CN201918904U - Circuit capable of realizing different voltage outputs by aid of series-parallel-connection of transformer taps - Google Patents
Circuit capable of realizing different voltage outputs by aid of series-parallel-connection of transformer taps Download PDFInfo
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- CN201918904U CN201918904U CN2010206899723U CN201020689972U CN201918904U CN 201918904 U CN201918904 U CN 201918904U CN 2010206899723 U CN2010206899723 U CN 2010206899723U CN 201020689972 U CN201020689972 U CN 201020689972U CN 201918904 U CN201918904 U CN 201918904U
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Abstract
The utility model relates to the technical field of power circuits, in particular to a circuit capable of realizing different voltage outputs by the aid of series-parallel-connection of transformer taps, which comprises transformers and a plurality of alternating-current contactors. Each transformer consists of two secondary windings, contact terminals of the secondary windings of the current transformers are connected with the alternating-current contactors, and series-parallel-connection of the transformers is realized by the aid of close and open states of the alternating-current contactors. The circuit is flexible and simple in voltage regulation mode, and realizes different voltage outputs with the same input.
Description
Technical field
The utility model relates to the power circuit technical field, relates in particular to utilize the transformer tapping connection in series-parallel to realize different voltage follower circuits.
Background technology
At present different electrical voltage systems requires the power supply of front end different, require input voltage 220V such as what user load had, the requirement input 110V voltage that has, so just the user just must buy the different power supply of two covers, the cost of user aspect power supply also can increase, and many simultaneously cover power supplies need the more work place.
China's utility model patent (application number: 200720107735.X) disclose a kind of isolated three phase mains transformer, belonged to the transformer technology field, comprised an elementary input coil, three secondary output windings and place therebetween iron core.Combination by elementary input coil and three secondary output windings, thereby make transformer can export three different voltages as required, be the voltage that transformer can be exported three different gears, requirement according to actual utilization voltage realizes by this transformer, also can reasonably adjust required voltage by this transformer according to the variation of line voltage, this transformer, if elementary input voltage changes, can bring the variation of the voltage of three different outputs simultaneously, if want to adjust the voltage of one of them gear, other two gear voltages also can and then change, and it is single to adjust voltage system.
The utility model content
The purpose of this utility model is to provide the circuit that utilizes the transformer tapping connection in series-parallel to realize different voltage follower circuits at the deficiencies in the prior art, and the mode that its voltage is adjusted is flexible, and is simple, and same input realizes different voltage output.
The purpose of this utility model realizes by following technical measures: utilize the transformer tapping connection in series-parallel to realize different voltage follower circuits, comprise transformer, A.C. contactor, transformer comprise two secondary, the secondary contact of transformer is connected with A.C. contactor,
When transformer series connection output series voltage, the secondary low-voltage output of first of transformer is connected with second secondary high-voltage output end; When transformers connected in parallel output-parallel voltage, the secondary low-voltage output of first of transformer is connected with second secondary low-voltage output, and the secondary high-voltage output end of first of transformer is connected with second secondary high-voltage output end.
Wherein, transformer is a contravariant transformer.
