CN204835233U - Comprehensive block terminal of area compensation - Google Patents
Comprehensive block terminal of area compensation Download PDFInfo
- Publication number
- CN204835233U CN204835233U CN201520462796.2U CN201520462796U CN204835233U CN 204835233 U CN204835233 U CN 204835233U CN 201520462796 U CN201520462796 U CN 201520462796U CN 204835233 U CN204835233 U CN 204835233U
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- China
- Prior art keywords
- distribution box
- unit
- main line
- protection
- comprehensive
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- 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
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- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a comprehensive block terminal of area compensation, including the block terminal main line of connecting the block terminal inlet wire with be qualified for the next round of competitions, be equipped with inlet wire unit, measurement unit, control and protection unit, lightning protection and ground protection unit, reactive compensation unit on the block terminal main line. The utility model discloses a comprehensive block terminal of area compensation, simple structure, design benefit is equipped with measurement unit, control and protection unit, lightning protection and ground protection unit and reactive compensation unit in the block terminal, can effectively realize synthesizing the compensation function of block terminal, measures the block terminal, has anticreep, lightning protection and hits, and functions such as excess load automatic protection have fine practicality.
Description
Technical field
The utility model belongs to distribution box technical field, relates in particular to a kind of comprehensive distribution box with compensation.
Background technology
At present, comprehensive distribution box be by produce a kind of collect power distribution, metering, protect, be controlled in one control cabinet.Be widely used in transformer station, factory, industrial and mining enterprises, large power plant, oil, chemical enterprise, large-scale steel mill, skyscraper power center (PC), metering, the occasions such as power distribution.But this comprehensive distribution box does not have compensate function, user demand can't be met.
Utility model content
Goal of the invention: for the deficiencies in the prior art, the purpose of this utility model is to provide a kind of comprehensive distribution box with compensation, has compensate function, meets user demand.
Technical scheme: in order to realize foregoing invention object, the technical solution adopted in the utility model is:
With a comprehensive distribution box for compensation, comprise the distribution box main line connecting distribution box inlet wire and outlet, distribution box main line is provided with wire inlet unit, metering units, control and protection unit, lightning protection and ground protection unit, reactive compensation unit.
Described wire inlet unit is the fuse type disconnector of stube cable inlet wire and distribution box main line.
Described metering units is the electric energy meter be connected in parallel on main line, and electric energy meter is connected with concentrator.
Described control and protection unit is idle compensating control, to be connected in parallel on distribution box main line between current transformer and reactive compensation unit.
Described lightning protection and ground unit are be connected to Surge Protector on distribution box main line and lightning arrester.
Described reactive compensation unit comprises three road circuit, and the first via is the single-phase electricity container connected by combination switch, and the two or three road is the three-phase capacitor connected by combination switch, and three road circuit all connect into distribution box main line by breaker of plastic casing.
Described distribution box outlet is connected on distribution box main line by breaker of plastic casing, breaker of plastic casing band residual circuit action protection.
Beneficial effect: compared with prior art; the comprehensive distribution box that band of the present utility model compensates; structure is simple; design ingenious, in distribution box, be equipped with metering units, control and protection unit, lightning protection and ground protection unit and reactive compensation unit, effectively can realize the compensate function of comprehensive distribution box; distribution box is measured; have anticreep, anti-lightning strike, excess load such as to protect automatically at the function, has good practicality.
Accompanying drawing explanation
Fig. 1 is the structural representation of the comprehensive distribution box that band compensates.
Embodiment
Be described further the utility model below in conjunction with specific embodiment, this embodiment can make those skilled in the art's comprehend the utility model, but limits the utility model never in any form.
As shown in Figure 1, the comprehensive distribution box that band compensates, comprises casing, establishing electronic box main line in casing, design flow unit, control and protection unit, lightning protection and ground protection unit, reactive compensation unit on distribution box main line.
Distribution box main line one end stube cable inlet wire, one end stube cable outlet.Be connected with the wire inlet unit of distribution box main line after long cable section of ingoing line, wire inlet unit is fuse type disconnector 1RG, and the main line of fuse type disconnector 1RG rear end is established current transformer TA1, current transformer TA2.Current transformer TA1 is connected with the electric energy meter of metering units, and electric energy meter is connected with concentrator.Current transformer TA2 is connected with the idle compensating control BK of control and protection unit, and electric energy meter, idle compensating control BK all connect into distribution box main line.Breaker of plastic casing 2QF in parallel, breaker of plastic casing 3QF, breaker of plastic casing 4QF on distribution box main line; wherein; breaker of plastic casing 3QF, breaker of plastic casing 4QF are with aftercurrent action protecting, are connected with outgoing line unit, and breaker of plastic casing 2QF is connected with reactive compensation unit.Lightning protection and ground unit are the Surge Protector SPD be connected on distribution box main line, and the circuit that breaker of plastic casing 2QF is connected with reactive compensation unit is connected lightning arrester FB.Reactive compensation unit comprises three road circuit, and the first via is the single-phase electricity container C4 connected by combination switch FK1, and the second tunnel is the three-phase capacitor C3 connected by combination switch FK2, and the 3rd tunnel is the three-phase capacitor C1-C2 connected by combination switch FK3.
