CN205882721U - Electric wire netting three -phase balance control system - Google Patents
Electric wire netting three -phase balance control system Download PDFInfo
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- CN205882721U CN205882721U CN201620842752.7U CN201620842752U CN205882721U CN 205882721 U CN205882721 U CN 205882721U CN 201620842752 U CN201620842752 U CN 201620842752U CN 205882721 U CN205882721 U CN 205882721U
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- change switch
- breaker
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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
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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Abstract
The utility model discloses an electric wire netting three -phase balance control system. This system includes a three -phase breaker, a plurality of phase change switch and monitoring host. Three -phase breaker installs in the platform district low pressure side of being qualified for the next round of competitions. Phase change switch installs at single -phase customer side. Three -phase breaker includes the treater, goes upward the communication unit, down communication unit and the synchronous contact mechanism of three -phase, wherein, goes upward communication unit, down communication unit and the synchronous contact mechanism connect the processor of three -phase. Phase change switch includes the treater, goes upward communication unit and commutation contact mechanism, wherein goes upward communication unit and commutation contact mechanism connect the processor. Phase change switch's the down communication unit that goes upward communication unit and three -phase breaker links to each other. Three -phase breaker goes upward communication unit connection monitoring host computer. The utility model discloses a with the function integration among the balanced monitoring device of intelligent three phase current independent among the prior art to the three -phase breaker on, reduced the equipment and the complexity of electric wire netting control to reduce cost.
Description
Technical field
This utility model relates to phase-change switch.
Background technology
It is known that electric power backbone network uses three-phase high-voltage alternating current to carry out long-distance transmissions, three-phase high-voltage alternating current warp
Becoming low-voltage three-phase AC electricity after transformator transformation, the single-phase alternating current of civilian side is by selecting wherein one in low-voltage three-phase AC electricity
Input as electric power.In actual application, owing to occupying the fluctuation of appliance load, cause the three-phase current of three-phase alternating current the most not
Balance.This situation especially looms large in the middle of rural power grids.In the prior art, for regulating this three-phase current unbalance
Problem, main control to connect the phase-change switch of each user side by a special intelligent three-phase current balance type supervising device
Realize.Intelligent three-phase current balance type supervising device under the program is an independent equipment, relatively costly.
Summary of the invention
Problem to be solved in the utility model: existing electrical network three-phase equilibrium control system cost is high.
For solving the problems referred to above, the scheme that this utility model uses is as follows:
A kind of electrical network three-phase equilibrium control system, main including a three-phase breaker, several phase-change switches and monitoring
Machine；Described three-phase breaker is arranged on low-pressure line-outgoing side, platform district；Described phase-change switch is arranged on single-phase user side；Described three-phase breaks
Road device includes processor, uplink communication unit, downgoing communication unit and three-phase synchronous contact mechanism；Three-phase breaker up
Communication unit, downgoing communication unit and three-phase synchronous contact mechanism connect the processor of three-phase breaker；Described phase-change switch bag
Include processor, uplink communication unit and commutation contact mechanism；The uplink communication unit of phase-change switch and commutation contact mechanism are even
Connect the processor of phase-change switch；The uplink communication unit of phase-change switch is connected with the downgoing communication unit of three-phase breaker；Three-phase
The uplink communication unit of chopper connects described monitoring host computer.
Further, the processor of described three-phase breaker is used for: gather the three-phase of each phase-change switch being attached thereto
The electric current of the single-phase live wire of connection status and phase-change switch user side；The electric current of collection three-phase firewire on three-phase breaker；
According to the Current calculation three-phase equilibrium degree of three-phase firewire on three-phase breaker；When three-phase equilibrium degree is less than specific restriction, according to
The amperometry of the three-phase firewire on the electric current of the single-phase live wire in each phase-change switch user side and three-phase breaker calculates respectively
The adjustable strategies of phase-change switch, then sends corresponding commutation instruction to corresponding phase-change switch according to this adjustable strategies.
Further, the uplink communication unit of described three-phase breaker is GPRS communication unit or fiber-optic transfer communication unit.
Further, the downgoing communication unit of described three-phase breaker and the uplink communication unit of phase-change switch are that RS485 leads to
Interrogate unit or radio communication unit or carrier communication unit.