Wherein, transformer comprises T1, and the number of A.C. contactor is 3, is respectively MC1, MC2, MC3;
T1 is elementary to be connected with the R phase line of three phase network;
Secondary high presser feet 4 pin of T1,6 pin are connected with 1 point of MC2,2 respectively;
Secondary low presser feet 3 pin of T1,5 pin are connected with 1 point of MC3, MC1 2 respectively;
1 of MC1 with MC2 1 is connected;
2 of MC1 with MC3 2 are connected;
1 point of MC3,3 points, 5 are connected with the N line;
In the time of T1 output-parallel voltage, MC2, MC3 adhesive, MC1 disconnects, and 1 of MC2 with MC1 2 are connected, and 1 of MC3 with MC3 2 are connected;
In the time of T1 output series voltage, the MC1 adhesive, MC2, MC3 disconnect, and 1 of MC1 with MC1 2 are connected;
Wherein, transformer also comprises T2, T3;
T2 is elementary to be connected with the S phase line of three phase network, and T3 is elementary to be connected with the T phase line of three phase network;
Secondary high presser feet 4 pin of T2,6 pin are connected with 3 points of MC2,4 respectively;
Secondary low presser feet 3 pin of T2,5 pin are connected with 3 points of MC3, MC1 4 respectively;
3 of MC1 with MC2 3 are connected;
4 of MC1 with MC3 4 are connected;
In the time of T2 output-parallel voltage, MC2, MC3 adhesive, MC1 disconnects, and 3 of MC2 with MC1 4 are connected, and 3 of MC3 with MC3 4 are connected;
In the time of T2 output series voltage, the MC1 adhesive, MC2, MC3 disconnect, and 3 of MC1 with MC1 4 are connected;
Secondary high presser feet 4 pin of T3,6 pin are connected with 5 points of MC2,6 respectively;
Secondary low presser feet 3 pin of T3,5 pin are connected with 5 points of MC3, MC1 6 respectively;
5 of MC1 with MC2 5 are connected;
6 of MC1 with MC3 6 are connected;
In the time of T3 output-parallel voltage, MC2, MC3 adhesive, MC1 disconnects, and 5 of MC2 with MC1 6 are connected, and 5 of MC3 with MC3 6 are connected;
In the time of T3 output series voltage, the MC1 adhesive, MC2, MC3 disconnect, and 5 of MC1 with MC1 6 are connected.
Wherein, also comprise IGBT1, IGBT2, IGBT3, IGBT4, IGBT5, IGBT6, capacitor C 1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14, C15;
IGBT1, IGBT2 are connected with 1 elementary pin, 2 pin of T1 respectively;
IGBT3, IGBT4 are connected with 1 elementary pin, 2 pin of T2 respectively;
IGBT5, IGBT6 are connected with 1 elementary pin, 2 pin of T3 respectively;
C1 one end is connected with the 3 secondary pin of T3, and the C1 other end is connected with the 4 secondary pin of T3;
C2 one end is connected with the 5 secondary pin of T3, and the C2 other end is connected with the 6 secondary pin of T3;
C6 one end is connected with the 3 secondary pin of T2, and the C6 other end is connected with the 4 secondary pin of T2;
C7 one end is connected with the 5 secondary pin of T2, and the C7 other end is connected with the 6 secondary pin of T2;
C11 one end is connected with the 3 secondary pin of T1, and the C11 other end is connected with the 4 secondary pin of T1;
C12 one end is connected with the 5 secondary pin of T1, and the C12 other end is connected with the 6 secondary pin of T1;
5 of C3 one end and MC1 are connected, and the C3 other end is connected with the 5 secondary pin of T3, and 6 of MC1 are connected with the 4 secondary pin of T3;
5 of C4 one end and MC2 are connected, and the C4 other end is connected with the 6 secondary pin of T3, and 6 of MC2 are connected with the 4 secondary pin of T3;
C5 one end is connected with the 3 secondary pin of T3, and 5 of the C5 other end and MC3 are connected, and 6 connections of MC3 are connected with the 5 secondary pin of T3;
3 of C8 one end and MC1 are connected, and the C8 other end is connected with the 5 secondary pin of T2, and 4 of MC1 are connected with the 4 secondary pin of T2;
3 of C9 one end and MC2 are connected, and the C9 other end is connected with the 6 secondary pin of T2, and secondary 4 of 4 pin of MC2 and T2 are connected;
C10 one end is connected with the 3 secondary pin of T2, and 3 of the C10 other end and MC3 are connected, and 4 connections of MC3 are connected with the 5 secondary pin of T3;
1 of C13 one end and MC1 is connected, and the C13 other end is connected with the 5 secondary pin of T1, and 2 of MC1 are connected with the 4 secondary pin of T1;
1 of C14 one end and MC1 is connected, and the C14 other end is connected with the 6 secondary pin of T1, and 2 of MC1 are connected with the 4 secondary pin of T1;
C15 one end is connected with the 3 secondary pin of T1, and 1 of the C15 other end and MC3 is connected, and 2 of MC2 are connected with the 5 secondary pin of T1.
