CN206807018U - Three-phase load unbalance self-checking device - Google Patents
Three-phase load unbalance self-checking device Download PDFInfo
- Publication number
- CN206807018U CN206807018U CN201720625583.6U CN201720625583U CN206807018U CN 206807018 U CN206807018 U CN 206807018U CN 201720625583 U CN201720625583 U CN 201720625583U CN 206807018 U CN206807018 U CN 206807018U
- Authority
- CN
- China
- Prior art keywords
- phase
- monitor terminal
- circuit breaker
- current circuit
- residual current
- 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 - Fee Related
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Classifications
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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
Abstract
The utility model discloses a kind of three-phase load unbalance self-checking device,Including system main website,Taiwan area Intelligent management terminal,Taiwan area Intelligent management terminal includes monitor terminal,Air switch,Three-phase residual current circuit breaker phase-change switch,Phase-change switch,Temperature-humidity monitoring control module,Multifunctional electric energy meter,Phase-change switch is connected with three-phase residual current circuit breaker respectively by 380V circuits,Three-phase residual current circuit breaker passes through 380V connections with air switch,Air switch is connected with monitor terminal,Monitor terminal is provided with ARM10 micro-chip processors,RS485 interfaces,Hot plug electric current carrier module,GPRS wireless communication modules,Monitor terminal is connected with system main website by GPRS wireless communication modules,Temperature-humidity monitoring control module,Multifunctional electric energy meter is connected by RS485 interfaces with monitor terminal.The utility model improves threephase load unbalance factor, reduces the Low-voltage Line Loss of taiwan area, improves the intelligent management level of taiwan area; pass through the monitoring to load; reasonable distribution load, power supply unit is protected to submit a tender to greatest extent, the health and safety for being advantageous to improve equipment is horizontal.
Description
Technical field
A kind of three-phase load unbalance adjusting means is the utility model is related to, more particularly to a kind of three-phase load unbalance is certainly
Dynamic adjusting means, belongs to power distribution equipment field.
Background technology
In recent years, increasing with city old improvement to old residents engineering, power station area three-phase imbalance situation is increasingly
Seriously, the use of increasing with household appliances, especially high-power electric appliance, causes single-phase load to be increased sharply, and old cell is single-phase
Load turns into main electric load, due to the asynchronism of single-phase load input and in low voltage electric network construction retrofit and fortune
Row is safeguarded not in place, causes low-voltage network three-phase load distribution imbalance, and threephase load out-of-balance current can increase circuit
And the loss of transformer, the output of transformer is reduced, even results in burning for taiwan area transformer, low-voltage distribution network electric energy quality shape
Condition is poor, influences the safe operation of low-voltage network, therefore three-phase load balancing turns into current urgent problem.
The content of the invention
The purpose of this utility model is that providing one kind overcomes prior art shortcoming, and automatic commutation is installed at taiwan area electricity box
Equipment, taiwan area single-phase load electric current is monitored by taiwan area Intelligent management terminal, and according to the three-phase load unbalance rate of setting to table
Case load is automatically adjusted, to reach the purpose of three-phase load adjust automatically.
What the utility model was realized in：A kind of three-phase load unbalance self-checking device, the three-phase load is not
Balancing self-checking device includes system main website, taiwan area Intelligent management terminal, and taiwan area Intelligent management terminal includes monitor terminal, sky
Air cock, three-phase residual current circuit breaker phase-change switch, phase-change switch, temperature-humidity monitoring control module, multifunctional electric energy meter, its
It is characterised by：Phase-change switch is connected with three-phase residual current circuit breaker respectively by 380V circuits, three-phase residual current circuit breaker
It is connected with air switch by 380V connections, air switch with monitor terminal, monitor terminal is provided with ARM10 microprocessor cores
Piece, RS485 interfaces, hot plug electric current carrier module, GPRS wireless communication modules, monitor terminal and system main website by GPRS without
Line communication module is connected, and temperature-humidity monitoring control module, multifunctional electric energy meter are connected by RS485 interfaces with monitor terminal.
Phase-change switch is the single-phase residual current circuit breaker with commutation function.
The utility model has the advantage of：The utility model substantially improves threephase load unbalance factor, so as to reduce
The Low-voltage Line Loss of taiwan area, the intelligent management level of taiwan area is improved, by the monitoring to load, reasonable distribution load can be most
The protection power supply unit of limits is submitted a tender, and the health and safety for being advantageous to improve equipment is horizontal.
Brief description of the drawings
Accompanying drawing 1 is the utility model structure diagram.
