CN203504005U - Intelligent voltage-adjustable power transformation and distribution device - Google Patents

Intelligent voltage-adjustable power transformation and distribution device Download PDF

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Publication number
CN203504005U
CN203504005U CN201320676469.8U CN201320676469U CN203504005U CN 203504005 U CN203504005 U CN 203504005U CN 201320676469 U CN201320676469 U CN 201320676469U CN 203504005 U CN203504005 U CN 203504005U
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CN
China
Prior art keywords
voltage
transformer
low
intelligent
load
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Expired - Fee Related
Application number
CN201320676469.8U
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Chinese (zh)
Inventor
姚良铸
黄峰铭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Quanzhou Power Supply Co of State Grid Fujian Electric Power Co Ltd
Quanzhou Yixing Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Quanzhou Power Supply Co of State Grid Fujian Electric Power Co Ltd
Quanzhou Yixing Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, State Grid Fujian Electric Power Co Ltd, Quanzhou Power Supply Co of State Grid Fujian Electric Power Co Ltd, Quanzhou Yixing Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201320676469.8U priority Critical patent/CN203504005U/en
Application granted granted Critical
Publication of CN203504005U publication Critical patent/CN203504005U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

An intelligent voltage-adjustable power transformation and distribution device includes a transformer and a low-voltage power distribution cabinet; a low-voltage outgoing end surface of the transformer abuts against the back surface or a side surface of the low-voltage power distribution cabinet; a compensation device, a metering device, a circuit breaker and a control terminal are mounted inside the low-voltage power distribution cabinet; a transformer shell is provided with an on-load voltage regulating switch and an operation control apparatus thereof; a plurality sets of coils are connected in series with one another so as to form a transformer high-voltage winding; each set of coil is provided with a respective coil tap; and the coil taps are connected with end heads which are connected into the on-load voltage regulating switch and are adopted as regulating gears of the on-load voltage regulating switch. With the intelligent voltage-adjustable power transformation and distribution device of the utility model adopted, transformer voltage can be adjusted automatically according to load changes; the continuity of power supply and the stability of output voltage can be ensured; electric energy loss of a power grid can be greatly reduced; power supply quality can be improved; the service life of equipment can be prolonged; and conditions can be created for economic operation and power grid dispatching automation. The intelligent voltage-adjustable power transformation and distribution device is advantageous in small occupied space, convenient installation and repair and safe and reliable operation, and can assist in effectively preventing electricity stealing, and better facilitating the intelligent and automated monitoring and management of an electric power system.

