CN203339714U - Intelligent low-voltage reactive power compensation device - Google Patents
Intelligent low-voltage reactive power compensation device Download PDFInfo
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- CN203339714U CN203339714U CN2013204584633U CN201320458463U CN203339714U CN 203339714 U CN203339714 U CN 203339714U CN 2013204584633 U CN2013204584633 U CN 2013204584633U CN 201320458463 U CN201320458463 U CN 201320458463U CN 203339714 U CN203339714 U CN 203339714U
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- reactive power
- power compensation
- compensation
- compensation device
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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
- Y02E40/30—Reactive power compensation
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Abstract
The utility model relates to an intelligent low-voltage reactive power compensation device. The intelligent low-voltage reactive power compensation device comprises a comprehensive control device, a capacitive reactive power compensation device, an active and reactive watt-hour meter, a temperature sensor and a main switch which are installed inside a distribution box. The watt-hour meter is connected with the main switch, the main switch is connected with the comprehensive control device, the comprehensive control device is connected with the capacitive reactive power compensation device, and the temperature sensor is connected with the comprehensive control device. The reactive power compensation device comprises a reactive power compensation controller, and a delta-shape balanced capacitive compensation device, a Y-shaped unbalanced capacitive compensation device and a silicon controlled rectifier zero-crossing trigger device which are connected in parallel with the reactive power compensation controller. According to the utility model, advantages of simple and flexible control, convenient installation and convenient debugging can be realized, the power supply volume of the power grid can be improved, the electrical energy loss can be reduced, advantages of energy saving and consumption reducing can be realized, and the intelligent automated network distribution function can be realized.
Description
Technical field
The utility model relates to a kind of Intelligent Low-voltage Reactive Power Compensation Installation.
Background technology
At present, the 400V electrical network of the electricity consumer of China avenue resident and business carries out voltage transformation by the 10kv power transmission system at (comprising rural power grids), and is connected to often even two, 30 distribution transformers that amount of capacity does not wait of several or tens on a circuit.Yet, along with the raising of socioeconomic development and living standards of the people.Must make one side increase substantially at the electricity consumption of resident with regional. impelled the public transformer substation capacity in former zone to need to increase.Another side, because of significantly promoting the use of of its inductive load equipment, and be accompanied by the development of power electronic technology, intelligent control technology and ICT (information and communication technology), the continuing to bring out and being widely used of electric power (as the Frequency Conversion Modification of economizing on energy and electricity device), new equipment.To greatly reduce power supply quality: the increase of reactive loss, the decline of power factor, the generation of harmonic wave, etc.These underproof power delivery, turn over and will have influence on the normal operation of user power utilization equipment.When serious, can cause power consumption equipment to damage, to the user, bring loss; Also can make electric equipment supplementary load loss and the heatings such as motor, transformer, electronic devices and components, device temperature is raise, Efficiency Decreasing, insulation accelerated aging, reduction of service life, even damaged; The operating accuracy of relaying protection, control and the checkout gear of reduction electricity supply and use equipment and reliability etc.
Summary of the invention
It is simple that the technical problems to be solved in the utility model is to provide a kind of control, and flexibly, Installation and Debugging are convenient, improve the effective amount of power supply of electrical network, reduce energy loss, energy-saving and cost-reducing Intelligent Low-voltage Reactive Power Compensation Installation.
For addressing the above problem, the utility model adopts following technical scheme:
A kind of Intelligent Low-voltage Reactive Power Compensation Installation of the present utility model, comprise the composite control apparatus that is arranged on distributing box inside, the capacitance reactive compensation device, the activereactive energy table, temperature sensor and main switch, described electric energy meter is connected with main switch, described main switch connects composite control apparatus, described composite control apparatus connects the capacitance reactive compensation device, described temperature sensor is connected with composite control apparatus, described reactive power compensator comprises idle compensating control, and the △ shape balancing capacitance be connected to side by side on idle compensating control compensates, the uneven capacitance compensation of Y shape and silicon control zero-cross trigger.
As preferred technical scheme, described silicon control zero-cross triggers end and is connected with the compensation of △ shape balance inductance.
As preferred technical scheme, described △ shape is balanced compensated to be consisted of the three-phase capacitor delta connection.
As preferred technical scheme, the uneven capacitance compensation of described Y shape is comprised of A, B, C single-phase electricity container wye connection.
As preferred technical scheme, described △ shape balance induction reactance compensation is comprised of three-phase inductor triangular form connection.
The beneficial effect of a kind of Intelligent Low-voltage Reactive Power Compensation Installation of the present utility model is: the utility model is controlled simple, and flexibly, Installation and Debugging are convenient, improve grid supply quality, reduce energy loss, energy-saving and cost-reducing, and can realize intelligent automation distribution function.
The accompanying drawing explanation
For ease of explanation, the utility model is described in detail by following specific embodiment and accompanying drawing.
The structural representation that Fig. 1 is a kind of Intelligent Low-voltage Reactive Power Compensation Installation of the present utility model;
The block diagram that Fig. 2 is reactive power compensator of the present utility model.
