JPS52122846A - Emergency power supply equipment - Google Patents

Emergency power supply equipment

Info

Publication number
JPS52122846A
JPS52122846A JP3922476A JP3922476A JPS52122846A JP S52122846 A JPS52122846 A JP S52122846A JP 3922476 A JP3922476 A JP 3922476A JP 3922476 A JP3922476 A JP 3922476A JP S52122846 A JPS52122846 A JP S52122846A
Authority
JP
Japan
Prior art keywords
power supply
emergency power
supply equipment
frequency
voltage
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
JP3922476A
Other languages
Japanese (ja)
Inventor
Hiroyuki Soejima
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 JP3922476A priority Critical patent/JPS52122846A/en
Publication of JPS52122846A publication Critical patent/JPS52122846A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To decrease the frequency lowering and current breakdown at the time of a load input by installing an emergency generating equipment whereby voltage and frequency can be simultaneously changed and performing the low voltage frequency start of a normal squirrel-cage induction motor.
COPYRIGHT: (C)1977,JPO&Japio
JP3922476A 1976-04-09 1976-04-09 Emergency power supply equipment Pending JPS52122846A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3922476A JPS52122846A (en) 1976-04-09 1976-04-09 Emergency power supply equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3922476A JPS52122846A (en) 1976-04-09 1976-04-09 Emergency power supply equipment

Publications (1)

Publication Number Publication Date
JPS52122846A true JPS52122846A (en) 1977-10-15

Family

ID=12547146

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3922476A Pending JPS52122846A (en) 1976-04-09 1976-04-09 Emergency power supply equipment

Country Status (1)

Country Link
JP (1) JPS52122846A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5895948A (en) * 1981-12-03 1983-06-07 株式会社日立製作所 Method of controlling start of emergency diesel generating facility

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5895948A (en) * 1981-12-03 1983-06-07 株式会社日立製作所 Method of controlling start of emergency diesel generating facility

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