CN2619394Y - Three phase AC motor voltage and current synchronously correction power saver - Google Patents
Three phase AC motor voltage and current synchronously correction power saver Download PDFInfo
- Publication number
- CN2619394Y CN2619394Y CN 03241711 CN03241711U CN2619394Y CN 2619394 Y CN2619394 Y CN 2619394Y CN 03241711 CN03241711 CN 03241711 CN 03241711 U CN03241711 U CN 03241711U CN 2619394 Y CN2619394 Y CN 2619394Y
- Authority
- CN
- China
- Prior art keywords
- phase
- alternating current
- stator winding
- phase alternating
- current 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.)
- Expired - Fee Related
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- Control Of Ac Motors In General (AREA)
Abstract
A three-phase ac motor voltage-current synchronous correction electricity economizer, consists of a three-phase ac motor stator winding perceptual regulator comprising three capacitors connected as triangle, a transformer, a controlling switch linked at the input terminal of the transformer in series, a rectifier connected at the output terminal of the transformer and two dc relays connected at the output terminal of the rectifier, with simple structure, and low cost; the three input terminals of the three-phase ac motor stator winding perceptual regulator are connected to the three-phase ac input terminal of the three-phase ac motor parallel, the two dc relays are connected electrically after the controlling switch closing, therefore the three capacitors of the three-phase ac motor stator winding perceptual regulator respectively being bridge connection between two different input terminals of the three-phase ac motor three-phase stator winding, through improving the performance of the three-phase ac motor stator winding, rendering current phase of each phase to trend synchronously with voltage, reducing or even avoiding reactive power consumption; the utility model has advantages of electricity saving and reducing economic cost for users, with good performance, high stability, and strong adaptability.
Description
Technical field
The utility model relates to a kind of three phase alternating current motor battery saving arrangement, and particularly a kind of three phase alternating current motor is pressed, stream synchronous correction electricity-saving appliance.
Background technology
Three phase alternating current motors such as three-phase alternating current immersible pump, three-phase alternating-current motor are used very extensive in industrial and agricultural production, but owing to three-phase alternating current immersible pump, three-phase alternating-current motor etc. all are inductive loads, in the use, each phase current phase place is lagging voltage always, make the electric energy that consumes all to be converted into mechanical energy, power consumption that electricity consumption is idle exists, and this is not only a kind of waste to power resource, and increases user's financial burden.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of pressures of three phase alternating current motor such as three-phase alternating current immersible pump, three-phase alternating-current motor, stream synchronous correction device, be that a kind of three phase alternating current motor is pressed, stream synchronous correction electricity-saving appliance, to solve the problem of each phase current phase lag voltage of three phase alternating current motor, reduce, until eliminating the idle power consumption of three phase alternating current motor.
The technical scheme in the invention for solving the technical problem is: thisly can solve each phase current phase lag voltage problem of three phase alternating current motor, reduce, press, flow the synchronous correction electricity-saving appliance until the three phase alternating current motor of eliminating the idle power consumption of three phase alternating current motor, it comprises that three are the electric capacity (C that △ shape connects
1, C
2, C
3) constitute three-phase three phase alternating current motor stator winding perception adjuster, transformer B, the control switch K that is serially connected in transformer B input, be connected on the rectifier of transformer B output and be connected on two direct current relay (J of rectifier output end
1, J
2), the input serial connection direct current relay J of three-phase three phase alternating current motor stator winding perception adjuster
1Normally opened contact J
1-1, input serial connection direct current relay J
2Normally opened contact J
2-1, the transformer B input that is serially connected with control switch K is connected across between any two inputs of three-phase three phase alternating current motor stator winding perception adjuster.Such three phase alternating current motor is pressed, stream synchronous correction electricity-saving appliance, during use, is the electric capacity (C that △ shape connects with three
1, C
2, C
3) three inputs of the three-phase three phase alternating current motor stator winding perception adjuster that constitutes and the three-phase alternating current input of three phase alternating current motor D and connect closed three phase alternating current motor K switch
DAfter, three phase alternating current motor D normally starts, at this moment, each phase current phase lag voltage of three phase alternating current motor, three phase alternating current motor D has been operated in idle power consumption state; When closed three phase alternating current motor is pressed, behind the stream synchronous correction electricity-saving appliance control switch K, even by transformer B and be connected on the rectifier two direct current relay (J of transformer B output
1, J
2) must conduct, thereby with three phase alternating current motor press, three electric capacity (C of the three-phase three phase alternating current motor stator winding perception adjuster of stream synchronous correction electricity-saving appliance
1, C
2, C
3) be connected across respectively between two different inputs of three phase alternating current motor threephase stator winding, by improving three phase alternating current motor stator winding characteristic, make its each phase current phase place and voltage trend synchronously, reduce, until eliminating idle power consumption.