Description

A kind of intelligent pressure-adjustable becomes power distribution equipment
Technical field
The utility model relates to a kind of power equipment, and particularly a kind of intelligent pressure-adjustable becomes power distribution equipment.
Background technology
Transformer and low-tension distribution box are widely used in electric power system, in prior art, distribution, metering, compensation, wireless transmission are completed by different equipment respectively, not only construct loaded down with trivial details, high material consumption, and can not monitoring and metering equipment running status, cannot electricity theft prevention, safety in operation and poor reliability.
In electric power course of conveying, loss for fear of supply line, to be sent to end with higher voltage, it is user side, the power consumption equipment of end is usually in higher than working under rated voltage state, not only caused the waste of electric power, also can seriously shorten the useful life of equipment, on the other hand, in order to guarantee during peak of power consumption, in the situation that user side voltage declines to some extent, equipment still can normally move, usually by the output voltage design of supply transformer higher than rated voltage, but the problem of simultaneously bringing is after peak times of power consumption, there is again overvoltage power supply, cause waste.The loss of power consumption equipment mainly contains copper loss and iron loss two parts, and total losses value while being minimum running status near rated voltage.Therefore, often keeping transformer output voltage qualified, make each electric equipment often operate in rated voltage situation, is economical rationality the most.Present stage, transformer can not be adjusted load side change in voltage according to ruuning situation under electriferous state, easily causes step down side voltage fluctuation larger, has affected power supply quality; And existing transformer mostly adopts silicon steel sheet to make iron core, no-load loss large, energy-saving effect is undesirable.
Therefore, design a kind of both convenient installation and maintenance, effective electricity theft prevention again, assurance safe and reliable operation, be easy to observe simultaneously, analyze and transmission data, and it is very necessary under transformer live state, to carry out according to payload the transformer of voltage-regulation.
Utility model content
Main purpose of the present utility model is the shortcoming that overcomes prior art, provide a kind of transformer voltage of realizing automatically to adjust according to load variations, improve the continuity of power supply and the stability of output voltage, greatly reduce electric energy loss, improve power supply quality, and be convenient to installation and maintenance, safe and reliable to operation, and effective electricity theft prevention, the intelligent automation monitoring of the electric power system of being more convenient for and the intelligent pressure-adjustable of management become power distribution equipment.
The utility model adopts following technical scheme:
A kind of intelligent pressure-adjustable becomes power distribution equipment, include transformer and low-voltage distribution cabinet, described transformer includes transformer shell, be arranged on the iron core in transformer shell and be nested with the high pressure winding on iron core, low pressure winding, the low-pressure line-outgoing end face of described transformer arranges near the back side or the side of low-voltage distribution cabinet, compensation arrangement is also installed in low-voltage distribution cabinet, metering device, circuit breaker and control terminal, the low-pressure line-outgoing end of transformer connects with the end of incoming cables of compensation arrangement by inlet wire bus-bar, the leading-out terminal of compensation arrangement connects with the end of incoming cables of circuit breaker by outlet bus-bar, be connected in control terminal simultaneously, described metering device is arranged on inlet wire bus-bar, on described transformer shell, be provided with on-load voltage regulating switch and operating control device thereof, high pressure winding consists of at least two group coil tandems, each is organized coil and all has coil tap separately, and each coil tap connects access on-load voltage regulating switch as the termination of each regulation stall of on-load voltage regulating switch.
Further, described compensation arrangement includes load-break switch and Intelligent integration power condenser, the low-pressure line-outgoing end of described transformer connects with the end of incoming cables of load-break switch by inlet wire bus-bar, the leading-out terminal of load-break switch connects with the end of incoming cables of circuit breaker by outlet bus-bar, and connects with Intelligent integration power condenser and control terminal respectively.
Further, described metering device includes the current transformer being arranged on inlet wire bus-bar.
Further, the iron core that described winding is nested with is amorphous alloy iron core.
From the above-mentioned description to utility model, compared with prior art, the utlity model has following beneficial effect:
First, by regulating on-load voltage regulating switch, make the voltage ratio of transformer change and change output voltage, can realize operating transformer voltage adjusts automatically according to load variations, substitute conventional artificial power failure adjustment, can guarantee the continuity of power supply and the stability of output voltage, thereby can significantly improve power supply quality, for economical operation, extension device useful life and power network schedule automation create conditions;
The second, adopt transformer with amorphous alloy made iron core, no-load loss significantly reduces, and greatly reduces the electric energy loss of electrical network, and operation noise is low, and floor space is little, and it is very convenient to install and use;
The 3rd, transformer, batch meter, compensation box, distribution box are integrated in a device, primary element, exposed live part are all isolated, reduced a large amount of linear quadratic control elements and between connection, not only simple for structure, can reduce and take up room, save material and cost, and installation and maintenance are convenient, safe and reliable to operation, and effective electricity theft prevention, be easy to monitoring, observe, analyze and transmission data, intelligent automation monitoring and the management of the electric power system of being more convenient for.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the utility model embodiment;
Fig. 2 is the utility model embodiment load tap changer wiring schematic diagram while carrying out on-load voltage regulation.
In figure: 1. transformer, 2. low-voltage distribution cabinet, 3. circuit breaker, 4. control terminal, 5. load-break switch, 6. Intelligent integration power condenser, 7. transformer low voltage leading-out terminal, 8. inlet wire bus-bar, 9. outlet bus-bar, 10. current transformer, 11. on-load voltage regulating switchs, 12. operating control devices.
Embodiment
Below by embodiment, the utility model will be further described.
See figures.1.and.2, a kind of intelligent pressure-adjustable of the present utility model becomes power distribution equipment, include transformer 1 and low-voltage distribution cabinet 2, described transformer 1 includes transformer shell, be arranged on the iron core in transformer shell and be nested with the high pressure winding on iron core, low pressure winding, the low-pressure line-outgoing end face of described transformer 1 arranges near the back side or the side of low-voltage distribution cabinet 2, compensation arrangement is also installed in low-voltage distribution cabinet 2, metering device, circuit breaker 3 and control terminal 4, described compensation arrangement includes load-break switch 5 and Intelligent integration power condenser 6, transformer low voltage leading-out terminal 7 connects with the end of incoming cables of load-break switch 5 by inlet wire bus-bar 8, the leading-out terminal of load-break switch 5 connects with the end of incoming cables of circuit breaker 3 by outlet bus-bar 9, and connect with Intelligent integration power condenser 6 and control terminal 4 respectively, described metering device includes the current transformer 10 being arranged on inlet wire bus-bar 8.
See figures.1.and.2, on described transformer shell, be provided with on-load voltage regulating switch 11 and operating control device 12 thereof, high pressure winding consists of 8 groups of coil tandems, each is organized coil and all has coil tap separately, and each coil tap connects access on-load voltage regulating switch 11 as the termination of 8 regulation stalls of on-load voltage regulating switch 11.The iron core that described winding is nested with is amorphous alloy iron core.
Above are only an embodiment of the present utility model, but design concept of the present utility model is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the utility model, equal 9 should belong to the behavior of invading the utility model protection range.

