CN105958843A - General power regulator for three-phase machine - Google Patents
General power regulator for three-phase machine Download PDFInfo
- Publication number
- CN105958843A CN105958843A CN201610555425.8A CN201610555425A CN105958843A CN 105958843 A CN105958843 A CN 105958843A CN 201610555425 A CN201610555425 A CN 201610555425A CN 105958843 A CN105958843 A CN 105958843A
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- CN
- China
- Prior art keywords
- circuit
- phase
- power supply
- diode
- power
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- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from ac input or output
Abstract
The invention provides a general power regulator for a three-phase machine. The general power regulator comprises three power regulation modules respectively connected to wiring terminals of a phase A, a phase B and a phase C of alternating current used by the three-phase machine, wherein the power regulation modules have the same structure; each power regulation module comprises a TOPSwitch-II TOP series three-terminal power chip and a peripheral circuit thereof; the peripheral circuit comprises a fifth diode, an input rectifier and filter circuit connected to a drain end of the three-terminal power chip, an oscillating circuit connected to a source end of the three-terminal power chip and an adjustable feedback circuit and an output transformer circuit which are connected to a control input end of the three-terminal power chip. According to the general power regulator, the alternating current of 380 V used by the three-phase machine can be transformed into the adjustable alternating current of about 300-600 V to output, the transformation efficiency reaches up to more than 95%, and the general power regulator has the advantages of large output power range, low cost, high integration degree and simple circuit design and is generally used for power regulation of the three-phase machine. The energy consumption of the three-phase machine is reduced to realize a purpose of saving the energy.
Description
Technical field
The present invention relates to universal power conditioner technical field, particularly to a kind of three phase electric machine universal power conditioner.
Background technology
In existing industrial equipment, still having a large amount of old-fashioned motor to be on active service, power consumption efficiency is low, and energy consumption is high, the most unfavorable to environmental conservation.Along with the deep implementation of the policy of China's energy-saving and emission-reduction, how to improve the power consumption efficiency of motor, reduce power consumption, reduce production cost, meet the policy that national energy-saving reduces discharging, be considerable.
Summary of the invention
For solving the problems referred to above, the invention provides a kind of three phase electric machine universal power conditioner, described power governor include three respectively with the A phase of three-phase alternating current, B phase, the power conditioning module that C phase connection terminal connects, the structure of each power conditioning module is identical, for: it is made up of TOPSwitch-II TOP series three end power supply chips and peripheral circuit thereof, described peripheral circuit includes the 5th diode, it is connected to the input rectifying filter circuit of three end power supply chip drain electrode ends, it is connected to the oscillating circuit of three end power supply chip source terminals, it is connected to three end power supply chips and controls the adjustable feedback circuit of input, output transforming circuit.
Described input rectifying filter circuit input is connected to the A phase of three-phase alternating current or B phase or C phase connection terminal.
Described oscillating circuit is for having tapped inductance, and described inductance one end is connected to three end power supply chips, and the other end is then connected to export transforming circuit, and tap is connected to adjustable feedback circuit.
Described adjustable feedback circuit includes audion, is connected with transistor collector and the potentiometer of belt switch, the first resistance, the second resistance, the 3rd resistance, the 3rd electrochemical capacitor, the second filter capacitor, the 6th diode；Wherein, the emitter stage of described audion connects controlling input and being connected to the contact of three end power supply chip source terminals and inductance after being sequentially connected with the 3rd electrochemical capacitor, the first resistance of three end power supply chips；With the second filter capacitor composition parallel circuit after Zener diode and the second resistant series, one end of this parallel circuit connects the 6th diode, and it is connected to potentiometer after connecting the 3rd resistance, the other end is then connected to the contact of three end power supply chip source terminals and inductance, and one end that the 6th diode is not connected with parallel circuit is connected to inductance tap；The base stage of audion is connected to Zener diode and the contact of the second resistance.
One end of described 5th resistance is connected to the contact of three end power supply chip source terminals and inductance, and the other end is connected to input rectifying filter circuit and the contact of output transforming circuit.
The outfan of described three power conditioning modules is altogether.
Further, described input rectifying filter circuit includes rectifier circuit and is connected in parallel on the first electric capacity of rectification bridge output end, and described rectifier circuit is made up of four diodes.
Further, four diodes constituting rectifier circuit are commutation diode.