Embodiment
The utility model is introduced below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of the utility model three-phase load unbalance self-checking device, three-phase load unbalance
Self-checking device includes system main website, taiwan area Intelligent management terminal, and system main website is mainly used in by computer and software sharing
Collection, analysis to data, archive, and telecommand is issued, control phase-change switch is acted to reach the mesh of three-phase adjustment
's；Taiwan area Intelligent management terminal include monitor terminal, air switch, three-phase residual current circuit breaker phase-change switch, phase-change switch,
Temperature-humidity monitoring control module, multifunctional electric energy meter, phase-change switch are the single-phase residual current circuit breaker with commutation function, commutation
Switch is connected with three-phase residual current circuit breaker respectively by 380V circuits, and three-phase residual current circuit breaker passes through with air switch
380V connections, air switch are connected with monitor terminal, and monitor terminal uses Modular Structure Design, support on-load heat to insert
Technology is pulled out, using high speed ARM10 micro-chip processors, using built-in Linux operating system, there is high speed, high-precision sampling
Chip and powerful real-time operation ability, can will gather the three-phase load current data of electric energy meter or single-phase switch, and storage is arrived
In chip, computing chip quickly calculates each three-phase load unbalance rate using the three-phase current data collected, when taiwan area intelligence
Can management terminal when monitoring that three-phase current unbalance rate and time meet or exceed preset value, according to installed at each electricity box from
The load current size of dynamic phase-change switch, an optimum apjustment scheme is selected through automatic computing, issue commutation switching command to changing
Mutually switch, adjust three-phase load electric current in real time, reach the automatic purpose for administering three-phase imbalance；Monitor terminal sets RS485 to connect
Mouth, hot plug electric current carrier module, GPRS wireless communication modules, monitor terminal pass through GPRS wireless communication modules with system main website
It is connected, temperature-humidity monitoring control module, multifunctional electric energy meter are connected by RS485 interfaces with monitor terminal；Three-phase residual current
Breaker is respectively powered branch road installed in distribution net platform region low voltage side, utilizes breaker or multifunctional electric energy meter current monitoring work(
Can, each branch road phase line current data are uploaded to by monitor terminal by RS485 communication interfaces, so as to realize three-phrase burden balance certainly
The one-level monitoring of dynamic adjustment；Phase-change switch is the intelligent switch for having on-load Phase-switching function, is touched by the switch of 3 groups of independences
Head mechanism composition, the control operation of intelligent control module system, three-phase four-wire system input, single-phase load output, its CPU control cores
Piece and monitor terminal group net operation, are monitored to electricity box working power phase with load current, and are uploaded to monitor terminal, together
When receive the load Phase-switching adjust instruction of monitor terminal, realize the bi-directional communication function of phase-change switch and monitor terminal, band
The load Phase-switching time is not more than 200ms.
Claims (2)
1. a kind of three-phase load unbalance self-checking device, the three-phase load unbalance self-checking device includes system master
Stand, taiwan area Intelligent management terminal, taiwan area Intelligent management terminal includes monitor terminal, air switch, three-phase residual current circuit breaker
Phase-change switch, phase-change switch, temperature-humidity monitoring control module, multifunctional electric energy meter, it is characterised in that：Phase-change switch passes through 380V
Circuit is connected with three-phase residual current circuit breaker respectively, and three-phase residual current circuit breaker is connected with air switch by 380V circuits
Connect, air switch is connected with monitor terminal, and monitor terminal is provided with ARM10 micro-chip processors, RS485 interfaces, hot plug electric current
Carrier module, GPRS wireless communication modules, monitor terminal are connected with system main website by GPRS wireless communication modules, humiture prison
Survey control module, multifunctional electric energy meter is connected by RS485 interfaces with monitor terminal.
2. three-phase load unbalance self-checking device according to claim 1, it is characterised in that：Phase-change switch changes for band
The single-phase residual current circuit breaker of phase function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720625583.6U CN206807018U (en) | 2017-05-23 | 2017-05-23 | Three-phase load unbalance self-checking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720625583.6U CN206807018U (en) | 2017-05-23 | 2017-05-23 | Three-phase load unbalance self-checking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206807018U true CN206807018U (en) | 2017-12-26 |
Family
ID=60744412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720625583.6U Expired - Fee Related CN206807018U (en) | 2017-05-23 | 2017-05-23 | Three-phase load unbalance self-checking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206807018U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512234A (en) * | 2018-02-01 | 2018-09-07 | 广东电网有限责任公司韶关供电局 | A kind of three-phase load automatic ballance regulator and system |
| CN114034923A (en) * | 2021-10-29 | 2022-02-11 | 无锡皓凯利科技有限公司 | Automatic measurement winding broken string and three-phase active power synchrophasor precision leveling system |
-
2017
- 2017-05-23 CN CN201720625583.6U patent/CN206807018U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512234A (en) * | 2018-02-01 | 2018-09-07 | 广东电网有限责任公司韶关供电局 | A kind of three-phase load automatic ballance regulator and system |
| CN114034923A (en) * | 2021-10-29 | 2022-02-11 | 无锡皓凯利科技有限公司 | Automatic measurement winding broken string and three-phase active power synchrophasor precision leveling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 271100 No. 1 Hong Kong West Road, Laiwu District, Jinan City, Shandong Province Patentee after: Shandong Ketai Power Technology Co., Ltd. Address before: 271114 Shandong province Laiwu City Laicheng Industrial Park (town) Hongkong Road No. 1 Patentee before: LAIWU KETAI POWER-TECH CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20200523 |