CN205141695U - Uninterrupted power supply distribution transformer three -phase unbalanced load regulator - Google Patents
Uninterrupted power supply distribution transformer three -phase unbalanced load regulator Download PDFInfo
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- CN205141695U CN205141695U CN201520685973.3U CN201520685973U CN205141695U CN 205141695 U CN205141695 U CN 205141695U CN 201520685973 U CN201520685973 U CN 201520685973U CN 205141695 U CN205141695 U CN 205141695U
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- contactor
- control type
- breaker
- type thyristor
- plastic casing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
Abstract
The utility model mainly provides an uninterrupted power supply distribution transformer three -phase unbalanced load regulator, it is main including moulded case circuit breaker, an alternating current contactor, switch accuse type full thyristor, power adapter, the PLC controller, residual current protection ware intelligent monitoring system, moulded case circuit breaker connects in three -phase circuit, moulded case circuit breaker and ac contactor concatenate, ac contactor links in the circuit with switch accuse type full thyristor, power adapter connects provides the power for the PLC controller in three -phase circuit, linked switch accuse type full thyristor is still distinguished to the PLC controller, residual current protection ware intelligent monitoring system, the utility model discloses the theory of operation is simple, can not only three phase load of fast switch over distribution transformer, and by shortening several original seconds to several milliseconds of clocks, in addition can uninterrupted resident's power consumption.
Description
Technical field:
The utility model relates to distribution transformer field, particularly relates to a kind of uninterrupted power supply distribution transformer three-phase load unbalance adjuster.
Background technology:
At present, distribution transformer three-phase load unbalance adjuster is made up of independently three single-phase circuit breakers, and A, B, C alternate commutation time is longer, commutation process needs a few second, though complete distribution transformer three-phase load unbalance to regulate, residential electricity consumption short interruptions, power supply reliability reduces.
Utility model content:
In order to solve the problem, it is simple that the utility model provides a kind of operation principle, can not only switch distribution transformer three-phase load fast, foreshorten to several milliseconds of clocks, and can not interrupt the technical scheme of residential electricity consumption by original several seconds:
A kind of uninterrupted power supply distribution transformer three-phase load unbalance adjuster, mainly comprise breaker of plastic casing, A.C. contactor, switch full-control type thyristor, power supply adaptor, PLC, residual current operated protective device intelligent monitor system, breaker of plastic casing comprises the first breaker of plastic casing, second breaker of plastic casing, 3rd breaker of plastic casing, first breaker of plastic casing, second breaker of plastic casing, 3rd breaker of plastic casing is connected in three-phase circuit respectively, power supply adaptor is connected in three-phase circuit as PLC provides power supply, PLC also connects residual current operated protective device intelligent monitor system.
As preferably, A.C. contactor comprises the first A.C. contactor, the second A.C. contactor, the 3rd A.C. contactor, and the first A.C. contactor, the second A.C. contactor, the 3rd A.C. contactor are connected in series with the first breaker of plastic casing, the second breaker of plastic casing, the 3rd breaker of plastic casing respectively.
As preferably, switch full-control type thyristor comprises the first switch full-control type thyristor, second switch full-control type thyristor, the 3rd switch full-control type thyristor, first switch full-control type thyristor, second switch full-control type thyristor, the 3rd switch full-control type thyristor respectively with the first A.C. contactor, the second A.C. contactor, the 3rd A.C. contactor be connected in circuit, first switch full-control type thyristor, second switch full-control type thyristor, the 3rd switch full-control type thyristor public input termination PLC, public output connects 220V power end.
As preferably; residual current operated protective device intelligent monitor system comprises residual current transformer, electric power mutual-inductor, residual current monitoring device, wireless communication apparatus, alarm protecting apparatus; residual current transformer connection transformer outlet terminal earth connection; electric power mutual-inductor connection transformer outlet terminal live wire; residual current monitoring device connects residual current transformer, electric power mutual-inductor, wireless communication apparatus, alarm protecting apparatus respectively, and wireless communication apparatus is by GPRS network Connection Service platform.
The beneficial effects of the utility model are:
(1) A.C. contactor of the present utility model and full-control type thyristor by specific logic with the use of, distribution transformer three-phase load can be switched fast, several milliseconds of clocks are foreshortened to by original several seconds, the load commutation time is fast 1000 times, achieve resident and hold uninterrupted power supply in power load commutation process, decrease distribution transforming three-phase load unbalance, improve platform district rate of qualified voltage, reduce platform district line loss, what avoid that distribution transforming causes because single-phase load is overweight burns, and improves power supply reliability.
(2) the residual current operated protective device intelligent monitor system that the utility model adopts can precise acquisition load current, improves data precision, effectively ensures security of operation.
