JPS52122846A - Emergency power supply equipment - Google Patents
Emergency power supply equipmentInfo
- 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
Links
Landscapes
- Stand-By Power Supply Arrangements (AREA)
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
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)
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 |
-
1976
- 1976-04-09 JP JP3922476A patent/JPS52122846A/en active Pending
Cited By (1)
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5292321A (en) | Power supply circuit | |
JPS5342312A (en) | Motor | |
JPS538731A (en) | Control device of inverter | |
JPS52122846A (en) | Emergency power supply equipment | |
JPS5425415A (en) | Inverter controller | |
JPS5324531A (en) | Frequency converter | |
JPS53810A (en) | Controller for commutatorless motor | |
JPS52149743A (en) | Elevator starting control device | |
JPS5360675A (en) | Converter for power and dc signal | |
JPS523115A (en) | Power source device | |
JPS534840A (en) | Constant voltage circuit | |
JPS5385341A (en) | Inverter control circuit | |
JPS53107632A (en) | Operating dc power transmission system | |
JPS548832A (en) | Constant voltage constant frequency power unit | |
JPS52140826A (en) | Method of controlling frequency converter | |
JPS53139160A (en) | Equipment operation interrupter | |
JPS53145014A (en) | Motor drive inverter control system | |
JPS5254301A (en) | Power supplying method | |
JPS543217A (en) | Ac motor starting | |
JPS52139940A (en) | Constant voltage power source device | |
JPS5214855A (en) | Ac load start regulating device | |
JPS5350418A (en) | Starting system for motor | |
JPS53100420A (en) | Thyristor motor control device | |
JPS5329642A (en) | Sinusoidal current generating circuit | |
JPS5271660A (en) | Constant output dc power supplying device |