CHAPTER 2: PRODUCT DESCRIPTION
SPECIFICATIONS
D30 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
2-21
2
PHASE/NEUTRAL/GROUND IOC
Pickup level:
0.020 to 30.000 pu in steps of 0.001
Dropout level:
97 to 98% of pickup
Level accuracy:
0.1 to 2.0
×
CT rating:
±0.5% of reading or ±0.4% of rated (whichever is greater)
> 2.0
×
CT rating:
±1.5% of reading
Overreach:
<2%
Pickup delay:
0.00 to 600.00 s in steps of 0.01
Reset delay:
0.00 to 600.00 s in steps of 0.01
Operate time:
<16 ms at 3
×
pickup at 60 Hz (Phase/Ground IOC)
<20 ms at 3
×
pickup at 60 Hz (Neutral IOC)
Timer accuracy:
±3% of operate time or ±1/4 cycle (whichever is greater)
NEGATIVE SEQUENCE TOC
Pickup level:
0.020 to 30.000 pu in steps of 0.001
Dropout level:
97% to 98% of pickup
Level accuracy:
±0.5% of reading or ±0.4% of rated (whichever is greater)
from 0.1 to 2.0 x CT rating
±1.5% of reading > 2.0 x CT rating
Curve shapes:
IEEE Moderately/Very/Extremely Inverse; IEC (and BS) A/B/C and Short Inverse; GE IAC Inverse,
Short/Very/ Extremely Inverse; I
2
t; FlexCurves™ (programmable); Definite Time (0.01 s base
curve)
Curve multiplier (Time dial):
0.00 to 600.00 in steps of 0.01
Reset type:
Instantaneous/Timed (per IEEE) and Linear
Curve timing accuracy
at 1.03 to 20 x pickup:
±3.5% of operate time or ±½ cycle (whichever is greater) from pickup to operate
NEGATIVE SEQUENCE IOC
Pickup level:
0.020 to 30.000 pu in steps of 0.001
Dropout level:
97 to 98% of pickup
Level accuracy:
0.1 to 2.0
×
CT rating: ±0.5% of reading or ±0.4% of rated (whichever is greater); >2.0
×
CT rating:
±1.5% of reading
Overreach:
<2%
Pickup delay:
0.00 to 600.00 s in steps of 0.01
Reset delay:
0.00 to 600.00 s in steps of 0.01
Operate time:
<20 ms at 3
×
pickup at 60 Hz
Timer accuracy:
±3% of operate time or ±1/4 cycle (whichever is greater)
PHASE DIRECTIONAL OVERCURRENT
Relay connection:
90
°
(quadrature)
Quadrature voltage:
ABC phase seq.: phase A (V
BC
), phase B (V
CA
), phase C (V
AB
); ACB phase seq.: phase A (V
CB
), phase
B (V
AC
), phase C (V
BA
)
Polarizing voltage threshold:
0.004 to 3.000 pu in steps of 0.001
Current sensitivity threshold:
0.05 pu
Characteristic angle:
0 to 359
°
in steps of 1
Angle accuracy:
±2°
Operation time (FlexLogic operands):
Tripping (reverse load, forward fault): <12 ms, typically
Blocking (forward load, reverse fault): <8 ms, typically
NEUTRAL DIRECTIONAL OVERCURRENT
Directionality:
Co-existing forward and reverse
Polarizing:
Voltage, Current, Dual, Dual-V, Dual-I
Polarizing voltage:
V_0 or VX
Polarizing current:
IG
Operating current:
I_0
Level sensing:
3
×
(|I_0| – K
×
|I_1|), IG
Restraint, K:
0.000 to 0.500 in steps of 0.001
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 ...