Technique effect of the present utility model is as follows: this utility model is by by intelligent three-phase electric current independent in prior art
Function in balance monitoring device is integrated on three-phase breaker, decreases equipment and the complexity of power grid control, thus reduces
Cost.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is modular construction schematic diagram of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further details.
As shown in Figure 1 and Figure 2, a kind of electrical network three-phase equilibrium control system, including a three-phase breaker 1, several commutations
Switch 2 and monitoring host computer 3.Three-phase breaker 1 is arranged on low-pressure line-outgoing side, platform district.Phase-change switch 2 is arranged on single-phase user side,
That is, phase-change switch 2 connects single-phase load.Phase-change switch 2 is between three-phase breaker and single-phase load, and quantity is some.Change
The quantity of switch 2 depends on the concrete situation of user side mutually.That is there is 1:m between three-phase breaker 1 and phase-change switch 2
Corresponding relation, wherein m > 1.
Three-phase breaker 1 is become with data groups of acquisition units by circuit breaker control panel, three-phase synchronous contact mechanism.Chopper control
The electrical equipments such as processor, uplink communication unit, downgoing communication unit are installed in making sheet.Three-phase synchronous contact mechanism is three-phase
The mechanical structure portion of chopper 1, for three-phase alternating current Simultaneous Switching, is generally driven by permanent magnet mechanism.Three-phase breaker 1
Data acquisition unit include amperometric, leakage indicator, switch detector, hands lock detector.The electricity of three-phase breaker 1
Current sensor is for gathering the electric current of three-phase alternating current.For detecting whether there is electric leakage in the leakage indicator of three-phase breaker 1
Situation.The switch detector of three-phase breaker 1 is for detecting the folding condition residing for three-phase synchronous contact mechanism.Three-phase breaker
Whether the hands lock detector of 1 is in the state of manual locking for detecting three-phase synchronous contact mechanism.Place on three-phase breaker 1
Reason device connects uplink communication unit, downgoing communication unit, three-phase synchronous contact mechanism and the data acquisition list on three-phase breaker 1
Unit.Uplink communication unit on three-phase breaker 1 is used for connecting monitoring host computer 3, that is, the processor of three-phase breaker 1 passes through
Uplink communication unit connects monitoring host computer 3.Uplink communication unit on three-phase breaker 1 uses GPRS communication unit or optical fiber to pass
Defeated communication unit, it is, the communication between three-phase breaker 1 and monitoring host computer 3 uses GPRS or fiber-optic transfer.Three-phase break
Downgoing communication unit on device 1 is used for connecting phase-change switch 2.
Phase-change switch 2 is become with data groups of acquisition units by on-off control plate, commutation contact mechanism.Install on on-off control plate
There is the electrical equipment such as processor, uplink communication unit.Commutation contact mechanism is the mechanical structure portion of phase-change switch 2, for right
The single-phase live wire in user side switches between three-phase alternating current, is generally driven by permanent magnet mechanism.The data acquisition of phase-change switch 2
Unit includes that amperometric, leakage indicator, switch detector, hands lock detector.The amperometric of phase-change switch 2 is used for
User side monophase current.For detecting whether there is electric leakage situation in the leakage indicator of phase-change switch 2.The switch of phase-change switch 2
Detector is for detecting the three-phase connection status residing for commutation contact mechanism.The hands lock detector of phase-change switch 2 changes for detection
Whether phase contact mechanism is in the state of manual locking.Processor on phase-change switch 2 connects the uplink communication on phase-change switch 2
Unit, commutation contact mechanism and data acquisition unit.Uplink communication unit on phase-change switch 2 is used for connecting three-phase breaker 1,
Namely the processor on phase-change switch 2 is by the uplink communication unit on phase-change switch 2 and the downgoing communication on three-phase breaker 1
Unit connects the processor on three-phase breaker 1.The downgoing communication unit of three-phase breaker 1 and the uplink communication of phase-change switch 2
Unit uses RS485 communication unit or radio communication unit or carrier communication unit.Namely three-phase breaker 1 and phase-change switch 2
Between communication use RS485 or wireless or carrier system.
