JPS6093449U - Inrush current prevention circuit - Google Patents
Inrush current prevention circuitInfo
- Publication number
- JPS6093449U JPS6093449U JP18358183U JP18358183U JPS6093449U JP S6093449 U JPS6093449 U JP S6093449U JP 18358183 U JP18358183 U JP 18358183U JP 18358183 U JP18358183 U JP 18358183U JP S6093449 U JPS6093449 U JP S6093449U
- Authority
- JP
- Japan
- Prior art keywords
- current prevention
- circuit
- prevention circuit
- inrush current
- switching element
- 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
- Emergency Protection Circuit Devices (AREA)
- Rectifiers (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のインバータを搭載した空気調和機の冷媒
圧縮機駆動用電動機の駆動回路図、第２図は本考案の一
実施例である突入電流防止回路を備えた冷媒圧縮機駆動
用電動機の駆動回路図である。
１・・・交流電源、２・・・運転スイッチ、５・・・整
流回路、１１・・・リレーコイル、１２．１３・・・リ
レー接点、１４・・・抵抗、１５・・・接触器コイル、
１６・・・接触器接点。Figure 1 is a drive circuit diagram of an electric motor for driving a refrigerant compressor of an air conditioner equipped with a conventional inverter, and Figure 2 is an electric motor for driving a refrigerant compressor equipped with an inrush current prevention circuit, which is an embodiment of the present invention. FIG. 1... AC power supply, 2... Operation switch, 5... Rectifier circuit, 11... Relay coil, 12.13... Relay contact, 14... Resistor, 15... Contactor coil ,
16... Contactor contact.
Claims (1)
交流を整流回路に入力し、直流電源を得るように構成さ
れた直流電源回路において、前記運転開始信号により上
記スイッチング素子が閉成する前に導通される抵抗回路
を前記整流回路に直列に接続すると共に、該抵抗回路に
通電された後に当該抵抗回路を遮断する手段を設けたこ
とを特徴とする突入電流防止回路。In a DC power supply circuit configured to input AC to a rectifier circuit to obtain DC power through a switching element that is closed in response to a start-of-operation signal, the switching element is turned on before the switching element is closed in response to the start-of-operation signal. A rush current prevention circuit comprising: a resistor circuit connected in series with the rectifier circuit; and means for cutting off the resistor circuit after the resistor circuit is energized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18358183U JPS6093449U (en) | 1983-11-28 | 1983-11-28 | Inrush current prevention circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18358183U JPS6093449U (en) | 1983-11-28 | 1983-11-28 | Inrush current prevention circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6093449U true JPS6093449U (en) | 1985-06-26 |
Family
ID=30397276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18358183U Pending JPS6093449U (en) | 1983-11-28 | 1983-11-28 | Inrush current prevention circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6093449U (en) |
-
1983
- 1983-11-28 JP JP18358183U patent/JPS6093449U/en active Pending
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