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LPS-D Line Protection System
GE Power Management
3.3 PRINTED CIRCUIT BOARD MODULES
3 HARDWARE DESCRIPTION
3
3.3.6 MAGNETICS MODULE
The magnetics module (MGM) contains the input current transformers and voltage transformers. The MGM
also contains an EEPROM with factory-stored LPS-D model information (DC voltage rating, AC current rating)
and gain-calibration information for the analog channels
The relay driver logic located on the output board contains the alarm, BFI, RI, RC, breaker close, key transmit-
ter, and phase A tripping contacts (or SCRs). Figure 3–7 is a block diagram of the magnetics module and the
relay driver.
Figure 3–6: BLOCK DIAGRAM OF THE MAGNETICS MODULE
CURRENT
TRANSFORMER
CURRENT
TRANSFORMER
CURRENT
TRANSFORMER
POTENTIAL
TRANSFORMER
POTENTIAL
TRANSFORMER
POTENTIAL
TRANSFORMER
(** Optional)
POTENTIAL
TRANSFORMER
SERIAL
EEPROM
TERMINAL BLOCK
DSP / ANI CONNECTOR
(FACTORY PROGRAMMED VALUES -
NOT FIELD SERVICEABLE)
Содержание LPS-D
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Страница 164: ...3 14 LPS D Line Protection System GE Power Management 3 3 PRINTED CIRCUIT BOARD MODULES 3 HARDWARE DESCRIPTION 3 ...
Страница 226: ...7 4 LPS D Line Protection System GE Power Management 7 1 RATINGS 7 SPECIFICATIONS 7 ...
Страница 284: ...10 20 LPS D Line Protection System GE Power Management 10 8 HELP MENU 10 ALPS TEST PROGRAM 10 ...
Страница 334: ...A 4 LPS D Line Protection System GE Power Management A 1 FREQUENTLY ASKED QUESTIONS APPENDIXA A ...
Страница 412: ...C 34 LPS D Line Protection System GE Power Management C 3 POINT LISTS APPENDIXC C ...
Страница 416: ...D 4 LPS D Line Protection System GE Power Management D 1 KEYPAD MENUS APPENDIXD D ...
Страница 422: ...F 2 LPS D Line Protection System GE Power Management F 1 WARRANTY INFORMATION APPENDIXF F ...
Страница 435: ...GE Power Management LPS D Line Protection System xiii INDEX INDEX tests 6 11 ZONE TIMER functional tests 5 10 ...
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