of 1
Angle accuracy:
±2°
Characteristic limit angles:
40 to 140° in steps of 1
Timers:
0.000 to 65.535 s in steps of 0.001
Timer accuracy:
±3% of operate time or ±1/4 cycle (whichever is greater)
Содержание D30 series
Страница 10: ...x D30 LINE DISTANCE PROTECTION SYSTEM INSTRUCTION MANUAL TABLE OF CONTENTS ...
Страница 14: ...1 4 D30 LINE DISTANCE PROTECTION SYSTEM INSTRUCTION MANUAL FOR FURTHER ASSISTANCE CHAPTER 1 INTRODUCTION 1 ...
Страница 52: ...2 38 D30 LINE DISTANCE PROTECTION SYSTEM INSTRUCTION MANUAL SPECIFICATIONS CHAPTER 2 PRODUCT DESCRIPTION 2 ...
Страница 534: ...5 324 D30 LINE DISTANCE PROTECTION SYSTEM INSTRUCTION MANUAL TESTING CHAPTER 5 SETTINGS 5 ...
Страница 564: ...6 30 D30 LINE DISTANCE PROTECTION SYSTEM INSTRUCTION MANUAL PRODUCT INFORMATION CHAPTER 6 ACTUAL VALUES 6 ...
Страница 578: ...7 14 D30 LINE DISTANCE PROTECTION SYSTEM INSTRUCTION MANUAL TARGETS MENU CHAPTER 7 COMMANDS AND TARGETS 7 ...
Страница 614: ...9 26 D30 LINE DISTANCE PROTECTION SYSTEM INSTRUCTION MANUAL FAULT LOCATOR CHAPTER 9 THEORY OF OPERATION 9 ...
Страница 654: ...A 10 D30 LINE DISTANCE PROTECTION SYSTEM INSTRUCTION MANUAL FLEXANALOG ITEMS APPENDIX A FLEXANALOG OPERANDS A ...
Страница 662: ...C 6 D30 LINE DISTANCE PROTECTION SYSTEM INSTRUCTION MANUAL COMMAND LINE INTERFACE APPENDIX C COMMAND LINE INTERFACE C ...
Страница 670: ...iv D30 LINE DISTANCE PROTECTION SYSTEM INSTRUCTION MANUAL ABBREVIATIONS ...
Страница 686: ...xvi D30 LINE DISTANCE PROTECTION SYSTEM INSTRUCTION MANUAL INDEX ...