CN204992588U - High voltage developments stabiliser - Google Patents
High voltage developments stabiliser Download PDFInfo
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- CN204992588U CN204992588U CN201520522341.5U CN201520522341U CN204992588U CN 204992588 U CN204992588 U CN 204992588U CN 201520522341 U CN201520522341 U CN 201520522341U CN 204992588 U CN204992588 U CN 204992588U
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- stabilizing circuit
- voltage stabilizing
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- phase transformer
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Abstract
The utility model relates to a high voltage developments stabiliser belongs to the electric automation device field. Including AB looks voltage stabilizing circuit, BC looks voltage stabilizing circuit and CA looks voltage stabilizing circuit, every looks voltage stabilizing circuit includes a N inverse parallel silicon controlled switch and a single phase transformer, and single phase transformer's vice limit includes the individual end of taking a percentage of N, the one end that AB looks voltage stabilizing circuit's AC input B was connected to the one end on the former limit of these looks single phase transformer simultaneously and was connected to these looks N inverse parallel silicon controlled switch is connected to the public input that forms together, the output of these looks k inverse parallel silicon controlled switch is connected to these looks single phase transformer's the individual end of taking a percentage of vice limit k, these looks single phase transformer's the individual end of taking a percentage of vice limit N, and conduct AB looks voltage stabilizing circuit's interchange output V, the other end on the former limit of these looks single phase transformer is connected to A. The utility model discloses can realize the quick steady voltage of the three -way circuit load side of high -pressure three -phase to reduce the overall cost of stabiliser.
Description
Technical field
The utility model relates to the dynamic pressurizer of a kind of high voltage, belongs to field of electric automatization equipment.
Background technology
At high voltage power distribution (6KV, 10KV or the 35KV) line end of remote districts, due to circuit distance, line impedance is large, terminal voltage can be caused much on the low side, affect the normal operation of power load when end load is larger.In order to ensure the quality of voltage of end power load, a kind of pressurizer of quick response is needed to carry out stable end load voltage.Dynamic voltage compensator (or claim dynamic electric voltage recovery device, DVR) for to fall or the line voltage of overshoot compensates fast, the voltage of load side is made to keep stable, not by the impact of electrical network electric voltage exception, but because DVR adopts voltage source inverter to realize, cost is high, is unfavorable for promoting the use of.Therefore need to find new circuit topology to reduce the cost of line end pressurizer.Also have a kind of high voltage regulator of common transformer belt (machinery) tap switch, even if useful life is short, poor reliability, also has the place of pressure regulation demand to use at some.
Summary of the invention
The purpose of this utility model proposes the dynamic pressurizer of a kind of high voltage, to overcome the deficiency of prior art, under the prerequisite of the stable high voltage line end voltage required for realizing, reduces the holistic cost of dynamic pressurizer.
The dynamic pressurizer of the high voltage that the utility model proposes, comprise ac input end A, B, C and three ac output ends U, V, W that three connect electrical network, also comprise AB phase voltage stabilizing circuit, BC phase voltage stabilizing circuit and CA phase voltage stabilizing circuit, every phase voltage stabilizing circuit comprises N number of inverse parallel reverse-blocking tetrode thyristor and a single-phase transformer;
The ac input end B of AB phase voltage stabilizing circuit is connected to the one end on this former limit of phase single-phase transformer simultaneously, be connected to simultaneously and connect together by one end of this mutually N number of inverse parallel reverse-blocking tetrode thyristor the public input formed, this phase kth (k=1,2...N) output of individual inverse parallel reverse-blocking tetrode thyristor is connected to the secondary kth (k=1 of this phase single-phase transformer, 2...N) individual tap terminals, the N number of tap terminals of secondary of this phase single-phase transformer is as the ac output end V of AB phase voltage stabilizing circuit, and the A that the other end on this former limit of phase single-phase transformer is connected to electrical network connects line end;
The ac input end C of BC phase voltage stabilizing circuit is connected to the one end on this former limit of phase single-phase transformer simultaneously, be connected to simultaneously and connect together by one end of this mutually N number of inverse parallel reverse-blocking tetrode thyristor the public input formed, this phase kth (k=1,2...N) output of individual inverse parallel reverse-blocking tetrode thyristor is connected to the secondary kth (k=1 of this phase single-phase transformer, 2...N) individual tap terminals, the N number of tap terminals of secondary of this phase single-phase transformer is as the ac output end W of BC phase voltage stabilizing circuit, and the other end on this former limit of phase single-phase transformer is connected to B and connects line end;
The ac input end A of CA phase voltage stabilizing circuit is connected to the one end on this former limit of phase single-phase transformer simultaneously, be connected to simultaneously and connect together by one end of this mutually N number of inverse parallel reverse-blocking tetrode thyristor the public input formed, this phase kth (k=1,2...N) output of individual inverse parallel reverse-blocking tetrode thyristor is connected to the secondary kth (k=1 of this phase single-phase transformer, 2...N) individual tap terminals, the N number of tap terminals of secondary of this phase single-phase transformer is as the ac output end U of CA phase voltage stabilizing circuit, and the other end on this former limit of phase single-phase transformer is connected to C and connects line end.