Embodiment
Consult shown in Fig. 1 and Fig. 2, a kind of Intelligent Low-voltage Reactive Power Compensation Installation of the present utility model, comprise the composite control apparatus that is arranged on distributing box inside, the capacitance reactive compensation device, the activereactive energy table, temperature sensor and main switch, described electric energy meter is connected with main switch, described main switch connects composite control apparatus, described composite control apparatus connects the capacitance reactive compensation device, described temperature sensor is connected with composite control apparatus, described reactive power compensator comprises idle compensating control, and the △ shape balancing capacitance be connected to side by side on idle compensating control compensates, the uneven capacitance compensation of Y shape and silicon control zero-cross trigger.
A kind of optimal way of the present utility model, described silicon control zero-cross triggers end and is connected with the compensation of △ shape balance inductance, in described △ shape balance inductance compensation, the fine setting reactor has been installed, the inductance value of fine setting reactor is by silicon control zero-cross triggering and conducting technology, control the conducting amount, obtain various inductance value size.
A kind of optimal way of the present utility model, described △ shape is balanced compensated to be consisted of the three-phase capacitor delta connection, can carry out the reactive power compensation of staged balance, after the reactive power compensation of capacitor staged, obtain the minimum a kind of state mended of crossing of a staged, finally by the fine setting reactor, undertaken anti-phase balanced compensated, thereby eliminate ladder, reach best reactive power compensation effect.
A kind of optimal way of the present utility model, the uneven capacitance compensation of described Y shape is comprised of A, B, C single-phase electricity container wye connection, by forming the Y connection capacitor, carries out the reactive power compensation of phase-splitting imbalance compensation.
The beneficial effect of a kind of Intelligent Low-voltage Reactive Power Compensation Installation of the present utility model is: the utility model is controlled simple, and flexibly, Installation and Debugging are convenient, improve the mains supply amount, reduce energy loss, energy-saving and cost-reducing, and can realize intelligent automation distribution function.
The above, be only embodiment of the present utility model, but protection range of the present utility model is not limited to this, and any variation of expecting without creative work or replacement, within all should being encompassed in protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range that claims were limited.
Claims (5)
1. an Intelligent Low-voltage Reactive Power Compensation Installation, it is characterized in that: comprise the composite control apparatus that is arranged on distributing box inside, the capacitance reactive compensation device, the activereactive energy table, temperature sensor and main switch, described electric energy meter is connected with main switch, described main switch connects composite control apparatus, described composite control apparatus connects the capacitance reactive compensation device, described temperature sensor is connected with composite control apparatus, described reactive power compensator comprises idle compensating control, and the △ shape balancing capacitance be connected to side by side on idle compensating control compensates, the uneven capacitance compensation of Y shape and silicon control zero-cross trigger.
2. Intelligent Low-voltage Reactive Power Compensation Installation according to claim 1, is characterized in that: the compensation of described silicon control zero-cross triggering end connection △ shape balance inductance.
3. Intelligent Low-voltage Reactive Power Compensation Installation according to claim 1, it is characterized in that: described △ shape is balanced compensated to be consisted of the three-phase capacitor delta connection.
4. Intelligent Low-voltage Reactive Power Compensation Installation according to claim 1 is characterized in that: the uneven capacitance compensation of described Y shape is comprised of A, B, C single-phase electricity container wye connection.
5. Intelligent Low-voltage Reactive Power Compensation Installation according to claim 1 is characterized in that: described △ shape balance induction reactance compensation is comprised of three-phase inductor triangular form connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204584633U CN203339714U (en) | 2013-07-30 | 2013-07-30 | Intelligent low-voltage reactive power compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204584633U CN203339714U (en) | 2013-07-30 | 2013-07-30 | Intelligent low-voltage reactive power compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203339714U true CN203339714U (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013204584633U Expired - Fee Related CN203339714U (en) | 2013-07-30 | 2013-07-30 | Intelligent low-voltage reactive power compensation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104282132A (en) * | 2014-10-20 | 2015-01-14 | 国家电网公司 | Remote meter reading device applied to reactive field compensation of agricultural irrigation motor-pumped well and system of remote meter reading device |
-
2013
- 2013-07-30 CN CN2013204584633U patent/CN203339714U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104282132A (en) * | 2014-10-20 | 2015-01-14 | 国家电网公司 | Remote meter reading device applied to reactive field compensation of agricultural irrigation motor-pumped well and system of remote meter reading device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Fan Xing Lu Gaocheng Town, Yixing city of Jiangsu Province, Wuxi City, No. 8, 214257 Patentee after: Far East Electric Apparatus Co., Ltd. Address before: 214257 Jiangsu city of Nanjing province Yixing City fan Dao Zhen fan Xing Lu No. 8 Patentee before: JIANGSU KAOUEARN ELECTRICAL APPARATUS CO., LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Fan Xing Lu Gaocheng Town, Yixing city of Jiangsu Province, Wuxi City, No. 8, 214257 Patentee after: New Yineng Electrical Technology Co., Ltd. Address before: Fan Xing Lu Gaocheng Town, Yixing city of Jiangsu Province, Wuxi City, No. 8, 214257 Patentee before: Far East Electric Apparatus Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20200730 |