The utility model beneficial effect is: utilize the transformer tapping connection in series-parallel to realize different voltage follower circuits, comprise transformer, A.C. contactor, transformer comprise two secondary, the secondary contact of transformer is connected with A.C. contactor,
When transformer series connection output series voltage, the secondary low-voltage output of first of transformer is connected with second secondary high-voltage output end; When transformers connected in parallel output-parallel voltage, the secondary low-voltage output of first of transformer is connected with second secondary low-voltage output, and the secondary high-voltage output end of first of transformer is connected with second secondary high-voltage output end.A plurality of A.C. contactors are set, and by the connection in series-parallel that the closure and the on off state of a plurality of interchange contacts are realized transformer, the mode that its voltage of the utility model is adjusted is flexible, and is simple, and same input realizes different voltage output.
Description of drawings
Fig. 1 is the utility model transformer schematic diagram;
Schematic diagram when Fig. 2 is the utility model transformers connected in parallel;
Schematic diagram when Fig. 3 is the series connection of the utility model transformer;
Fig. 4 is the utility model schematic diagram;
Fig. 5 is the utility model circuit theory diagrams.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described, as Fig. 1-shown in Figure 5.
Embodiment 1
Present embodiment provides and utilizes the transformer tapping connection in series-parallel to realize different voltage follower circuits, comprises transformer, A.C. contactor, transformer comprise two secondary, the secondary contact of transformer is connected with A.C. contactor,
When transformer series connection output series voltage, the secondary low-voltage output of first of transformer is connected with second secondary high-voltage output end; When transformers connected in parallel output-parallel voltage, the secondary low-voltage output of first of transformer is connected with second secondary low-voltage output, and the secondary high-voltage output end of first of transformer is connected with second secondary high-voltage output end.A plurality of A.C. contactors are set, and by the connection in series-parallel that the closure and the on off state of a plurality of interchange contacts are realized transformer, the mode that its voltage of the utility model is adjusted is flexible, and is simple, and same input realizes different voltage output.
The present embodiment transformer is a contravariant transformer.
The present embodiment transformer comprises T1, and the number of A.C. contactor is 3, is respectively MC1, MC2, MC3;
T1 is elementary to be connected with the R phase line of three phase network;
Secondary high presser feet 4 pin of T1,6 pin are connected with 1 point of MC2,2 respectively;
Secondary low presser feet 3 pin of T1,5 pin are connected with 1 point of MC3, MC1 2 respectively;
1 of MC1 with MC2 1 is connected;
2 of MC1 with MC3 2 are connected;
1 point of MC3,3 points, 5 are connected with the N line;
In the time of T1 output-parallel voltage, MC2, MC3 adhesive, MC1 disconnects, and 1 of MC2 with MC1 2 are connected, and 1 of MC3 with MC3 2 are connected;
In the time of T1 output series voltage, the MC1 adhesive, MC2, MC3 disconnect, and 1 of MC1 with MC1 2 are connected;
The present embodiment transformer also comprises T2, T3;
T2 is elementary to be connected with the S phase line of three phase network, and T3 is elementary to be connected with the T phase line of three phase network;
Secondary high presser feet 4 pin of T2,6 pin are connected with 3 points of MC2,4 respectively;
Secondary low presser feet 3 pin of T2,5 pin are connected with 3 points of MC3, MC1 4 respectively;
3 of MC1 with MC2 3 are connected;
4 of MC1 with MC3 4 are connected;
In the time of T2 output-parallel voltage, MC2, MC3 adhesive, MC1 disconnects, and 3 of MC2 with MC1 4 are connected, and 3 of MC3 with MC3 4 are connected;
In the time of T2 output series voltage, the MC1 adhesive, MC2, MC3 disconnect, and 3 of MC1 with MC1 4 are connected;
Secondary high presser feet 4 pin of T3,6 pin are connected with 5 points of MC2,6 respectively;
Secondary low presser feet 3 pin of T3,5 pin are connected with 5 points of MC3, MC1 6 respectively;
5 of MC1 with MC2 5 are connected;
6 of MC1 with MC3 6 are connected;
In the time of T3 output-parallel voltage, MC2, MC3 adhesive, MC1 disconnects, and 5 of MC2 with MC1 6 are connected, and 5 of MC3 with MC3 6 are connected;
In the time of T3 output series voltage, the MC1 adhesive, MC2, MC3 disconnect, and 5 of MC1 with MC1 6 are connected.