The advantage of the dynamic pressurizer of the high voltage that the utility model proposes is: meeting under the prerequisite realizing the quick voltage stabilizing control of three-phase load voltage, can reduce the cost of overall pressurizer.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the dynamic pressurizer of high voltage of the present utility model.
In Fig. 1,1 is N number of inverse parallel reverse-blocking tetrode thyristor, and 2 is single-phase transformers.
Embodiment
The dynamic pressurizer of the high voltage that the utility model proposes, comprise three ac input ends A, B, C and three ac output ends U, V, W, also comprise AB phase voltage stabilizing circuit, BC phase voltage stabilizing circuit and CA phase voltage stabilizing circuit, every phase voltage stabilizing circuit comprises N number of inverse parallel reverse-blocking tetrode thyristor and a single-phase transformer;
The ac input end B of AB phase voltage stabilizing circuit is connected to the one end on this former limit of phase single-phase transformer simultaneously, be connected to simultaneously and connect together by one end of this mutually N number of inverse parallel reverse-blocking tetrode thyristor the public input formed, this phase kth (k=1,2...N) output of individual inverse parallel reverse-blocking tetrode thyristor is connected to the secondary kth (k=1 of this phase single-phase transformer, 2...N) individual tap terminals, the N number of tap terminals of secondary of this phase single-phase transformer is as the ac output end V of AB phase voltage stabilizing circuit, and the A that the other end on this former limit of phase single-phase transformer is connected to electrical network connects line end;
The ac input end C of BC phase voltage stabilizing circuit is connected to the one end on this former limit of phase single-phase transformer simultaneously, be connected to simultaneously and connect together by one end of this mutually N number of inverse parallel reverse-blocking tetrode thyristor the public input formed, this phase kth (k=1,2...N) output of individual inverse parallel reverse-blocking tetrode thyristor is connected to the secondary kth (k=1 of this phase single-phase transformer, 2...N) individual tap terminals, the N number of tap terminals of secondary of this phase single-phase transformer is as the ac output end W of BC phase voltage stabilizing circuit, and the other end on this former limit of phase single-phase transformer is connected to B and connects line end;
The ac input end A of CA phase voltage stabilizing circuit is connected to the one end on this former limit of phase single-phase transformer simultaneously, be connected to simultaneously and connect together by one end of this mutually N number of inverse parallel reverse-blocking tetrode thyristor the public input formed, this phase kth (k=1,2...N) output of individual inverse parallel reverse-blocking tetrode thyristor is connected to the secondary kth (k=1 of this phase single-phase transformer, 2...N) individual tap terminals, the N number of tap terminals of secondary of this phase single-phase transformer is as the ac output end U of CA phase voltage stabilizing circuit, and the other end on this former limit of phase single-phase transformer is connected to C and connects line end.
In the dynamic pressurizer of above-mentioned high voltage, the secondary of single-phase transformer wherein comprises N number of tap terminals, and at least one adjacent tap terminals is parallel with a cooling blower, dispels the heat for silicon controlled.
Figure 1 shows that the circuit theory diagrams of the dynamic pressurizer of the high voltage that the utility model proposes.The dynamic pressurizer of high voltage comprises three ac input ends A, B, C and three ac output ends U, V, W, and AB phase voltage stabilizing circuit, BC phase voltage stabilizing circuit and CA phase voltage stabilizing circuit.Every phase voltage stabilizing circuit all comprises N number of inverse parallel reverse-blocking tetrode thyristor (1) SP1/SN1-SPN/SNN and single-phase transformer (2) TR.The ac input end B of AB phase voltage stabilizing circuit is connected to the one end connecting this mutually N number of inverse parallel reverse-blocking tetrode thyristor (4) SP1/SN1-SPN/SNN by the one end on the former limit of this phase single-phase transformer (2) TR simultaneously and connects together the public input formed, this phase kth (k=1, 2...N) output of individual inverse parallel reverse-blocking tetrode thyristor (1) SPk/SNk is connected to the secondary kth (k=1 of this phase single-phase transformer (2) TR, 2...N) individual tap terminals, the N number of tap terminals of secondary of this phase single-phase transformer (2) TR is connected to by the other end of this phase voltage stabilizing circuit, and as the ac output end V of this phase voltage stabilizing circuit, the other end on this former limit of phase single-phase transformer (2) TR is connected to A.The mode of connection of BC, CA phase voltage stabilizing circuit and the identical of AB phase.
