CN103354360A - Low-voltage complete reactive power compensation device - Google Patents
Low-voltage complete reactive power compensation device Download PDFInfo
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- CN103354360A CN103354360A CN2013102023357A CN201310202335A CN103354360A CN 103354360 A CN103354360 A CN 103354360A CN 2013102023357 A CN2013102023357 A CN 2013102023357A CN 201310202335 A CN201310202335 A CN 201310202335A CN 103354360 A CN103354360 A CN 103354360A
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- cabinet
- reactive power
- mounting panel
- capacitance compensation
- fuse
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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 invention discloses a low-voltage complete reactive power compensation device, which comprises a cabinet body and an insulating support, wherein the cabinet body is internally provided with a circuit breaker, a controller and one than one capacitance compensation circuit, wherein the circuit breaker is connected with a power grid through a copper bar, an output end of the circuit breaker is connected with the capacitance compensation circuits, an input end of the controller is connected with a power factor controller button, an output end is connected with a switching switch, the capacitance compensation circuit comprises a fuse, a switching switch and a reactive power automatic compensation capacitor which are sequentially connected, and the a disconnecting switch of a fuse set is connected with the fuse. The insulating support is in the shape of grids and used for placing components and circuits in the cabinet body. The low-voltage complete reactive power compensation device is simple in structure and orderly in wiring, and can adjust reactive current of the capacitor along with variations in load. The device disclosed by the invention is long in service life, and convenient in maintenance and installation.
Description
Technical field
The present invention relates to a kind of grid equipment, relate in particular to a kind of low-pressure reactive power compensating device assemblies.
Background technology
Existing low-voltage reactive power compensation device complex structure, winding displacement is unordered in a jumble, be unfavorable for that personnel overhaul installation, and its work relies on traditional contactor action and realizes switched capacitor, can not be with the reactive current of load variations regulating capacitor, owe benefit and cross the benefit phenomenon to exist simultaneously, overvoltage occurs easily, send reactive power, switching processing ease to produce overvoltage and inrush phenomenon to electrical network.
Summary of the invention
For overcoming existing low-voltage reactive power compensation device complex structure, winding displacement is unordered in a jumble, be unfavorable for that personnel overhaul installation, and can not be effectively with the reactive current of load variations regulating capacitor, the invention provides a kind of low-pressure reactive power compensating device assemblies, its winding displacement is neat, and is simple in structure, can be with the reactive current of load variations regulating capacitor.
The technical solution used in the present invention is: low-pressure reactive power compensating device assemblies, comprise: cabinet: its front end arranges dodge gate, door is provided with the isolating switch of fuse group, universal seclector and power factor controller button, circuit breaker is set in the cabinet, controller and more than one capacitance compensation loop, circuit breaker connects electrical network by copper bar, its output is connected with each capacitance compensation loop respectively, the input of controller connects the power factor controller button, output connects fling-cut switch, described capacitance compensation loop comprises the fuse that connects in turn, fling-cut switch and reactive power automatic compensation capacitor, the isolating switch of fuse group connects fuse; Insulated support: comprise crossbeam, the mounting panel more than two and the supporting shelf more than two, mounting panel is vertically set in the cabinet; Crossbeam is horizontally fixed on the top of mounting panel, the affixed cabinet inwall in its two ends; Supporting shelf is horizontally set between adjacent mounting panel, and its two ends and mounting panel are affixed, be arranged in parallel between the adjacent supporting shelf; Be provided with the main bus bar mounting panel between aforementioned crossbeam and the cabinet top, in order to three class F insulation bus clips, zero line insulated bus bar clamp to be installed; Aforementioned supporting shelf is used for placing capacitance compensation loop, and a slice supporting shelf is placed a capacitance compensation loop, and described fling-cut switch adopts the thuristor throw-in and throw-off switch.