Present embodiment also comprises IGBT1, IGBT2, IGBT3, IGBT4, IGBT5, IGBT6, capacitor C 1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14, C15;
IGBT1, IGBT2 are connected with 1 elementary pin, 2 pin of T1 respectively;
IGBT3, IGBT4 are connected with 1 elementary pin, 2 pin of T2 respectively;
IGBT5, IGBT6 are connected with 1 elementary pin, 2 pin of T3 respectively;
C1 one end is connected with the 3 secondary pin of T3, and the C1 other end is connected with the 4 secondary pin of T3;
C2 one end is connected with the 5 secondary pin of T3, and the C2 other end is connected with the 6 secondary pin of T3;
C6 one end is connected with the 3 secondary pin of T2, and the C6 other end is connected with the 4 secondary pin of T2;
C7 one end is connected with the 5 secondary pin of T2, and the C7 other end is connected with the 6 secondary pin of T2;
C11 one end is connected with the 3 secondary pin of T1, and the C11 other end is connected with the 4 secondary pin of T1;
C12 one end is connected with the 5 secondary pin of T1, and the C12 other end is connected with the 6 secondary pin of T1;
5 of C3 one end and MC1 are connected, and the C3 other end is connected with the 5 secondary pin of T3, and 6 of MC1 are connected with the 4 secondary pin of T3;
5 of C4 one end and MC2 are connected, and the C4 other end is connected with the 6 secondary pin of T3, and 6 of MC2 are connected with the 4 secondary pin of T3;
C5 one end is connected with the 3 secondary pin of T3, and 5 of the C5 other end and MC3 are connected, and 6 connections of MC3 are connected with the 5 secondary pin of T3;
3 of C8 one end and MC1 are connected, and the C8 other end is connected with the 5 secondary pin of T2, and 4 of MC1 are connected with the 4 secondary pin of T2;
3 of C9 one end and MC2 are connected, and the C9 other end is connected with the 6 secondary pin of T2, and secondary 4 of 4 pin of MC2 and T2 are connected;
C10 one end is connected with the 3 secondary pin of T2, and 3 of the C10 other end and MC3 are connected, and 4 connections of MC3 are connected with the 5 secondary pin of T3;
1 of C13 one end and MC1 is connected, and the C13 other end is connected with the 5 secondary pin of T1, and 2 of MC1 are connected with the 4 secondary pin of T1;
1 of C14 one end and MC1 is connected, and the C14 other end is connected with the 6 secondary pin of T1, and 2 of MC1 are connected with the 4 secondary pin of T1;
C15 one end is connected with the 3 secondary pin of T1, and 1 of the C15 other end and MC3 is connected, and 2 of MC2 are connected with the 5 secondary pin of T1.
The operation principle of present embodiment is, is example mutually with R.
The high-end 145V of two windings of R phase inversion output transformer is connected on 1,2 of contactor MC2, and 1,3,5 points of the low side 0V of a winding and MC3, output N line connect, and 2 of 2 points of the low side 0V of another winding and MC1, MC3 are connected.
Work as MC2, during the MC3 adhesive, 1,2 connection of MC2, the high-end 145V parallel connection of R phase, 1,2 connection of MC3, low side 0V is by the MC3 parallel connection, thus the realization transformers connected in parallel, output-parallel voltage.When two windings of transformer are connected in parallel, the leakage inductance L of transformer also is a state in parallel, output filter capacitor C14, C15 also are states in parallel, and according to the relation of cut-off frequency and transformer leakage inductance and output filter capacitor, the cut-off frequency of PWM changes very little.
When the MC1 adhesive, this moment, MC2, MC3 disconnected, and 1,2 of MC2 does not communicate, and 1,2 of MC1 communicates, and the low side of high-end and another winding of a winding of R phase is communicated with at this moment, realizes the series connection of transformer, the output series voltage.Two windings in series of transformer together at this moment, the leakage inductance L of transformer also is a series connection, and output filter capacitor C11, C12, C13 also be series connection, and according to the relation of cut-off frequency and transformer leakage inductance and output filter capacitor, the cut-off frequency of PWM changes very little.
The mode and the R of the S phase of present embodiment and T phase connection method and control connection in series-parallel output are similar, just repeat no more here.