Needs boosting or reduction regulation are depended in high voltage of the present utility model dynamic pressurizer vice-side winding tap Same Name of Ends direction.
The operation principle of the dynamic pressurizer of the utility model high voltage is: when certain cross streams input voltage is on the low side, which inverse parallel reverse-blocking tetrode thyristor conducting the magnitude of voltage boosted as required determines and other all inverse parallel reverse-blocking tetrode thyristors disconnect, the secondary of such transformer to be just connected in series in this circuitry phase the alternating voltage of and this phase input voltage homophase, stabilizer output voltage is improved, stablizes this phase load terminal voltage; When certain cross streams input voltage is higher, which inverse parallel reverse-blocking tetrode thyristor conducting the magnitude of voltage of step-down determines and other all inverse parallel reverse-blocking tetrode thyristors disconnect as required, the secondary of such transformer to be just connected in series in this circuitry phase one and the anti-phase alternating voltage of this phase input voltage, stabilizer output voltage is reduced, stablizes this phase load terminal voltage.
Three single-phase transformers in the utility model three-phase voltage stabilizing circuit also can be merged into a three-phase transformer, and the utility model is applicable to the voltage stabilizing adjustment of three-phase and four-line load in addition.All inverse parallel controllable silicons wherein can also be replaced with mechanical switch contact.Any equivalent transformation circuit done based on the utility model circuit, all belongs to protection range of the present utility model.
Claims (1)
1. the dynamic pressurizer of high voltage, comprise three ac input ends A, B, C and three ac output ends U, V, W, characterized by further comprising AB phase voltage stabilizing circuit, BC phase voltage stabilizing circuit and CA phase voltage stabilizing circuit, every phase voltage stabilizing circuit comprises N number of inverse parallel reverse-blocking tetrode thyristor and a single-phase transformer;
The ac input end B of AB phase voltage stabilizing circuit is connected to the one end on this former limit of phase single-phase transformer simultaneously, be connected to simultaneously and connect together by one end of this mutually N number of inverse parallel reverse-blocking tetrode thyristor the public input formed, the output of this phase kth inverse parallel reverse-blocking tetrode thyristor is connected to a secondary kth tap terminals of this phase single-phase transformer, the N number of tap terminals of secondary of this phase single-phase transformer is as the ac output end V of AB phase voltage stabilizing circuit, the A that the other end on this former limit of phase single-phase transformer is connected to electrical network connects line end, k=1,2...N;
The ac input end C of BC phase voltage stabilizing circuit is connected to the one end on this former limit of phase single-phase transformer simultaneously, be connected to simultaneously and connect together by one end of this mutually N number of inverse parallel reverse-blocking tetrode thyristor the public input formed, the output of this phase kth inverse parallel reverse-blocking tetrode thyristor is connected to a secondary kth tap terminals of this phase single-phase transformer, the N number of tap terminals of secondary of this phase single-phase transformer is as the ac output end W of BC phase voltage stabilizing circuit, the other end on this former limit of phase single-phase transformer is connected to B and connects line end, k=1,2...N;
The ac input end A of CA phase voltage stabilizing circuit is connected to the one end on this former limit of phase single-phase transformer simultaneously, be connected to simultaneously and connect together by one end of this mutually N number of inverse parallel reverse-blocking tetrode thyristor the public input formed, the output of this phase kth inverse parallel reverse-blocking tetrode thyristor is connected to a secondary kth tap terminals of this phase single-phase transformer, the N number of tap terminals of secondary of this phase single-phase transformer is as the ac output end U of CA phase voltage stabilizing circuit, the other end on this former limit of phase single-phase transformer is connected to C and connects line end, k=1,2...N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520522341.5U CN204992588U (en) | 2015-07-17 | 2015-07-17 | High voltage developments stabiliser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520522341.5U CN204992588U (en) | 2015-07-17 | 2015-07-17 | High voltage developments stabiliser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204992588U true CN204992588U (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520522341.5U Expired - Fee Related CN204992588U (en) | 2015-07-17 | 2015-07-17 | High voltage developments stabiliser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204992588U (en) |
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2015
- 2015-07-17 CN CN201520522341.5U patent/CN204992588U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170605 Address after: Suzhou City, Jiangsu province 215600 Zhangjiagang Yang Changxin Road No. 8 University City Co-patentee after: BEIJING SWTECH CONVERTING TECHNOLOGY CO., LTD. Patentee after: Zhangjiagang Zhidian siei Substation Technology Co. Ltd. Address before: Suzhou City, Jiangsu province 215600 Zhangjiagang Yang Changxin Road No. 8 University City Co-patentee before: West Beijing Wei Qingneng Semiconductor Converting Technology Co., Ltd Patentee before: Zhangjiagang Zhi electricity Xi Wei Semiconductor Converting Technology Co., Ltd |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20180717 |
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| CF01 | Termination of patent right due to non-payment of annual fee |