By controller Real-time Collection electrical network situation, and the signal after will processing is conducted into the fling-cut switch in the capacitance compensation loop, owing to adopt thyristor as fling-cut switch, be noncontacting switch, zero passage voltage point switching can not produce very large impulse current, and the lattice-shaped structure of insulated support, so that the discharging of circuit is in good order in the cabinet, can be very clear to each circuit after the person that makes the installation and repairing opens cabinet, easy access is installed.
For further facilitating maintenance, the junction at described dodge gate top and cabinet top is for being hinged.This connected mode realizes opening without the dead angle when door is opened.
For improving the ventilation and heat function of cabinet, also be provided with fan electromotor in the described cabinet.Forced ventilation can be controlled the temperature in the cabinet preferably, thus the useful life of extension fixture.
Advantage of the present invention is: simple in structure, winding displacement is orderly, can with the reactive current of load variations regulating capacitor, the long service life of device, overhaul easy for installation.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the left view of Fig. 1.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing.
Shown in Fig. 1-2, the present invention includes:
Cabinet 1: its front end arranges dodge gate 2, door is provided with the isolating switch 3 of fuse group, universal seclector 4 and power factor controller button 5, the cabinet 1 interior circuit breaker that arranges, controller and more than one capacitance compensation loop, circuit breaker connects electrical network by copper bar, its output is connected with each capacitance compensation loop respectively, the input of controller connects the power factor controller button, output connects fling-cut switch, described capacitance compensation loop comprises the fuse that connects in turn, fling-cut switch and reactive power automatic compensation capacitor, the isolating switch of fuse group connects fuse;
Insulated support: comprise crossbeam 6, the mounting panel more than two 7 and the supporting shelf more than two 8, mounting panel 7 is vertically set in the cabinet 1; Crossbeam 6 is horizontally fixed on the top of mounting panel 7, affixed cabinet 1 inwall in its two ends; Supporting shelf 8 is horizontally set on 7 of adjacent mounting panels, and its two ends and mounting panel 7 are affixed, be arranged in parallel between the adjacent supporting shelf 8; Be provided with main bus bar mounting panel 9 between aforementioned crossbeam 6 and cabinet 1 top, in order to three class F insulation bus clips 10, zero line insulated bus bar clamp 11 to be installed; Aforementioned supporting shelf 8 is used for placing capacitance compensation loop, and a slice supporting shelf 8 is placed a capacitance compensation loop, and described fling-cut switch adopts the thuristor throw-in and throw-off switch.
By controller Real-time Collection electrical network situation, and the signal after will processing is conducted into the fling-cut switch in the capacitance compensation loop, owing to adopt thyristor as fling-cut switch, be noncontacting switch, zero passage voltage point switching can not produce very large impulse current, and the lattice-shaped structure of insulated support, so that the discharging of circuit is in good order in the cabinet, can be very clear to each circuit after the person that makes the installation and repairing opens cabinet, easy access is installed.
The junction at described dodge gate 2 tops and cabinet 1 top is for being hinged.This connected mode realizes opening without the dead angle when door is opened, convenient maintenance.
Also be provided with fan electromotor 12 in the described cabinet 1.Forced ventilation has improved the ventilation and heat function of cabinet, can control preferably the temperature in the cabinet, thus the useful life of extension fixture.
The present invention is simple in structure, winding displacement is orderly, can with the reactive current of load variations regulating capacitor, the long service life of device, overhaul easy for installation.