Accompanying drawing illustrates:
Fig. 1 is systematic schematic diagram of the present utility model; ,
Fig. 2 is residual current operated protective device intelligent monitor system schematic diagram of the present utility model.
Embodiment:
For making goal of the invention of the present utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, execution mode of the present utility model is described in further detail.
As shown in Figure 1, a kind of uninterrupted power supply distribution transformer three-phase load unbalance adjuster, mainly comprises breaker of plastic casing, A.C. contactor, switch full-control type thyristor, power supply adaptor 1, PLC 2, residual current operated protective device intelligent monitor system 3, breaker of plastic casing comprises the first breaker of plastic casing 4, second breaker of plastic casing 5, 3rd breaker of plastic casing 6, first breaker of plastic casing 4, second breaker of plastic casing 5, 3rd breaker of plastic casing 6 is connected in three-phase circuit respectively, and A.C. contactor comprises the first A.C. contactor 7, second A.C. contactor 8, 3rd A.C. contactor 9, first A.C. contactor 7, second A.C. contactor 8, 3rd A.C. contactor 9 respectively with the first breaker of plastic casing 4, second breaker of plastic casing 5, 3rd breaker of plastic casing 6 is connected in series, and switch full-control type thyristor comprises the first switch full-control type thyristor 10, second switch full-control type thyristor 11, 3rd switch full-control type thyristor 12, first switch full-control type thyristor 10, second switch full-control type thyristor 11, 3rd switch full-control type thyristor 12 respectively with the first A.C. contactor 7, second A.C. contactor 8, 3rd A.C. contactor 9 is also connected in circuit, the first switch full-control type thyristor 10, second switch full-control type thyristor 11, the public input termination PLC 2 of 3rd switch full-control type thyristor 12, public output connects 220V power end, and power supply adaptor 1 is connected on for PLC 2 provides power supply in three-phase circuit, and PLC 2 also connects residual current operated protective device intelligent monitor system 3.
As shown in Figure 2, residual current operated protective device intelligent monitor system 3 comprises residual current transformer 31, electric power mutual-inductor 32, residual current monitoring device 33, wireless communication apparatus 34, alarm protecting apparatus 35, residual current transformer 31 connection transformer outlet terminal earth connection, electric power mutual-inductor 32 connection transformer outlet terminal live wire, residual current monitoring device 33 connects residual current transformer 31 respectively, electric power mutual-inductor 32, wireless communication apparatus 34, alarm protecting apparatus 35, wireless communication apparatus 34 is by GPRS network Connection Service platform 36, residual current monitoring device 33 gather and deal with data after, GPRS wireless network is passed through by data upload to service platform 36 by wireless communication apparatus 34, operator on duty is facilitated to monitor in real time, grasp the ruuning situation of electrical network at any time, can process in time for accident, the residual current operated protective device intelligent monitor system that the utility model adopts can precise acquisition load current, improve data precision, effective guarantee security of operation.
Operation principle: A.C. contactor of the present utility model can put into operation for a long time, switch full-control type thyristor can only put into operation in short-term, first A.C. contactor 7, second A.C. contactor 8, 3rd A.C. contactor 9 same time can only drop into one, first switch full-control type thyristor 10, second switch full-control type thyristor 11, 3rd switch full-control type thyristor 12 same time can only drop into one, the A.C. contactor that homophase is arranged side by side, full-control type thyristor can paired running, also can split operation, A phase switch is by the first A.C. contactor 7, first switch full-control type thyristor 10 composes in parallel, B phase switch is by the second A.C. contactor 8, second switch full-control type thyristor 11 composes in parallel, C phase switch is by the 3rd A.C. contactor 9, 3rd switch full-control type thyristor 12 composes in parallel, if A phase load is maximum, B phase load is taken second place, C phase load is minimum, 220V resident's single-phase load is connected in 380V distribution backbone A phase, namely the first A.C. contactor 7 is in on-state, second A.C. contactor 8, 3rd A.C. contactor 9 and the first switch full-control type thyristor 10, second switch full-control type thyristor 11, 3rd switch full-control type thyristor 12 is in off-state, resident's end load is now needed to switch in C phase, action logic order is as follows: A phase first of closing switch full-control type thyristor 10, disconnect A phase first A.C. contactor 7, disconnect A phase first switch full-control type thyristor 10, C phase of closing the 3rd switch full-control type thyristor 12, C phase of closing the 3rd A.C. contactor 9, disconnect C phase the 3rd switch full-control type thyristor 12, 220V resident's single-phase load switches to C phase by 380V distribution backbone A phase in 10ms, otherwise, when C phase load is maximum, B phase load is taken second place, A phase load is minimum, 220V resident's single-phase load is connected in 380V distribution backbone C phase, namely the 3rd A.C. contactor 9 is in on-state, first A.C. contactor 7, second A.C. contactor 8 and the first switch full-control type thyristor 10, second switch full-control type thyristor 11, 3rd switch full-control type thyristor 12 is in off-state, resident's end load is now needed to switch in A phase, action logic order is as follows: C phase of closing the 3rd switch full-control type thyristor 12, disconnect C the 3rd A.C. contactor 9, disconnect C phase the 3rd switch full-control type thyristor 12, A phase first of closing switch full-control type thyristor 10, A phase first of closing A.C. contactor 7, disconnect A phase first switch full-control type thyristor 10, 220V resident's single-phase load switches to A phase by 380V distribution backbone C phase in 10ms, complete 380V distribution backbone C phase sub-load current transfer to A phase, distribution transformer three-phase load unbalance reduces further.
