CN2938505Y - Intelligent reactive compensation distribution box - Google Patents

Intelligent reactive compensation distribution box Download PDF

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Publication number
CN2938505Y
CN2938505Y CNU2006201189774U CN200620118977U CN2938505Y CN 2938505 Y CN2938505 Y CN 2938505Y CN U2006201189774 U CNU2006201189774 U CN U2006201189774U CN 200620118977 U CN200620118977 U CN 200620118977U CN 2938505 Y CN2938505 Y CN 2938505Y
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CN
China
Prior art keywords
intellectual
capacitor
reactive power
distribution box
power compensation
Prior art date
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 - Lifetime
Application number
CNU2006201189774U
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Chinese (zh)
Inventor
叶卫平
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.)
ZHEJIANG TRULY ELECTRIC CO., LTD.
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Hangzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
QUNLI POWER EQUIPMENT MANUFACTURING Co Ltd HANGZHOU
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Filing date
Publication date
Application filed by QUNLI POWER EQUIPMENT MANUFACTURING Co Ltd HANGZHOU filed Critical QUNLI POWER EQUIPMENT MANUFACTURING Co Ltd HANGZHOU
Priority to CNU2006201189774U priority Critical patent/CN2938505Y/en
Application granted granted Critical
Publication of CN2938505Y publication Critical patent/CN2938505Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30Reactive power compensation

Abstract

The utility model relates to a power supply and distribution and reactive power compensation device with low-pressure measurement, monitoring and control, power distribution, intelligent reactive power compensation features, which comprises a box and a measurement assembly. The main lines of three-phase power supply respectively passing through the current transformer are respectively connected to the input ends of an outgoing line switch and an intelligent capacitor. The output end of the outgoing line switch is connected to the user. The signal sensored through the current transformer is linked to the signal input end of the integrated detector. The communication interface of the integrated detector is connected to the communication interface of the intelligent capacitor. The data detected through the integrated detector is sent to a monitoring system in the method of short message via GPRS.