Claims (3)
1. low-pressure reactive power compensating device assemblies is characterized in that, comprising:
Cabinet: its front end arranges dodge gate, door is provided with the isolating switch of fuse group, universal seclector and power factor controller button, circuit breaker is set in the cabinet, controller and more than one capacitance compensation loop, circuit breaker connects electrical network by copper bar, its output is connected with each capacitance compensation loop respectively, the input of controller connects the power factor controller button, output connects fling-cut switch, described capacitance compensation loop comprises the fuse that connects in turn, fling-cut switch and reactive power automatic compensation capacitor, the isolating switch of fuse group connects fuse;
Insulated support: comprise crossbeam, the mounting panel more than two and the supporting shelf more than two, mounting panel is vertically set in the cabinet; Crossbeam is horizontally fixed on the top of mounting panel, the affixed cabinet inwall in its two ends; Supporting shelf is horizontally set between adjacent mounting panel, and its two ends and mounting panel are affixed, be arranged in parallel between the adjacent supporting shelf;
Be provided with the main bus bar mounting panel between aforementioned crossbeam and the cabinet top, in order to three class F insulation bus clips, zero line insulated bus bar clamp to be installed; Aforementioned supporting shelf is used for placing capacitance compensation loop, and a slice supporting shelf is placed a capacitance compensation loop, and described fling-cut switch adopts the thuristor throw-in and throw-off switch.
2. low-pressure reactive power compensating device assemblies according to claim 1 is characterized in that, the junction at described dodge gate top and cabinet top is for being hinged.
3. low-pressure reactive power compensating device assemblies according to claim 2 is characterized in that, also is provided with fan electromotor in the described cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310202335.7A CN103354360B (en) | 2013-05-28 | 2013-05-28 | Low-pressure reactive power compensating device assemblies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310202335.7A CN103354360B (en) | 2013-05-28 | 2013-05-28 | Low-pressure reactive power compensating device assemblies |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103354360A true CN103354360A (en) | 2013-10-16 |
| CN103354360B CN103354360B (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310202335.7A Expired - Fee Related CN103354360B (en) | 2013-05-28 | 2013-05-28 | Low-pressure reactive power compensating device assemblies |
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| CN (1) | CN103354360B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618320A (en) * | 2013-11-25 | 2014-03-05 | 合肥徽力电气技术有限公司 | Static synchronous reactive compensation device |
| CN107845970A (en) * | 2017-12-13 | 2018-03-27 | 环宇集团（南京）有限公司 | Low-voltage reactive power compensation device and equipment |
| CN111668738A (en) * | 2020-07-04 | 2020-09-15 | 华翔翔能科技股份有限公司 | Fixed low-voltage cabinet of cutting apart of main circuit isolator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437528A (en) * | 2012-01-16 | 2012-05-02 | 能科节能技术股份有限公司 | Cabinet body of modularized drawer-type low-voltage reactive compensation device |
| CN202856361U (en) * | 2012-04-05 | 2013-04-03 | 上海恒尔科技有限公司 | Dynamic harmonic wave resistant reactive compensator |
| CN203301160U (en) * | 2013-05-28 | 2013-11-20 | 环宇集团（南京）有限公司 | Low voltage integrated reactive power compensation device |
-
2013
- 2013-05-28 CN CN201310202335.7A patent/CN103354360B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437528A (en) * | 2012-01-16 | 2012-05-02 | 能科节能技术股份有限公司 | Cabinet body of modularized drawer-type low-voltage reactive compensation device |
| CN202856361U (en) * | 2012-04-05 | 2013-04-03 | 上海恒尔科技有限公司 | Dynamic harmonic wave resistant reactive compensator |
| CN203301160U (en) * | 2013-05-28 | 2013-11-20 | 环宇集团（南京）有限公司 | Low voltage integrated reactive power compensation device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618320A (en) * | 2013-11-25 | 2014-03-05 | 合肥徽力电气技术有限公司 | Static synchronous reactive compensation device |
| CN107845970A (en) * | 2017-12-13 | 2018-03-27 | 环宇集团（南京）有限公司 | Low-voltage reactive power compensation device and equipment |
| CN111668738A (en) * | 2020-07-04 | 2020-09-15 | 华翔翔能科技股份有限公司 | Fixed low-voltage cabinet of cutting apart of main circuit isolator |
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| Publication number | Publication date |
|---|---|
| CN103354360B (en) | 2015-12-16 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20160528 |