A.C. contactor of the present utility model and full-control type thyristor by specific logic with the use of, distribution transformer three-phase load can be switched fast, several milliseconds of clocks are foreshortened to by original several seconds, the load commutation time is fast 1000 times, achieve resident and hold uninterrupted power supply in power load commutation process, decrease distribution transforming three-phase load unbalance, improve platform district rate of qualified voltage, reduce platform district line loss, what avoid that distribution transforming causes because single-phase load is overweight burns, and improves power supply reliability.
Above-described embodiment is preferred embodiment of the present utility model; it is not the restriction to technical solutions of the utility model; as long as without the technical scheme that creative work can realize on the basis of above-described embodiment, all should be considered as falling within the scope of the rights protection of the utility model patent.
Claims (4)
1. a uninterrupted power supply distribution transformer three-phase load unbalance adjuster, it is characterized in that: mainly comprise breaker of plastic casing, A.C. contactor, switch full-control type thyristor, power supply adaptor, PLC, residual current operated protective device intelligent monitor system, described breaker of plastic casing comprises the first breaker of plastic casing, second breaker of plastic casing, 3rd breaker of plastic casing, described first breaker of plastic casing, described second breaker of plastic casing, described 3rd breaker of plastic casing is connected in three-phase circuit respectively, described power supply adaptor is connected in three-phase circuit as described PLC provides power supply, described PLC also connects described residual current operated protective device intelligent monitor system.
2. a kind of uninterrupted power supply distribution transformer three-phase load unbalance adjuster according to claim 1, it is characterized in that: described A.C. contactor comprises the first A.C. contactor, the second A.C. contactor, the 3rd A.C. contactor, described first A.C. contactor, described second A.C. contactor, described 3rd A.C. contactor are connected in series with described first breaker of plastic casing, described second breaker of plastic casing, described 3rd breaker of plastic casing respectively.
3. a kind of uninterrupted power supply distribution transformer three-phase load unbalance adjuster according to claim 2, it is characterized in that: described switch full-control type thyristor comprises the first switch full-control type thyristor, second switch full-control type thyristor, 3rd switch full-control type thyristor, described first switch full-control type thyristor, described second switch full-control type thyristor, described 3rd switch full-control type thyristor respectively with described first A.C. contactor, described second A.C. contactor, described 3rd A.C. contactor is also connected in circuit, described first switch full-control type thyristor, described second switch full-control type thyristor, PLC described in the public input termination of described 3rd switch full-control type thyristor, public output connects 220V power end.
4. a kind of uninterrupted power supply distribution transformer three-phase load unbalance adjuster according to claim 1, it is characterized in that: described residual current operated protective device intelligent monitor system comprises residual current transformer, electric power mutual-inductor, residual current monitoring device, wireless communication apparatus, alarm protecting apparatus, described residual current transformer connection transformer outlet terminal earth connection, described electric power mutual-inductor connection transformer outlet terminal live wire, described residual current monitoring device connects described residual current transformer respectively, described electric power mutual-inductor, described wireless communication apparatus, described alarm protecting apparatus, described wireless communication apparatus is by GPRS network Connection Service platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520685973.3U CN205141695U (en) | 2015-09-06 | 2015-09-06 | Uninterrupted power supply distribution transformer three -phase unbalanced load regulator |
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| CN201520685973.3U CN205141695U (en) | 2015-09-06 | 2015-09-06 | Uninterrupted power supply distribution transformer three -phase unbalanced load regulator |
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| CN205141695U true CN205141695U (en) | 2016-04-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907740A (en) * | 2019-12-12 | 2020-03-24 | 云南电网有限责任公司临沧供电局 | Automatic commutation equipment detection device and method based on PWM converter |
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2015
- 2015-09-06 CN CN201520685973.3U patent/CN205141695U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907740A (en) * | 2019-12-12 | 2020-03-24 | 云南电网有限责任公司临沧供电局 | Automatic commutation equipment detection device and method based on PWM converter |
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