CN202856375U - Low voltage reactive compensation device - Google Patents
Low voltage reactive compensation device Download PDFInfo
- Publication number
- CN202856375U CN202856375U CN 201220545465 CN201220545465U CN202856375U CN 202856375 U CN202856375 U CN 202856375U CN 201220545465 CN201220545465 CN 201220545465 CN 201220545465 U CN201220545465 U CN 201220545465U CN 202856375 U CN202856375 U CN 202856375U
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- China
- Prior art keywords
- voltage reactive
- low
- low voltage
- switch
- signal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
Abstract
The utility model belongs to the technical field of power supply system control, and provides a low voltage reactive compensation device, comprising a housing, wherein inside the housing there is provided a fuse knife switch connected with an external power grid, the fuse knife switch is connected with a capacitor set, between the fuse knife switch and the capacitor set there is provided an integrated measurement and control apparatus, the integrated measurement and control apparatus comprises a signal collection unit used for collecting the voltage and current signals of the external power grid, and a central processor used for receiving the signals of the signal collection unit and emitting a switching signal to the capacitor set. The integrated measurement and control apparatus analyzes sampling signals and a predetermined program and compares the sampling signals with the predetermined program, such that the low voltage reactive compensation device emits an instruction to switch the capacitor set, thereby being small in switching current, good in compensation effect, low in power consumption, convenient in maintenance, long in service life and high in reliability, and satisfying the demands for the low voltage reactive compensation apparatus, of the power supply system.
Description
Technical field
The utility model belongs to power supply system control technology field, relates in particular to a kind of low-voltage reactive compensator capable.
Background technology
Low-voltage reactive compensator capable can improve the power factor of power supply system, reduces line loss, stable power-supplying voltage, efficient and the reliability of raising power supply system.
The problems such as existing low-voltage reactive compensator capable exists that capacitor switching shoves greatly, the capacitor high temperature explosive is fried, power consumption is large, the proof voltage rush of current is low and the contactor power factor controller is fragile, cause the low-voltage reactive compensator capable maintenance frequent, had a strong impact on normal production.
The utility model content
The purpose of this utility model is to provide a kind of low-voltage reactive compensator capable, and existing low-voltage reactive compensator capable is fragile, maintenance is frequent to solve, and has had a strong impact on the technical problem of normal production.
The utility model is to realize like this, low-voltage reactive compensator capable, comprise housing, described enclosure interior is provided with the switch with knifeshaped fuse that links to each other with external electrical network, described switch with knifeshaped fuse links to each other with the capacitor group, be provided with synthesis observe and control device between described switch with knifeshaped fuse and the described capacitor group, described synthesis observe and control device comprises for the signal gathering unit of the voltage and current signal that gathers external electrical network and is used for the central processing unit that receives the signal of described signal gathering unit and described capacitor group is sent the switching signal.
As a kind of improvement, described synthesis observe and control device also comprises the CAN field-bus interface.
As further improvement, described housing bottom is provided with ventilating opening.
The low-voltage reactive compensator capable that the utility model provides, owing to be provided with synthesis observe and control device between described switch with knifeshaped fuse and the described capacitor group, thereby synthesis observe and control device according to sampled signal and preset program analysis relatively sends the instruction opening-closing capacitor bank, and switching shoves little, compensation effect is good, low in energy consumption, easy to maintenance, long service life, reliability is high, has satisfied the requirement of power supply system to low-voltage reactive compensator capable.
Because described synthesis observe and control device also comprises the CAN field-bus interface, thereby can realize remote data transmission.
Because described housing bottom is provided with ventilation hole, thereby can make low-voltage reactive compensator capable obtain good ventilation and heat, avoided the aging of enclosure interior device, prolonged useful life.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Among the figure, 1, housing, 11, ventilation hole, 2, switch with knifeshaped fuse, 3, the capacitor group, 4, synthesis observe and control device, 41, signal gathering unit, 42, central processing unit, 43, the CAN field-bus interface.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As shown in Figure 1, low-voltage reactive compensator capable, comprise housing 1, housing 1 bottom is provided with ventilating opening 11, housing 1 inside is provided with the switch with knifeshaped fuse 2 that links to each other with external electrical network, switch with knifeshaped fuse 2 links to each other with capacitor group 3, be provided with synthesis observe and control device 4 between switch with knifeshaped fuse 2 and the capacitor group 3, synthesis observe and control device 4 comprises for the signal gathering unit 41 of the voltage and current signal that gathers external electrical network and is used for receiving the signal of signal gathering unit 41 and capacitor group 3 is sent the central processing unit 42 of switching signal that synthesis observe and control device 4 also comprises CAN field-bus interface 43.
The low-voltage reactive compensator capable that the utility model provides, owing to be provided with synthesis observe and control device 4 between switch with knifeshaped fuse 2 and the capacitor group 3, thereby the central processing unit 42 of synthesis observe and control device 4 compares according to sampled signal and the preset program analysis of signal gathering unit 41, send instruction opening-closing capacitor bank 3, capacitor group 3 can be between 10-1000Kvar combination in any, switching shoves little, compensation effect is good, low in energy consumption, easy to maintenance, long service life, reliability is high, has satisfied the requirement of power supply system to low-voltage reactive compensator capable.
Because synthesis observe and control device 4 also comprises CAN field-bus interface 43, thereby can realize remote data transmission.
Because housing 1 bottom is provided with ventilation hole 11, thereby can make low-voltage reactive compensator capable obtain good ventilation and heat, avoided the aging of enclosure interior device, prolonged useful life.
For the ease of understanding, the following operation principle that has provided the low-voltage reactive compensator capable that the utility model provides:
Switch with knifeshaped fuse 2 is after putting into operation, and the central processing unit 42 of synthesis observe and control device 4 compares according to sampled signal and the preset program analysis of signal gathering unit 41, sends instruction opening-closing capacitor bank 3.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (3)
1. low-voltage reactive compensator capable, comprise housing, described enclosure interior is provided with the switch with knifeshaped fuse that links to each other with external electrical network, described switch with knifeshaped fuse links to each other with the capacitor group, it is characterized in that, be provided with synthesis observe and control device between described switch with knifeshaped fuse and the described capacitor group, described synthesis observe and control device comprises for the signal gathering unit of the voltage and current signal that gathers external electrical network and is used for the central processing unit that receives the signal of described signal gathering unit and described capacitor group is sent the switching signal.
2. low-voltage reactive compensator capable according to claim 1 is characterized in that, described synthesis observe and control device also comprises the CAN field-bus interface.
3. low-voltage reactive compensator capable according to claim 1 and 2 is characterized in that, described housing bottom is provided with ventilating opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220545465 CN202856375U (en) | 2012-10-23 | 2012-10-23 | Low voltage reactive compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220545465 CN202856375U (en) | 2012-10-23 | 2012-10-23 | Low voltage reactive compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202856375U true CN202856375U (en) | 2013-04-03 |
Family
ID=47987533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220545465 Expired - Fee Related CN202856375U (en) | 2012-10-23 | 2012-10-23 | Low voltage reactive compensation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202856375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104448990A (en) * | 2014-12-26 | 2015-03-25 | 苏州菲斯特电力科技有限公司 | Low-pressure dynamic reactive power compensation device |
-
2012
- 2012-10-23 CN CN 201220545465 patent/CN202856375U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104448990A (en) * | 2014-12-26 | 2015-03-25 | 苏州菲斯特电力科技有限公司 | Low-pressure dynamic reactive power compensation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20141023 |
|
| EXPY | Termination of patent right or utility model |