Further, four diodes constituting rectifier circuit are thyristor diode.
Further, output transforming circuit is the coil circuit of 1 to 1, and three coils are altogether.
The operation principle of the present invention is:
The A phase of the 380V alternating current power supply of three phase electric machine, B phase, C phase electricity are connected respectively in an input rectifying filter circuit, user can pass through adjusted in concert each potentiometer WR1, regulate the dutycycle of three end power supply chip outputs, thus regulate the voltage of output transforming circuit coil one end, and then the alternating current of 380V is converted into the alternating current output of adjustable about 300-600V, conversion efficiency is up to more than 95%, and there is the advantages such as output power range is big, low cost, integration degree are high, circuit design is simple, it is adaptable to the power adjustments of 380V three phase electric machine.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the present invention.
Detailed description of the invention
The present invention is applicable to the alternating current of the three-phase 380V by three phase electric machine use and is converted into unidirectional current output.As it is shown in figure 1, include the power conditioning module that three structures are identical.The A phase of 380V alternating current, B phase, C phase connection terminal are all connected with a power conditioning module.Below power conditioning module is introduced.
Described power conditioning module is made up of TOPSwitch-II TOP series three end power supply chip IC and peripheral circuit thereof.Described peripheral circuit includes the 5th diode D5, the input rectifying filter circuit 1 being connected to three end power supply chip IC drain electrode ends, is connected to the oscillating circuit 3 of three end power supply chip IC source terminals, is connected to three end power supply chip IC and controls the adjustable feedback circuit 2 of inputs, and the outfan of described oscillating circuit 3 connects output transforming circuit.Below each circuit is described in detail.
TOPSwitch-II TOP is the integrated company of U.S.'s power (PowerIntegrationInc, it is called for short PI Corp.) release three end single-chip power supply series, concrete model has TOP221Y, TOP222Y, TOP223Y, TOP224Y, TOP225Y, TOP226Y and TOP227Y, here X is chip model 17, and Y is the dress envelope form of chip.
The input of described input rectifying filter circuit 1 is connected to the A phase of 380V alternating current or B phase or C phase connection terminal.This circuit can be the most common rectification filtering module.In the present invention, described input rectifying filter circuit 1 includes rectifier circuit and is connected in parallel on the first electric capacity C1 of rectification bridge output end, and described rectifier circuit have employed and is made up of four diodes (D1-D4), and structure is the compactest.Described diode can be common commutation diode or thyristor diode, preferably thyristor diode.Power amplification multiple is big, reaction is fast, efficiency is high, the advantage of low cost to use thyristor diode to have.
Described oscillating circuit 3 is for having tapped inductance L1, and described inductance L1 one end is connected to three end power supply chip IC, and the other end is then connected to export transforming circuit, and tap is connected to adjustable feedback circuit.
Described adjustable feedback circuit 2 includes audion Q, is connected with audion Q colelctor electrode and the potentiometer WR1 of belt switch, the first resistance R1, the second resistance R2, the 3rd resistance R3, the 3rd electrochemical capacitor C3, the second filter capacitor C2, the 6th diode D6.The emitter stage of described audion Q connects controlling input and being connected to the contact of three end power supply chip IC source terminals and inductance L1 after being sequentially connected with the 3rd electrochemical capacitor C3, the first resistance R1 of three end power supply chip IC.Parallel circuit is formed with the second filter capacitor C2 after Zener diode ZD1 and the second resistance R2 series connection, one end of this parallel circuit connects the 6th diode D6, and it is connected to potentiometer WR1 after connecting the 3rd resistance R3, the other end is then connected to the contact of three end power supply chip IC source terminals and inductance L1, and one end that the 6th diode D6 is not connected with parallel circuit is connected to inductance L1 tap；The base stage of audion Q is connected to Zener diode ZD1 and the contact of the second resistance R2；
One end of described 5th resistance R5 is connected to the contact of three end power supply chip IC source terminals and inductance L1, and the other end is connected to input rectifying filter circuit 2 and the contact of output transforming circuit.
The outfan of described three power conditioning modules is altogether.Output transforming circuit is the coil circuit of 1 to 1, three coil common ground connections.