Description

Intellectual reactive power compensation distribution box
Technical field:
The utility model relates to a kind of confession distribution and reactive power compensator with functions such as low-temperature measurement, observing and controlling, distribution, intelligent powerless compensations, belongs to the reactive power compensation distribution box and makes the field.
Background technology:
All patent No.s of the applicant are ZL200420048053.2, title " metering switch compensation case ", this metering switch compensation case, it comprises casing, the end of incoming cables of the leading-out terminal of metering assembly (1) and compensation assembly (3) and the end of incoming cables of outlet assembly (2) also connect, metering assembly (1) is made of instrument transformer, kilowatt-hour meter and terminal box, outlet assembly (2) is made of switch with knifeshaped fuse, and compensation assembly (3) is opened, contactor, capacitor, mended device, load monitoring instrument and lightning arrester certainly and constitute by sky.Its weak point: the one, structure is by a distribution transforming synthesis observe and control device and Duo Tai low voltage power capacitor, A.C. contactor and other protection devices etc. in bulk forming in the formula equipment box out of doors; The 2nd, function by a distribution transforming synthesis observe and control device and several intelligence formula capacitors out of doors in the formula equipment box cordwood system type assemble; The 3rd, the product structure relative complex, volume is big, standardization, standardization difficulty; The 4th, product is in case after forming, the adjustment of its configuration and the optimization of reactive compensation capacity are very difficult; The 5th, device is many, contact is many, lead is long, operation energy consumption is big; The 6th, the distribution transforming synthesis observe and control device is the bottleneck of whole aircraft reliability, in case the measure and control device fault, then complete machine lost efficacy; The 7th, the overall technology difficulty is big, and the two difficulties of failure diagnosis and in-situ processing, required time are long; The 8th, product is a globality equipment, needs configuration, one-time investment with distant view.
Summary of the invention:
Purpose of design: avoid the weak point in the background technology, design a kind of intellectual reactive power compensation distribution box with functions such as low-temperature measurement, observing and controlling, distribution, intelligent powerless compensations.
Design: in order to realize above-mentioned purpose of design.Intellectual reactive power compensation distribution box is the comprehensive power distribution measure and control device of the series developed of my company and the intellectual low voltage power capacitor of series.This product is functions such as low-temperature measurement, observing and controlling, distribution, intelligent powerless compensations, and a new generation with high technology content and high performance-price ratio that makes up by different way according to different demands supplies distribution and reactive power compensator.It is made up of isolating switch, circuit breaker, comprehensive power distribution measure and control device (selecting for use) and intellectual low voltage power capacitor etc.Mainly be installed under capacity 30KVA-500KVA city, the small towns common transformer as electric energy metrical, be subjected to electricity, feed and regulate the line power factor, reduce reactive current, reduce energy loss, improve, give full play to the transformer potentiality with the enhancing electric power ability of exerting oneself with electricity quality.Long-time continual reliably working in the adverse circumstances that this product can be big in variation of ambient temperature, electromagnetic interference is serious.
Intellectual reactive power compensation distribution box is mainly used in the acceptance of parameter acquisition, analysis, statistics, storage, idle intellectual automatic compensation and telecommunication, control and electric energy in low-voltage distribution platform district and distribution etc., multiple communication interface is arranged, use GPRS or other passage to realize low-voltage distribution management automation and reactive power optimal control.The user can be according to condition with low-voltage distribution monitoring and the phase in of reactive power compensation engineering, and reactive power compensation also can be adjusted according to operational factor in the back of putting into operation, and makes distribution monitoring and reactive power compensation configuration optimization.The loading and unloading of intellectual low voltage power capacitor and comprehensive power distribution measure and control device are pulling and inserting type entirely, assemble or change very convenient, can the use scene be configured adjust or fault after change processing.Its technical scheme: intellectual reactive power compensation distribution box, it comprises casing and metering assembly, three phase mains main line on the service entrance switch (1) pass respectively current transformer (2) respectively with go out wiretap (5) and be connected with intelligent capacitor (3) end of incoming cables, go out the outlet termination user of wiretap (5), the signal that current transformer (2) is sensed connects the signal input part of comprehensive detector (4), the communication interface of comprehensive detector (4) is connected with the communication interface of intelligent capacitor (3), and the detected data of comprehensive detector (4) are sent to supervisory control system by GPRS in the mode of short message.
The utility model is compared with background technology, the one, by a distribution transforming synthesis observe and control device and several intelligence formula capacitors out of doors in the formula equipment box cordwood system type assemble; The 2nd, function is by the two comprehensive of distribution transforming synthesis observe and control device and intellectual low voltage power capacitor, intellectual capacitor has protections such as excess temperature (factors such as reflection operating voltage, ambient temperature, supply harmonic and leakage current own are to the influence of capacitor) and overcurrent, the phase failure, three-phase imbalance, in case after the measure and control device fault, intellectual low voltage power capacitor can self-organizing system work, still can realize the basic function of low-voltage reactive power automatic compensation, realize fault self-diagnosis function components and parts such as controller, capacitor, device for switching; The 3rd, product structure is succinct, and volume is little, and capacity is realized standardization, standardization; The 4th, can be according to circumstances and the variation flexible configuration of situation.For example can only dispose the distribution transforming synthesis observe and control device, be used for distribution transformer monitoring, dispose intellectual capacitor in the future as required again; Can only dispose intellectual capacitor, realize basic low-voltage reactive power automatic compensation, increase the distribution transforming synthesis observe and control device in the future more as required; Intellectual capacitor can on-the-spotly be adjusted, and reaches distributing rationally of reactive power compensation; The 5th, device is few, contact is few, lead is short, operation energy consumption is little; The 6th, after the distribution transforming synthesis observe and control device fault, but the work of intellectual capacitor self-organizing system realizes the low-voltage reactive power automatic compensation function, withdraws from automatically after indivedual intellectual capacitor faults, does not influence all the other work.Intellectual low voltage power capacitor can reach the reliability of switching 1,000,000 times.Operating temperature is low in the case, the operational reliability height; The 7th, the fault self-diagnostic function is strong, and field failure is searched easily; Primary clustering is full plug, transposing, easy to loading and unloading; The 8th, product is a building block equipment, can progressively increase configuration by current needs and economic capability configuration in the future, realizes the gradation investment.The equipment of same capacity, volume ratio conventional type much smaller; The 9th, the product lead decreases, contact decreases and device decreases greatly minimizing, reduced the energy consumption of equipment own, reduced operating temperature in the case simultaneously, improved operational reliability, and wiring is simple, compact conformation is succinct, complete property is strong, floor space is little, installation is simple and direct, safe and reliable to operation, advantage such as operating maintenance is easy.