Above-mentioned direct current relay (J
1, J
2) preferably select solid-state relay for use.
This three phase alternating current motor provided by the utility model is pressed, stream synchronous correction electricity-saving appliance, simple in structure, cost is low, can improve the stator winding characteristic of three phase alternating current motor after the use well, make each phase current phase place of three phase alternating current motor and voltage trend synchronously, reduce, until eliminating idle power consumption, have economize on electricity and alleviate the advantage of user's financial burden, performance is good, the reliability height, and adaptability is strong.
Description of drawings
Electrical schematic diagram when Fig. 1 presses, flows the use of synchronous correction electricity-saving appliance for the three phase alternating current motor that the utility model embodiment is provided.
Embodiment
With reference to accompanying drawing, this three phase alternating current motor that the utility model embodiment is provided is pressed, stream synchronous correction electricity-saving appliance, and it comprises that three are the electric capacity (C that △ shape connects
1, C
2, C
3) constitute three-phase three phase alternating current motor stator winding perception adjuster, transformer B, the control switch K that is serially connected in transformer B input, be connected on the half-wave rectifier that constitutes by rectifier diode GB and filter capacitor C of transformer B output, the two dc solid-state relay (J that are serially connected in the half-wave rectifier output
1, J
2), the input serial connection dc solid-state relay J of three-phase three phase alternating current motor stator winding perception adjuster
1Normally opened contact J
1-1, input serial connection dc solid-state relay J
2Normally opened contact J
2-1, the transformer B input that is serially connected with control switch K is connected across three-phase three phase alternating current motor stator winding perception adjuster serial connection dc solid-state relay J
1Normally opened contact J
1-1With serial connection dc solid-state relay J
2Normally opened contact J
2-1Two inputs between.Among the figure, RD---fuse.
Claims (3)
1, a kind of three phase alternating current motor is pressed, flowed the synchronous correction electricity-saving appliance, it is characterized in that: it is to be the electric capacity (C that △ shape connects by three
1, C
2, C
3) constitute three-phase three phase alternating current motor stator winding perception adjuster, transformer (B), the control switch (K) that is serially connected in transformer (B) input, be connected on the rectifier of transformer (B) output and be connected on two direct current relay (J of rectifier output end
1, J
2) constitute, the input serial connection direct current relay (J of three-phase three phase alternating current motor stator winding perception adjuster
1) normally opened contact (J
1-1), input serial connection direct current relay (J
2) normally opened contact (J
2-1), transformer (B) input that is serially connected with control switch (K) is connected across between any two inputs of three-phase three phase alternating current motor stator winding perception adjuster.
2, three phase alternating current motor according to claim 1 is pressed, flowed the synchronous correction electricity-saving appliance, it is characterized in that: its rectifier is the half-wave rectifier that is made of rectifier diode (GB) and filter capacitor (C).
3, three phase alternating current motor according to claim 1 and 2 is pressed, is flowed the synchronous correction electricity-saving appliance, it is characterized in that: its direct current relay (J
1, J
2) what select for use is solid-state relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03241711 CN2619394Y (en) | 2003-03-13 | 2003-03-13 | Three phase AC motor voltage and current synchronously correction power saver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03241711 CN2619394Y (en) | 2003-03-13 | 2003-03-13 | Three phase AC motor voltage and current synchronously correction power saver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2619394Y true CN2619394Y (en) | 2004-06-02 |
Family
ID=34250394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03241711 Expired - Fee Related CN2619394Y (en) | 2003-03-13 | 2003-03-13 | Three phase AC motor voltage and current synchronously correction power saver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2619394Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105141148A (en) * | 2015-08-13 | 2015-12-09 | 崔得江 | Adjustable power change switch |
| CN110460288A (en) * | 2019-08-05 | 2019-11-15 | 广东美的制冷设备有限公司 | Alternative-current fan control circuit and equipment based on three-phase uncontrollable rectifier |
-
2003
- 2003-03-13 CN CN 03241711 patent/CN2619394Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105141148A (en) * | 2015-08-13 | 2015-12-09 | 崔得江 | Adjustable power change switch |
| CN110460288A (en) * | 2019-08-05 | 2019-11-15 | 广东美的制冷设备有限公司 | Alternative-current fan control circuit and equipment based on three-phase uncontrollable rectifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |