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5-222
B30 BUS DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
GROUPED ELEMENTS
CHAPTER 5: SETTINGS
5
Figure 5-115: Inverse time undervoltage curves
At 0% of pickup, the operating time equals the
PHASE UNDERVOLTAGE DELAY
setting.
5.7.8.2 Phase undervoltage (ANSI 27P, IEC PTUV)
SETTINGS
GROUPED ELEMENTS
SETTING GROUP 1(6)
VOLTAGE ELEMENTS
PHASE UNDERVOLTAGE1(3)
Three undervoltage elements facilitate applications including undervoltage supervision of the main bus differential
protection to prevent maloperation in the event of CT trouble.
In this scheme, the normal voltage level halts the differential element. An actual bus fault operates the undervoltage
element, thereby permitting the differential element to operate. This can be applied for bus configurations of up to five
feeders with the voltage signal available. If applied, use the undervoltage function to supervise the main differential output
with an AND gate in the FlexLogic equation before driving the output contact.
PHASE
UNDERVOLTAGE1
PHASE UV1
FUNCTION: Disabled
Range: Disabled, Enabled
PHASE UV1 SIGNAL
SOURCE: SRC 1
Range: SRC 1, SRC 2, SRC 3, SRC 4, SRC 5, SRC 6
PHASE UV1 MODE:
Phase to Ground
Range: Phase to Ground, Phase to Phase
PHASE UV1
PICKUP: 1.000 pu
Range: 0.004 to 3.000 pu in steps of 0.001
PHASE UV1
CURVE: Definite Time
Range: Definite Time, Inverse Time
PHASE UV1
DELAY: 1.00 s
Range: 0.00 to 600.00 s in steps of 0.01
PHASE UV1 MINIMUM
VOLTAGE: 0.100 pu
Range: 0.000 to 3.000 pu in steps of 0.001
PHASE UV1 BLOCK:
Off
Range: FlexLogic operand
PHASE UV1
TARGET: Self-reset
Range: Self-reset, Latched, Disabled
PHASE UV1
EVENTS: Disabled
Range: Disabled, Enabled
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 ...