Description of drawings:
Fig. 1 is the main TV structure schematic diagram of intellectual reactive power compensation distribution box.
Fig. 2 is the wiring construction schematic diagram of intellectual reactive power compensation distribution box.
Embodiment:
Embodiment 1: with reference to accompanying drawing 1~3.Intellectual reactive power compensation distribution box, it comprises casing and metering assembly, three phase mains main line on the service entrance switch 1 pass respectively current transformer 2 respectively with go out wiretap 5 and be connected with intelligent capacitor 3 ends of incoming cables, service entrance switch 1 zero line connects comprehensive detector zero line terminals.Go out the outlet termination user of wiretap 5, the signal that current transformer 2 is sensed connects the signal input part of comprehensive detector 4, is provided with GPRS in the comprehensive detector 4.The communication interface of comprehensive detector 4 is connected with the communication interface of intelligent capacitor 3, comprehensive detector 4 detected data are sent to supervisory control system by GPRS in the mode of short message, or comprehensive detector 4 is provided with infrared data communication interface or bluetooth data communication interface.Intellectual capacitor is provided with excess temperature, overcurrent, the phase failure, three-phase imbalance protective circuit, and the loading and unloading of intellectual capacitor and comprehensive power distribution measure and control device (detector) are the pulling and inserting type structure entirely.Intellectual capacitor (3) is provided with single-phase electricity container and three-phase capacitor.
The application is provided with overvoltage, under-voltage, decompression, overcurrent, the phase failure, three-phase imbalance, overheat protector (comprising that the excess temperature that harmonic wave and leakage current cause all can reflect); and can realize slave controller, device for switching to the complete autodiagnosis function of intellectual low voltage power capacitor, complete autodiagnosis function is convenient to user's operational inspection and searching voluntarily and handling equipment fault.The excess temperature situation that intellectual low voltage power capacitor can reflect its work overvoltage, crosses harmonic wave, environment is crossed gentle leakage current own etc. causes; and intellectual low voltage power capacitor has zero switching function (being the throwing of voltage zero-cross capacitor, the excision of current over-zero capacitor); zero switching function can reduce the impact to electrical network and capacitor itself; improve the rapidity of control; the zero switching function of product and is set the useful life that over-temperature protection all can prolong intellectual low voltage power capacitor effectively reaches reliable switching 1,000,000 times.
The application adopts intellectual low-voltage power device, comprehensive power distribution measure and control device and outdoor equipment case three's combination, and under the situation that intellectual low voltage power capacitor and comprehensive power distribution measure and control device all have, the two function combines together through bus type communication.Control: inlet wire general supply branch, close control; Go out the linear load branch, close control and reactive power compensation and throw and to move back control.Protection: overload, short circuit, lightning protection, current transformer secondary open-circuit-protection, rainwater and ground protection.Signal: signal, failure alarm signal are thrown, cut to intellectual low voltage power capacitor.The comprehensive power distribution measure and control device adopts multifunctional electric, reactive comprehensive controller and the distribution quality monitoring device of high-intelligentization, can be to the distribution quality real-time monitoring, can be when being used to the voltage of distribution transforming, the idle optimum optimization that carries out with the intellectual low voltage power capacitor of TDS series, and can adopt the work of communication mode construction system, can simplify connecting line and improve reliability.This device can with other distribution transforming, electric equipment and same category of device networking, realize distribution transforming, compensation, electricity operation centralized management automation.The control operational mode of controller has automatically and is manual.Automatic, manual compensation diverter switch are arranged on the intellectual low voltage power capacitor.Under the situation of configuration comprehensive power distribution measure and control device,, carry out the control command of comprehensive power distribution measure and control device for accepting control mode.Do not having under comprehensive power distribution measure and control device or the comprehensive power distribution plant failure situation, throwing voluntarily according to idle effect vacancy and move back.Under the situation that has many intellectual low voltage power capacitors to use together, intellectual low voltage power capacitor can be discerned automatically and produce a main frame, and all the other are slave, constitutes the low-voltage reactive power automatic control system and carries out work.Automatically withdraw from during indivedual slave fault, do not influence all the other work; After if hostdown withdraws from automatically, then in all the other slaves, produce a new main frame automatically, to form a new automatic control system and carry out work, device for switching realizes that no-voltage conducting and zero current disconnect, and carry out the fast reactive compensation.Measure: CT phase place and no-load voltage ratio are measured automatically, are proofreaied and correct, and measurement parameter has: distribution voltage, electric current, idle effect, effect factor, capacitor three-phase current and shell temperature.Protection: distribution overvoltage, under-voltage, o-volt protection.Over-temperature protection (comprising that the excess temperature that harmonic wave and leakage current cause all can reflect) in capacitor overcurrent, three-phase imbalance, the phase failure, the capacitor body.Communication: RS----485/RS----232 on-line interface, the online stipulations software of MODEMBUS.Man-machine interface: LCDs, indicator light and keyboard mode on the device, install outer infrared copying instrument mode.
What need understand is: though the foregoing description is to the utility model detailed explanation of contrasting; but these explanations are just illustrative to the utility model; rather than to restriction of the present utility model; any innovation and creation that do not exceed in the utility model connotation all fall in the protection range of the present utility model.