The utility model can pass through the coil number of the secondary coiled wire-wound coil of change inversion resistance, realize exporting different voltage, simultaneously can increase more A.C. contactor, realize different voltage output, the not necessarily output of 220V/110V can also realize the output of different voltages such as 330V.
Should be noted that at last; above embodiment is only in order to the explanation the technical solution of the utility model; but not to the restriction of the utility model protection range; although the utility model has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the essence and the scope of technical solutions of the utility model.
Claims (5)
1. utilize the transformer tapping connection in series-parallel to realize different voltage follower circuits, comprise transformer, A.C. contactor, transformer comprise two secondary, it is characterized in that: the secondary contact of transformer is connected with A.C. contactor,
When transformer series connection output series voltage, the secondary low-voltage output of first of transformer is connected with second secondary high-voltage output end; When transformers connected in parallel output-parallel voltage, the secondary low-voltage output of first of transformer is connected with second secondary low-voltage output, and the secondary high-voltage output end of first of transformer is connected with second secondary high-voltage output end.
2. according to claim 1ly utilize the transformer tapping connection in series-parallel to realize different voltage follower circuits, it is characterized in that: transformer is a contravariant transformer.
3. according to claim 2ly utilize the transformer tapping connection in series-parallel to realize different voltage follower circuits, it is characterized in that: transformer comprises T1, and the number of A.C. contactor is 3, is respectively MC1, MC2, MC3;
T1 is elementary to be connected with the R phase line of three phase network;
Secondary high presser feet 4 pin of T1,6 pin are connected with 1 point of MC2,2 respectively;
Secondary low presser feet 3 pin of T1,5 pin are connected with 1 point of MC3, MC1 2 respectively;
1 of MC1 with MC2 1 is connected;
2 of MC1 with MC3 2 are connected;
1 point of MC3,3 points, 5 are connected with the N line;
In the time of T1 output-parallel voltage, MC2, MC3 adhesive, MC1 disconnects, and 1 of MC2 with MC1 2 are connected, and 1 of MC3 with MC3 2 are connected;
In the time of T1 output series voltage, the MC1 adhesive, MC2, MC3 disconnect, and 1 of MC1 with MC1 2 are connected.
4. according to claim 3ly utilize the transformer tapping connection in series-parallel to realize different voltage follower circuits, it is characterized in that: transformer also comprises T2, T3;
T2 is elementary to be connected with the S phase line of three phase network, and T3 is elementary to be connected with the T phase line of three phase network;
Secondary high presser feet 4 pin of T2,6 pin are connected with 3 points of MC2,4 respectively;
Secondary low presser feet 3 pin of T2,5 pin are connected with 3 points of MC3, MC1 4 respectively;
3 of MC1 with MC2 3 are connected;
4 of MC1 with MC3 4 are connected;
In the time of T2 output-parallel voltage, MC2, MC3 adhesive, MC1 disconnects, and 3 of MC2 with MC1 4 are connected, and 3 of MC3 with MC3 4 are connected;
In the time of T2 output series voltage, the MC1 adhesive, MC2, MC3 disconnect, and 3 of MC1 with MC1 4 are connected;
Secondary high presser feet 4 pin of T3,6 pin are connected with 5 points of MC2,6 respectively;
Secondary low presser feet 3 pin of T3,5 pin are connected with 5 points of MC3, MC1 6 respectively;
5 of MC1 with MC2 5 are connected;
6 of MC1 with MC3 6 are connected;
In the time of T3 output-parallel voltage, MC2, MC3 adhesive, MC1 disconnects, and 5 of MC2 with MC1 6 are connected, and 5 of MC3 with MC3 6 are connected;
In the time of T3 output series voltage, the MC1 adhesive, MC2, MC3 disconnect, and 5 of MC1 with MC1 6 are connected.
