JPH03117400U - - Google Patents
Info
- Publication number
- JPH03117400U JPH03117400U JP1990025609U JP2560990U JPH03117400U JP H03117400 U JPH03117400 U JP H03117400U JP 1990025609 U JP1990025609 U JP 1990025609U JP 2560990 U JP2560990 U JP 2560990U JP H03117400 U JPH03117400 U JP H03117400U
- Authority
- JP
- Japan
- Prior art keywords
- phase
- capacitor
- relay
- power source
- induction motor
- 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
- 238000004804 winding Methods 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Ac Motors In General (AREA)
Description
第１図は、この考案の一実施例による単相誘導
電動機の運転装置を示す接続図、第２図は従来の
単相誘導電動機の運転装置を示す接続図、第３図
は従来の回路での瞬停復電時の電圧と電動機トル
クを示す図である。
１……単相誘導電動機、２……電動機の一次巻
線のうちの第１相巻線、３……同じく第２相巻線
、４……コンデンサ、７……架線、８……リレー
、９……そのａ接点である。なお、図中、同一符
号は同一または相当部分を示す。
Fig. 1 is a connection diagram showing a single-phase induction motor operating device according to an embodiment of this invention, Fig. 2 is a connection diagram showing a conventional single-phase induction motor operating device, and Fig. 3 is a conventional circuit. FIG. 3 is a diagram showing the voltage and motor torque when the power is restored from an instantaneous power failure. 1...Single-phase induction motor, 2...First phase winding of the primary winding of the motor, 3...Same second phase winding, 4...Capacitor, 7...Overhead wire, 8...Relay, 9...This is the a contact point. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
及び第２相巻線、この第２相巻線と直列に接続さ
れたコンデンサ、上記単相交流電源の電圧が所定
値以下に低下したとき動作するリレー、このリレ
ーの動作に応じて上記単相交流電源から上記コン
デンサを開路する接点を備えたコンデンサ形単相
誘導電動機の運転装置。 When the voltage of the first and second phase windings connected to a single-phase AC power source, the capacitor connected in series with this second phase winding, and the single-phase AC power source drops below a predetermined value. An operating device for a capacitor-type single-phase induction motor, comprising a relay that operates, and a contact that opens the capacitor from the single-phase AC power supply in accordance with the operation of the relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990025609U JPH03117400U (en) | 1990-03-12 | 1990-03-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990025609U JPH03117400U (en) | 1990-03-12 | 1990-03-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03117400U true JPH03117400U (en) | 1991-12-04 |
Family
ID=31528541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990025609U Pending JPH03117400U (en) | 1990-03-12 | 1990-03-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03117400U (en) |
-
1990
- 1990-03-12 JP JP1990025609U patent/JPH03117400U/ja active Pending
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