The comprehensive distribution box that this band compensates, for the current transformer of charging, precision should lower than 0.2S level.Electric energy meter should possess anti-stealing electricity function.Required precision: active electric energy meter be 1 grade and more than; Reactive energy-meter be 2 grades and more than.Electronic power meter should be adopted.Active electric energy meter should adopt single-phase measurement mode.Metering units is selected to have data acquisition, gathers calculating, stores, is had access to the comprehensive element with remote transmission function.Also should select the element installing all electric flux concentrated collection functions in administrative district simultaneously.
The control and protection unit of the comprehensive distribution box that this band compensates, line, except possessing the controlling functions of switching normal duty, also possesses the basic defencive function of the abnormal tripping operation such as overcurrent, overload.Possesses aftercurrent action protecting function.Transmission line circuit is no more than 4 tunnels.
The lightning protection of the comprehensive distribution box that this band compensates and ground unit, I class Surge Protector selected by lightning protection element, and its earth connection sectional area is not less than 6mm
2.Device metal shell can be used as the main earth electrode of device inside and outside portion ground connection, arranges common ground terminal.Earth terminal diameter is not less than 10mm, should be able to corrosion-resistant and oxidation, and has lasting, durable and obvious ground connection mark.Adopt the casing of SMC material, special earthing bar is housed.Between device gate and apparatus main body, and electric component is housed and between the panel of activity and apparatus main body, uses 6mm
2copper litz wire firmly connects.Resistance between itself and earth terminal is not more than 0.1 Ω.Apparatus main body is with the connection between each non-assembly welding parts (as frid etc.), no matter adopt screw, hinge or other any modes, the resistance between itself and earth terminal is not more than 0.1 Ω.During plant running, shell answers ground connection (metal shell).
The reactive compensation unit of the comprehensive distribution box that this band compensates, selects low value capacitor assembly, realizes meticulous compensation, prevent overcompensation.Possess overcurrent or the basic relaying configuration of quick-break.The voltage protection of dynamic compensation mode: protection act voltage is at least adjustable between 1.1 times ~ 1.2 times device rated voltages, when the overvoltage of device reaches set point, electric capacity all should excise immediately and refuse to drop into.Dynamic compensation composition element, selects the combination switch that thyristor throw-cut, contactor run.Low pressure self healing capacitor selected by capacitor.Capacitor can meet within 3min and control residual voltage at below 50V after excising in specified electrical network.
Claims (7)
1. the comprehensive distribution box with compensation; it is characterized in that: comprise the distribution box main line connecting distribution box inlet wire and outlet, distribution box main line is provided with wire inlet unit, metering units, control and protection unit, lightning protection and ground protection unit, reactive compensation unit.
2. the comprehensive distribution box of band compensation according to claim 1, is characterized in that: described wire inlet unit is the fuse type disconnector of stube cable inlet wire and distribution box main line.
3. the comprehensive distribution box of band compensation according to claim 1, is characterized in that: described metering units is the electric energy meter be connected in parallel on main line, and electric energy meter is connected with concentrator.
4. the comprehensive distribution box that compensates of band according to claim 1, is characterized in that: described control and protection unit is idle compensating control, to be connected in parallel on distribution box main line between current transformer and reactive compensation unit.
5. the comprehensive distribution box that compensates of band according to claim 1, is characterized in that: described lightning protection and ground unit are be connected to Surge Protector on distribution box main line and lightning arrester.
6. the comprehensive distribution box of band compensation according to claim 1, it is characterized in that: described reactive compensation unit comprises three road circuit, the first via is the single-phase electricity container connected by combination switch, two or three road is the three-phase capacitor connected by combination switch, and three road circuit all connect into distribution box main line by breaker of plastic casing.
7. the comprehensive distribution box of band compensation according to claim 1, is characterized in that: described distribution box outlet is connected on distribution box main line by breaker of plastic casing, breaker of plastic casing band residual circuit action protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520462796.2U CN204835233U (en) | 2015-07-01 | 2015-07-01 | Comprehensive block terminal of area compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520462796.2U CN204835233U (en) | 2015-07-01 | 2015-07-01 | Comprehensive block terminal of area compensation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204835233U true CN204835233U (en) | 2015-12-02 |
Family
ID=54692792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520462796.2U Expired - Fee Related CN204835233U (en) | 2015-07-01 | 2015-07-01 | Comprehensive block terminal of area compensation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204835233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017642A (en) * | 2017-04-01 | 2017-08-04 | 国家电网公司 | A kind of low-voltage comprehensive distribution box for improving power supplying efficiency |
-
2015
- 2015-07-01 CN CN201520462796.2U patent/CN204835233U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017642A (en) * | 2017-04-01 | 2017-08-04 | 国家电网公司 | A kind of low-voltage comprehensive distribution box for improving power supplying efficiency |
| CN107017642B (en) * | 2017-04-01 | 2023-09-01 | 国家电网公司 | Low-voltage comprehensive distribution box capable of improving power supply efficiency |
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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: 20151202 Termination date: 20190701 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |