GE Multilin G60 Generator Protection System 3-41
3 HARDWARE 3.4 FIELD AND STATOR GROUND MODULES
3
3.4FIELD AND STATOR GROUND MODULES 3.4.1 OVERVIEW
The field ground protection modules are used in the following protection sytems.
• Field low voltage protection system (order code GPM-F-L) for voltages up to 600 V DC.
• Field high voltage protection system (order code GPM-F-H) for voltages greater than 600 V DC.
• Stator protection system (order code GPM-S).
These systems are illustrated below for comparative purposes in the following figure.
Figure 3–47: GENERATOR GROUND PROTECTION COMPONENTS
*306*6WDWRUJURXQG+]JHQHUDWRUPRGXOH
*306%6WDWRUJURXQGEDQGSDVVILOWHUPRGXOH
*30)5)LHOGJURXQGSURWHFWLRQKLJKYROWDJHUHVLVWRUER[
*30)/)LHOGJURXQGORZYROWDJHSURWHFWLRQPRGXOH
$&'5
*30)+0)LHOGJURXQGKLJKYROWDJHSURWHFWLRQPRGXOH
*30)/
)LHOGJURXQG
ORZYROWDJH
SURWHFWLRQV\VWHP
*30)+
)LHOGJURXQG
KLJKYROWDJH
SURWHFWLRQV\VWHP
*306
6WDWRUJURXQG
SURWHFWLRQV\VWHP
6'6WDWRUJURXQGSURWHFWLRQ&7