Claims (7)

1, a kind of intellectual reactive power compensation distribution box, it comprises casing and metering assembly, it is characterized in that: the three phase mains main line on the service entrance switch (1) pass respectively current transformer (2) respectively with go out wiretap (5) and be connected with intelligent capacitor (3) end of incoming cables, go out the outlet termination user of wiretap (5), the signal that current transformer (2) is sensed connects the signal input part of comprehensive detector (4), the communication interface of comprehensive detector (4) is connected with the communication interface of intelligent capacitor (3), and the detected data of comprehensive detector (4) are sent to supervisory control system by GPRS in the mode of short message.
2, intellectual reactive power compensation distribution box according to claim 1, it is characterized in that: comprehensive detector is provided with GPRS in (4).
3, intellectual reactive power compensation distribution box according to claim 2, it is characterized in that: comprehensive detector (4) is provided with infrared data communication interface or bluetooth data communication interface.
4, intellectual reactive power compensation distribution box according to claim 1 is characterized in that: service entrance switch (1) zero line connects comprehensive detector zero line terminals.
5, intellectual reactive power compensation distribution box according to claim 1, it is characterized in that: intellectual capacitor (3) is provided with excess temperature, overcurrent, the phase failure, three-phase imbalance protective circuit.
6, intellectual reactive power compensation distribution box according to claim 1 is characterized in that: the loading and unloading of intellectual capacitor (3) and comprehensive power distribution detector (4) are the pulling and inserting type structure entirely.
7, intellectual reactive power compensation distribution box according to claim 1, it is characterized in that: intellectual capacitor (3) is provided with single-phase electricity container and three-phase capacitor.
CNU2006201189774U 2006-06-18 2006-06-18 Intelligent reactive compensation distribution box Expired - Lifetime CN2938505Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2006201189774U CN2938505Y (en) 2006-06-18 2006-06-18 Intelligent reactive compensation distribution box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2006201189774U CN2938505Y (en) 2006-06-18 2006-06-18 Intelligent reactive compensation distribution box

Publications (1)

Publication Number Publication Date
CN2938505Y true CN2938505Y (en) 2007-08-22

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Application Number Title Priority Date Filing Date
CNU2006201189774U Expired - Lifetime CN2938505Y (en) 2006-06-18 2006-06-18 Intelligent reactive compensation distribution box

Country Status (1)

Country Link
CN (1) CN2938505Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102306906A (en) * 2011-08-23 2012-01-04 宁波市鄞州供电局 Arrangement box for outdoor intelligent distribution and transformation terminal
CN104767208A (en) * 2015-01-20 2015-07-08 国家电网公司 Intelligent load balance reactive power compensation device capable of being controlled remotely

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102306906A (en) * 2011-08-23 2012-01-04 宁波市鄞州供电局 Arrangement box for outdoor intelligent distribution and transformation terminal
CN104767208A (en) * 2015-01-20 2015-07-08 国家电网公司 Intelligent load balance reactive power compensation device capable of being controlled remotely

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: STATE GRID ZHEJIANG ELECTRIC POWER COMPANY STATE G

Effective date: 20140416

C41 Transfer of patent application or patent right or utility model
C56 Change in the name or address of the patentee

Owner name: ZHEJIANG QUNLI ELECTRIC CO., LTD.

Free format text: FORMER NAME: QUNLI POWER EQUIPMENT MANUFACTURING CO., LTD., HANGZHOU

CP03 Change of name, title or address

Address after: 311199 Yuhang City, Hangzhou Province Star Bridge Street Star Bridge North Road, No. 165, No.

Patentee after: ZHEJIANG TRULY ELECTRIC CO., LTD.

Address before: 311100 Hangzhou Yuhang Economic Development Zone Zhejiang star bridge supporting area

Patentee before: Qunli Power Equipment Manufacturing Co., Ltd., Hangzhou

TR01 Transfer of patent right

Effective date of registration: 20140416

Address after: 311199 Yuhang City, Hangzhou Province Star Bridge Street Star Bridge North Road, No. 165, No.

Patentee after: ZHEJIANG TRULY ELECTRIC CO., LTD.

Patentee after: State Grid Zhejiang Electric Power Company

Patentee after: State Grid Corporation of China

Patentee after: State Grid Zhejiang Hangzhou Yuhang District Power Supply Company

Patentee after: Hangzhou Power Supply Company, State Grid Zhejiang Electric Power Company

Address before: 311199 Yuhang City, Hangzhou Province Star Bridge Street Star Bridge North Road, No. 165, No.

Patentee before: ZHEJIANG TRULY ELECTRIC CO., LTD.

CX01 Expiry of patent term

Granted publication date: 20070822

EXPY Termination of patent right or utility model