5. according to claim 4ly utilize the transformer tapping connection in series-parallel to realize different voltage follower circuits, it is characterized in that: also comprise IGBT1, IGBT2, IGBT3, IGBT4, IGBT5, IGBT6, capacitor C 1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14, C15;
IGBT1, IGBT2 are connected with 1 elementary pin, 2 pin of T1 respectively;
IGBT3, IGBT4 are connected with 1 elementary pin, 2 pin of T2 respectively;
IGBT5, IGBT6 are connected with 1 elementary pin, 2 pin of T3 respectively;
C1 one end is connected with the 3 secondary pin of T3, and the C1 other end is connected with the 4 secondary pin of T3;
C2 one end is connected with the 5 secondary pin of T3, and the C2 other end is connected with the 6 secondary pin of T3;
C6 one end is connected with the 3 secondary pin of T2, and the C6 other end is connected with the 4 secondary pin of T2;
C7 one end is connected with the 5 secondary pin of T2, and the C7 other end is connected with the 6 secondary pin of T2;
C11 one end is connected with the 3 secondary pin of T1, and the C11 other end is connected with the 4 secondary pin of T1;
C12 one end is connected with the 5 secondary pin of T1, and the C12 other end is connected with the 6 secondary pin of T1;
5 of C3 one end and MC1 are connected, and the C3 other end is connected with the 5 secondary pin of T3, and 6 of MC1 are connected with the 4 secondary pin of T3;
5 of C4 one end and MC2 are connected, and the C4 other end is connected with the 6 secondary pin of T3, and 6 of MC2 are connected with the 4 secondary pin of T3;
C5 one end is connected with the 3 secondary pin of T3, and 5 of the C5 other end and MC3 are connected, and 6 connections of MC3 are connected with the 5 secondary pin of T3;
3 of C8 one end and MC1 are connected, and the C8 other end is connected with the 5 secondary pin of T2, and 4 of MC1 are connected with the 4 secondary pin of T2;
3 of C9 one end and MC2 are connected, and the C9 other end is connected with the 6 secondary pin of T2, and secondary 4 of 4 pin of MC2 and T2 are connected;
C10 one end is connected with the 3 secondary pin of T2, and 3 of the C10 other end and MC3 are connected, and 4 connections of MC3 are connected with the 5 secondary pin of T3;
1 of C13 one end and MC1 is connected, and the C13 other end is connected with the 5 secondary pin of T1, and 2 of MC1 are connected with the 4 secondary pin of T1;
1 of C14 one end and MC1 is connected, and the C14 other end is connected with the 6 secondary pin of T1, and 2 of MC1 are connected with the 4 secondary pin of T1;
C15 one end is connected with the 3 secondary pin of T1, and 1 of the C15 other end and MC3 is connected, and 2 of MC2 are connected with the 5 secondary pin of T1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206899723U CN201918904U (en) | 2010-12-30 | 2010-12-30 | Circuit capable of realizing different voltage outputs by aid of series-parallel-connection of transformer taps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206899723U CN201918904U (en) | 2010-12-30 | 2010-12-30 | Circuit capable of realizing different voltage outputs by aid of series-parallel-connection of transformer taps |
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| CN201918904U true CN201918904U (en) | 2011-08-03 |
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| CN2010206899723U Expired - Fee Related CN201918904U (en) | 2010-12-30 | 2010-12-30 | Circuit capable of realizing different voltage outputs by aid of series-parallel-connection of transformer taps |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647257A (en) * | 2013-12-16 | 2014-03-19 | 扬州双鸿电子有限公司 | Rapid short circuit protection device for large power high voltage power source |
| CN105375784A (en) * | 2015-12-09 | 2016-03-02 | 苏州工业职业技术学院 | Power output control system |
| CN109873571A (en) * | 2017-12-04 | 2019-06-11 | 邹晓灵 | A kind of general inverter and its control method |
-
2010
- 2010-12-30 CN CN2010206899723U patent/CN201918904U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647257A (en) * | 2013-12-16 | 2014-03-19 | 扬州双鸿电子有限公司 | Rapid short circuit protection device for large power high voltage power source |
| CN103647257B (en) * | 2013-12-16 | 2016-05-25 | 国充充电科技江苏股份有限公司 | High-power high voltage power supply fast short-circuit protective device |
| CN105375784A (en) * | 2015-12-09 | 2016-03-02 | 苏州工业职业技术学院 | Power output control system |
| CN105375784B (en) * | 2015-12-09 | 2018-04-27 | 苏州工业职业技术学院 | Power supply output control system |
| CN109873571A (en) * | 2017-12-04 | 2019-06-11 | 邹晓灵 | A kind of general inverter and its control method |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20161230 |
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| CF01 | Termination of patent right due to non-payment of annual fee |