Claims (4)

1. an intelligent pressure-adjustable becomes power distribution equipment, include transformer and low-voltage distribution cabinet, described transformer includes transformer shell, be arranged on the iron core in transformer shell and be nested with the high pressure winding on iron core, low pressure winding, it is characterized in that: the low-pressure line-outgoing end face of described transformer arranges near the back side or the side of low-voltage distribution cabinet, compensation arrangement is also installed in low-voltage distribution cabinet, metering device, circuit breaker and control terminal, the low-pressure line-outgoing end of transformer connects with the end of incoming cables of compensation arrangement by inlet wire bus-bar, the leading-out terminal of compensation arrangement connects with the end of incoming cables of circuit breaker by outlet bus-bar, be connected in control terminal simultaneously, described metering device is arranged on inlet wire bus-bar, on described transformer shell, be provided with on-load voltage regulating switch and operating control device thereof, high pressure winding consists of at least two group coil tandems, each is organized coil and all has coil tap separately, and each coil tap connects access on-load voltage regulating switch as the termination of each regulation stall of on-load voltage regulating switch.
2. a kind of intelligent pressure-adjustable as claimed in claim 1 becomes power distribution equipment, it is characterized in that: described compensation arrangement includes load-break switch and Intelligent integration power condenser, the low-pressure line-outgoing end of described transformer connects with the end of incoming cables of load-break switch by inlet wire bus-bar, the leading-out terminal of load-break switch connects with the end of incoming cables of circuit breaker by outlet bus-bar, and connects with Intelligent integration power condenser and control terminal respectively.
3. a kind of intelligent pressure-adjustable as claimed in claim 1 becomes power distribution equipment, it is characterized in that: described metering device includes the current transformer being arranged on inlet wire bus-bar.
4. a kind of intelligent pressure-adjustable as claimed in claim 1 becomes power distribution equipment, it is characterized in that: the iron core that described winding is nested with is amorphous alloy iron core.
CN201320676469.8U 2013-10-29 2013-10-29 Intelligent voltage-adjustable power transformation and distribution device Expired - Fee Related CN203504005U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320676469.8U CN203504005U (en) 2013-10-29 2013-10-29 Intelligent voltage-adjustable power transformation and distribution device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320676469.8U CN203504005U (en) 2013-10-29 2013-10-29 Intelligent voltage-adjustable power transformation and distribution device

Publications (1)

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CN203504005U true CN203504005U (en) 2014-03-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114172035A (en) * 2021-12-08 2022-03-11 安徽广远智能电力装备制造有限公司 Intelligent automatic voltage-boosting transformer without power failure of high-voltage line and control method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114172035A (en) * 2021-12-08 2022-03-11 安徽广远智能电力装备制造有限公司 Intelligent automatic voltage-boosting transformer without power failure of high-voltage line and control method thereof

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20140326

Termination date: 20211029