CHAPTER 2: PRODUCT DESCRIPTION
SPECIFICATIONS
B30 BUS DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
2-25
2
1-second rate:
01 channel for NN days
16 channels for NN days
↓
60-minute rate:
01 channel for NN days
16 channels for NN days
2.5.4 Metering
RMS CURRENT: PHASE, NEUTRAL, AND GROUND
Accuracy at
0.1 to 2.0
×
CT rating:
±0.25% of reading or ±0.1% of rated (whichever is greater)
>
2.0
×
CT rating:
±1.0% of reading
RMS VOLTAGE
Accuracy:
±0.5% of reading from 10 to 208 V
REAL POWER (WATTS)
Accuracy at 0.1 to 1.5 x CT rating and 0.8 to 1.2 x VT rating:
±1.0% of reading at –1.0
≤
PF < –0.8 and 0.8 < PF
≤
10
REACTIVE POWER (VARS)
Accuracy at 0.1 to 1.5 x CT rating and 0.8 to 1.2 x VT rating:
±1.0% of reading at –0.2
≤
PF
≤
0.2
APPARENT POWER (VA)
Accuracy at 0.1 to 1.5 x CT rating and 0.8 to 1.2 x VT rating:
±1.0% of reading
WATT-HOURS (POSITIVE AND NEGATIVE)
Accuracy:
±2.0% of reading
Range:
±0 to 1
×
10
6
MWh
Parameters:
three-phase only
Update rate:
50 ms
VAR-HOURS (POSITIVE AND NEGATIVE)
Accuracy:
±2.0% of reading
Range:
±0 to 1
×
10
6
Mvarh
Parameters:
three-phase only
Update rate:
50 ms
FREQUENCY
Accuracy at
V = 0.8 to 1.2 pu:
±0.001 Hz (when voltage signal is used for frequency measurement)
I = 0.1 to 0.25 pu:
±0.005 Hz
I > 0.25 pu:
±0.02 Hz (when current signal is used for frequency measurement)
DEMAND
Measurements:
Phases A, B, and C present and maximum measured currents
3-Phase Power (P, Q, and S) present and maximum measured currents
Accuracy:
±2.0%
Содержание b30
Страница 10: ...x B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL TABLE OF CONTENTS ...
Страница 14: ...1 4 B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL FOR FURTHER ASSISTANCE CHAPTER 1 INTRODUCTION 1 ...
Страница 50: ...2 36 B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL SPECIFICATIONS CHAPTER 2 PRODUCT DESCRIPTION 2 ...
Страница 208: ...4 86 B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL FLEXLOGIC DESIGN USING ENGINEER CHAPTER 4 INTERFACES 4 ...
Страница 441: ...CHAPTER 5 SETTINGS CONTROL ELEMENTS B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL 5 233 5 Figure 5 123 Time out mode ...
Страница 486: ...5 278 B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL TESTING CHAPTER 5 SETTINGS 5 ...
Страница 514: ...6 28 B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL PRODUCT INFORMATION CHAPTER 6 ACTUAL VALUES 6 ...
Страница 528: ...7 14 B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL TARGETS MENU CHAPTER 7 COMMANDS AND TARGETS 7 ...
Страница 554: ...9 14 B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL OUTPUT LOGIC AND EXAMPLES CHAPTER 9 THEORY OF OPERATION 9 ...
Страница 600: ...A 16 B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL FLEXANALOG ITEMS APPENDIX A FLEXANALOG OPERANDS A ...
Страница 608: ...C 6 B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL COMMAND LINE INTERFACE APPENDIX C COMMAND LINE INTERFACE C ...
Страница 616: ...iv B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL ABBREVIATIONS ...
Страница 632: ...xvi B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL INDEX ...