Processor on phase-change switch 2 is for realizing following functions by performing programmed instruction:
A1, gathered data by data acquisition unit on phase-change switch 2, and the data collected are sent to three-phase break
Road device 1；The data gathered include that three residing for the monophase current of user side, electric leakage situation, commutation contact mechanism are connected shape
Whether state and commutation contact mechanism are in the state of manual locking；
A2, from three-phase breaker 1 receive control instruction, by control commutation contact mechanism perform corresponding commutation move
Make；
A3, it is monitored the data collected analyzing, when abnormal case occurs, overload or the feelings such as electric leakage such as occurs
During shape, perform corresponding protection act and abnormal case is reported to three-phase breaker 1.
Processor on three-phase breaker 1 is for realizing following functions by performing programmed instruction:
B1, receiving and collect the data of each phase-change switch 2 being attached thereto, the data of phase-change switch 2 include user side
Monophase current, electric leakage situation, three-phase connection status residing for commutation contact mechanism and commutation contact mechanism whether be in hands
The state of work locking；
B2, gathered the data of three-phase breaker 1 self by data acquisition unit on three-phase breaker 1, three-phase break
The data of device 1 self include: folding condition residing for the electric current of three-phase alternating current, electric leakage situation, three-phase synchronous contact mechanism, three
Whether synchronised contact mechanism is in the state of manual locking；
B3, the data of each phase-change switch being attached thereto 2 collected and the data of three-phase breaker 1 self are sent out
Give monitoring host computer 3；
The control instruction to three-phase breaker 1 that B4, reception monitoring host computer 3 issue, and by three-phase synchronous contact mechanism
Perform corresponding control instruction；
The control instruction to phase-change switch 2 that B5, reception monitoring host computer 3 issue, and corresponding control instruction is transmitted to
Corresponding phase-change switch 2；
B6, according to the Current calculation three-phase equilibrium degree of three-phase firewire on three-phase breaker；When three-phase equilibrium degree is less than specific
During restriction, according to the electric current of the three-phase firewire on the electric current of each single-phase live wire in phase-change switch 2 user side and three-phase breaker 1
Analysis meter calculates the adjustable strategies to each phase-change switch 2, then sends corresponding commutation instruction 2 to phase according to this adjustable strategies
On the phase-change switch 2 answered；
B7, receive the abnormal case that each phase-change switch 2 reports, and abnormal case data are forwarded to monitoring host computer 3, and hold
The corresponding protection act of row；
B8, the data of each phase-change switch being attached thereto 2 collected and the data of three-phase breaker 1 self are entered
Row monitoring, when there is abnormal case, performs corresponding protection act and reports to monitoring host computer 3.
It should be noted that above-mentioned B6 function is also that in prior art, intelligent three-phase current balance type supervising device is realized
Function.Implementing of B6 function can refer to patent documentation CN105226684A " a kind of low voltage electric network three based on phase-change switch
Uneven control method mutually ".
Claims (4)
1. an electrical network three-phase equilibrium control system, it is characterised in that include a three-phase breaker, several phase-change switches with
And monitoring host computer；Described three-phase breaker is arranged on low-pressure line-outgoing side, platform district；Described phase-change switch is arranged on single-phase user side；Institute
State three-phase breaker and include processor, uplink communication unit, downgoing communication unit and three-phase synchronous contact mechanism；Three-phase break
The uplink communication unit of device, downgoing communication unit and three-phase synchronous contact mechanism connect the processor of three-phase breaker；Described change
Switch includes processor, uplink communication unit and commutation contact mechanism mutually；The uplink communication unit of phase-change switch and commutation are touched
Head mechanism connects the processor of phase-change switch；The downgoing communication unit phase of the uplink communication unit of phase-change switch and three-phase breaker
Even；The uplink communication unit of three-phase breaker connects described monitoring host computer.