Claims (5)
1. a three phase electric machine universal power conditioner, it is characterized in that, described universal power conditioner include three respectively with the A phase of three-phase alternating current, B phase, the power conditioning module that C phase connection terminal connects, the structure of each power conditioning module is identical, for: it is made up of TOPSwitch-II TOP series of power chip and peripheral circuit thereof, described peripheral circuit includes the 5th diode, it is connected to the input rectifying filter circuit of three end power supply chip drain electrode ends, it is connected to the oscillating circuit of three end power supply chip source terminals, it is connected to power supply chip and controls the adjustable feedback circuit of input, output transforming circuit；
Described input rectifying filter circuit input is connected to the A phase of three-phase alternating current or B phase or C phase connection terminal；
Described oscillating circuit is for having tapped inductance, and described inductance one end is connected to three end power supply chips, and the other end is then connected to export transforming circuit, and tap is connected to adjustable feedback circuit；
Described adjustable feedback circuit includes audion, the potentiometer being connected with transistor collector, the first resistance, the second resistance, the 3rd resistance, the 3rd electrochemical capacitor, the second filter capacitor, the 6th diode；Wherein, the emitter stage of described audion connects controlling input and being connected to the contact of three end power supply chip source terminals and inductance after being sequentially connected with the 3rd electrochemical capacitor, the first resistance of power supply chip；With the second filter capacitor composition parallel circuit after Zener diode and the second resistant series, one end of this parallel circuit connects the 6th diode, and it is connected to potentiometer after connecting the 3rd resistance, the other end is then connected to the contact of three end power supply chip source terminals and inductance, and one end that the 6th diode is not connected with parallel circuit is connected to inductance tap；The base stage of audion is connected to Zener diode and the contact of the second resistance；
One end of described 5th resistance is connected to the contact of three end power supply chip source terminals and inductance, and the other end is connected to input rectifying filter circuit and the contact of output transforming circuit；
The output transforming circuit common ground connection of described three power conditioning modules.
2. three phase electric machine universal power conditioner as claimed in claim 1, it is characterised in that described input rectifying filter circuit includes rectifier circuit and is connected in parallel on the first electric capacity of rectification bridge output end, and described rectifier circuit is made up of four diodes.
3. three phase electric machine universal power conditioner as claimed in claim 2, it is characterised in that four diodes constituting rectifier circuit are commutation diode.
4. three phase electric machine universal power conditioner as claimed in claim 2, it is characterised in that four diodes constituting rectifier circuit are thyristor diode.
5. three phase electric machine universal power conditioner as claimed in claim 1, it is characterised in that output transforming circuit is the coil circuit of 1 to 1, and three coils are altogether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610555425.8A CN105958843A (en) | 2016-07-15 | 2016-07-15 | General power regulator for three-phase machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610555425.8A CN105958843A (en) | 2016-07-15 | 2016-07-15 | General power regulator for three-phase machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105958843A true CN105958843A (en) | 2016-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610555425.8A Pending CN105958843A (en) | 2016-07-15 | 2016-07-15 | General power regulator for three-phase machine |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1491476A (en) * | 2001-12-17 | 2004-04-21 | ���µ�����ҵ��ʽ���� | DC-DC converter |
| CN101415283A (en) * | 2008-11-14 | 2009-04-22 | 朱保华 | Universal power conditioner for lighting lamp |
| CN201345756Y (en) * | 2008-11-14 | 2009-11-11 | 朱保华 | Universal power adjusting device for illumination lamp |
| CN205864278U (en) * | 2016-07-15 | 2017-01-04 | 四川省佶华节能科技有限公司 | A kind of three phase electric machine universal power conditioner |
-
2016
- 2016-07-15 CN CN201610555425.8A patent/CN105958843A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1491476A (en) * | 2001-12-17 | 2004-04-21 | ���µ�����ҵ��ʽ���� | DC-DC converter |
| CN101415283A (en) * | 2008-11-14 | 2009-04-22 | 朱保华 | Universal power conditioner for lighting lamp |
| CN201345756Y (en) * | 2008-11-14 | 2009-11-11 | 朱保华 | Universal power adjusting device for illumination lamp |
| CN205864278U (en) * | 2016-07-15 | 2017-01-04 | 四川省佶华节能科技有限公司 | A kind of three phase electric machine universal power conditioner |
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Application publication date: 20160921 |
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| RJ01 | Rejection of invention patent application after publication |