JPS51137849A - A short circuit protecting means of the shunt self-excitation synchronous generator - Google Patents

A short circuit protecting means of the shunt self-excitation synchronous generator

Info

Publication number
JPS51137849A
JPS51137849A JP6100575A JP6100575A JPS51137849A JP S51137849 A JPS51137849 A JP S51137849A JP 6100575 A JP6100575 A JP 6100575A JP 6100575 A JP6100575 A JP 6100575A JP S51137849 A JPS51137849 A JP S51137849A
Authority
JP
Japan
Prior art keywords
short circuit
synchronous generator
protecting means
excitation synchronous
circuit protecting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP6100575A
Other languages
Japanese (ja)
Inventor
Toshie Monoe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP6100575A priority Critical patent/JPS51137849A/en
Publication of JPS51137849A publication Critical patent/JPS51137849A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: By detecting short-circuit by both the memotary over current relay and the undervoltage relay,. An over current relay is not returned, even if the decrease of the short-circuit current due to the shortage of self-excitation is appeared.
COPYRIGHT: (C)1976,JPO&Japio
JP6100575A 1975-05-23 1975-05-23 A short circuit protecting means of the shunt self-excitation synchronous generator Pending JPS51137849A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6100575A JPS51137849A (en) 1975-05-23 1975-05-23 A short circuit protecting means of the shunt self-excitation synchronous generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6100575A JPS51137849A (en) 1975-05-23 1975-05-23 A short circuit protecting means of the shunt self-excitation synchronous generator

Publications (1)

Publication Number Publication Date
JPS51137849A true JPS51137849A (en) 1976-11-29

Family

ID=13158789

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6100575A Pending JPS51137849A (en) 1975-05-23 1975-05-23 A short circuit protecting means of the shunt self-excitation synchronous generator

Country Status (1)

Country Link
JP (1) JPS51137849A (en)

Similar Documents

Publication Publication Date Title
JPS5230146A (en) Amplifier circuit
JPS51137849A (en) A short circuit protecting means of the shunt self-excitation synchronous generator
JPS52115323A (en) Inverter device
JPS51129643A (en) Load-current/phase-lack detecting circuit for three-phase circuit
JPS52154055A (en) Fault point locator
JPS54140111A (en) Control device of electric generator
JPS52136340A (en) Protective relay device
JPS5384138A (en) Over currenct protective circuit
JPS5248033A (en) Bus bar protection relay device
JPS5389951A (en) Trip circuit for breaker
JPS5219216A (en) Overcurrent limiting circuit
JPS528872A (en) Maximum demand electric power indicator
JPS5297144A (en) Overcurrent protection means
JPS5354724A (en) Exciter for generator
JPS5235818A (en) Staring circuit for three-phase ac motor
JPS52140818A (en) Voltage compensation starter for revolving electric machine
JPS5376340A (en) Abnormal current detecting for electrical lines
JPS5413947A (en) Trip confirming device for field circuit breaker
JPS5279612A (en) Phase signal generator
JPS5372152A (en) No-fuse circuit breaker
JPS5230032A (en) Surfing pool with rip current generator
JPS5365910A (en) Field controller for synchronous machine
JPS5355757A (en) Power line protection
JPS52151071A (en) Maximum value detecting apparatus of 3 phase a.c. electricity quantities
JPS5425448A (en) Protection of transformer