2. electrical network three-phase equilibrium control system as claimed in claim 1, it is characterised in that the processor of described three-phase breaker
It is used for: gather the electricity of the single-phase live wire of three-phase connection status and phase-change switch user side of each phase-change switch being attached thereto
Stream；The electric current of collection three-phase firewire on three-phase breaker；According to the Current calculation three of three-phase firewire on three-phase breaker
Degree of balancing each other；When three-phase equilibrium degree is less than specific restriction, according to the electric current of the single-phase live wire in each phase-change switch user side and
The amperometry of the three-phase firewire on three-phase breaker calculates the adjustable strategies of each phase-change switch, then according to this adjustable strategies
Corresponding commutation instruction is sent to corresponding phase-change switch.
3. electrical network three-phase equilibrium control system as claimed in claim 1, it is characterised in that the up of described three-phase breaker is led to
News unit is GPRS communication unit or fiber-optic transfer communication unit.
4. electrical network three-phase equilibrium control system as claimed in claim 1, it is characterised in that the descending of described three-phase breaker is led to
News unit and the uplink communication unit of phase-change switch are RS485 communication unit or radio communication unit or carrier communication unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620842752.7U CN205882721U (en) | 2016-08-05 | 2016-08-05 | Electric wire netting three -phase balance control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620842752.7U CN205882721U (en) | 2016-08-05 | 2016-08-05 | Electric wire netting three -phase balance control system |
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| Publication Number | Publication Date |
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| CN205882721U true CN205882721U (en) | 2017-01-11 |
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ID=57701733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201620842752.7U Active CN205882721U (en) | 2016-08-05 | 2016-08-05 | Electric wire netting three -phase balance control system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786681A (en) * | 2017-01-12 | 2017-05-31 | 湖南长高思瑞自动化有限公司 | Low-voltage platform area becomes threephase load automatic-balancing system and its automatic balancing method |
| CN106936144A (en) * | 2017-05-07 | 2017-07-07 | 贵州电网有限责任公司电力科学研究院 | A kind of power distribution station three-phase power balance device and method of self-adaptive regulating |
| CN107069779A (en) * | 2017-02-22 | 2017-08-18 | 安徽电信工程有限责任公司 | A kind of low-voltage platform area becomes threephase load automatic-balancing system |
| CN107332352A (en) * | 2017-08-28 | 2017-11-07 | 广东电网有限责任公司潮州供电局 | A kind of determination methods and device for switching non-three phase separating brake |
| CN108471125A (en) * | 2018-03-30 | 2018-08-31 | 杭州海兴电力科技股份有限公司 | With earth leakage protective three phase network commutation system |
-
2016
- 2016-08-05 CN CN201620842752.7U patent/CN205882721U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786681A (en) * | 2017-01-12 | 2017-05-31 | 湖南长高思瑞自动化有限公司 | Low-voltage platform area becomes threephase load automatic-balancing system and its automatic balancing method |
| CN107069779A (en) * | 2017-02-22 | 2017-08-18 | 安徽电信工程有限责任公司 | A kind of low-voltage platform area becomes threephase load automatic-balancing system |
| CN106936144A (en) * | 2017-05-07 | 2017-07-07 | 贵州电网有限责任公司电力科学研究院 | A kind of power distribution station three-phase power balance device and method of self-adaptive regulating |
| CN107332352A (en) * | 2017-08-28 | 2017-11-07 | 广东电网有限责任公司潮州供电局 | A kind of determination methods and device for switching non-three phase separating brake |
| CN107332352B (en) * | 2017-08-28 | 2019-10-29 | 广东电网有限责任公司潮州供电局 | A kind of judgment method and device switching non-three phase separating brake |
| CN108471125A (en) * | 2018-03-30 | 2018-08-31 | 杭州海兴电力科技股份有限公司 | With earth leakage protective three phase network commutation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190506 Address after: 211102 No. 391 Pugang Street, Jiangning Development Zone, Nanjing City, Jiangsu Province Co-patentee after: Witten electric group Limited by Share Ltd Patentee after: Nanjing Ding Brand Electrical Appliances Co., Ltd. Address before: 211102 No. 391 Pugang Street, Jiangning Development Zone, Nanjing City, Jiangsu Province Co-patentee before: JIANGSU JINYIDE ELECTRIC TECHNOLOGY CO., LTD. Patentee before: Nanjing Ding Brand Electrical Appliances Co., Ltd. |
|
| TR01 | Transfer of patent right |