CN106487022A - A kind of rural area low-voltage administering method - Google Patents
A kind of rural area low-voltage administering method Download PDFInfo
- Publication number
- CN106487022A CN106487022A CN201611008737.3A CN201611008737A CN106487022A CN 106487022 A CN106487022 A CN 106487022A CN 201611008737 A CN201611008737 A CN 201611008737A CN 106487022 A CN106487022 A CN 106487022A
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- China
- Prior art keywords
- voltage
- low
- distribution network
- pressure regulation
- power
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
-
- 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
Abstract
The present invention relates to a kind of rural area low-voltage administering method, including：Obtain systematic parameter and the actual measurement parameter of power distribution network；The data parameters of main transformer, SVR automatic feeder line voltage regulator, distribution transforming and charge circuit are obtained, the data parameters include voltage, electric current, active power and reactive power；According to distribution network topological structure, electricity distribution network model is set up, and according to electricity distribution network model, systematic parameter, actual measurement parameter and data parameters, the trend distribution of whole distribution network is determined by Load flow calculation；By trend distributional analysis electrical network low pressure reason and locations of low pressure；If low-voltage occurs in high voltage side of transformer, pressure regulation is carried out by main transformer tap gear；If during step down side outlet low-voltage, pressure regulation is carried out by adjusting the position of tapping switch of SVR automatic feeder line voltage regulator to change auto-transformer no-load voltage ratio.The present invention improves the voltage of rural power grids end, reduces the flowing of circuit reactive current, reduces electric energy loss, improve rural power grids supply voltage quality.
Description
Technical field
The present invention relates to a kind of low-voltage administering method, and in particular to a kind of rural area low-voltage administering method.
Background technology
In recent years, with expanding economy, the huge increasing of the load of rural power grids, the need for electricity of user are improved constantly, and I
State's rural power grids circuit is long, line footpath is meticulous, boost, compensation equipment is not enough, causes rural power grids terminal voltage, power factor too low, seriously
The normal electricity consumption of rural power grids user is have impact on, so a series of voltage-regulation measure must be taken, just can guarantee that voltage meets electricity
The fixed requirement of network planning.If power grid user brownout, power factor are too low, it may appear that equipment cannot start, equipment runs not
Normally, the normal electricity consumption of user is affected.It is all installation separate unit reactive-load compensation on a circuit that the low-voltage of rural power grids is administered at present
Equipment, equipment room nothing communicate, it is impossible to be uniformly controlled, high cost, voltage regulation effect unobvious.
Content of the invention
It is an object of the invention to provide a kind of rural area low-voltage administering method, the method is not changing existing rural power grids
In the case of structure, by there is the pressure regulation for carrying transformer, automatic feeder line voltage regulator device and distribution transformer, realize low-voltage and control
Reason, improves terminal voltage and meets power demands.
For achieving the above object, technical scheme below present invention employs：Including
A kind of rural area low-voltage administering method, comprises the following steps：
（1）Obtain systematic parameter and the actual measurement parameter of power distribution network；
（2）By high intelligent detection device and low-voltage distribution detection means obtain main transformer, SVR automatic feeder line voltage regulator, distribution transforming and
The data parameters of charge circuit, the data parameters include voltage, electric current, active power and reactive power；
（3）According to distribution network topological structure, electricity distribution network model is set up, and according to electricity distribution network model, systematic parameter, actual measurement ginseng
Number and data parameters, determine the trend distribution of whole distribution network by Load flow calculation；
（4）By trend distributional analysis electrical network low pressure reason and locations of low pressure；
（5）If low-voltage occurs in high voltage side of transformer, pressure regulation is carried out by main transformer tap gear；
（6）If during step down side outlet low-voltage, by adjust SVR automatic feeder line voltage regulator position of tapping switch with
Changing auto-transformer no-load voltage ratio carries out pressure regulation.
In such scheme, step（5）(6) carrying out pressure regulation in is carried out in the case of nothing no-power vacancy, if the step
In there are no-power vacancy situation when, first should carry out Reactive-power control make idle be balanced, after carry out voltage modulated.
In such scheme, step（6）Comprise the following steps：
（5A）If step down side outlet low-voltage problem is all addressed, pressure regulation success；
（5B）If at the pressure regulation limit or the distribution transforming of SVR automatic feeder line voltage regulator, voltage is out-of-limit, by adjusting distribution transforming
Tap joint position and switching reactive-load compensation capacitor carry out pressure regulation.
As shown from the above technical solution, the low-voltage control measures method for optimizing based on new village of the present invention
In, the low-voltage reason in Rural Power Distribution Network can accurately be analyzed, so as to be directed to the reason for causing low-voltage proposition
There is targetedly solution, it is ensured that the quality of voltage after improvement meets the production of urban residents and life is required, the present invention
The voltage of rural power grids end is improved, the flowing of circuit reactive current is reduced, reduces electric energy loss, improve rural power grids and power electricity
Pressure quality.
Description of the drawings
Fig. 1 is method of the present invention flow chart.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings：
The low-voltage control measures method for optimizing based on new village of this enforcement, specifically includes following steps：
S1：Obtain systematic parameter and the actual measurement parameter of power distribution network；
S2：By high intelligent detection device and low-voltage distribution detection means obtain main transformer, SVR automatic feeder line voltage regulator, distribution transforming and
The data parameters of charge circuit, the data parameters include voltage, electric current, active power and reactive power；
S3：According to distribution network topological structure, electricity distribution network model is set up, and according to electricity distribution network model, systematic parameter, actual measurement ginseng
Number and data parameters, determine the trend distribution of whole distribution network by Load flow calculation；
S4：By trend distributional analysis electrical network low pressure reason and locations of low pressure；
S5：If low-voltage occurs in high voltage side of transformer, pressure regulation is carried out by main transformer tap gear；
S6：If during step down side outlet low-voltage, by adjust SVR automatic feeder line voltage regulator position of tapping switch with
Changing auto-transformer no-load voltage ratio carries out pressure regulation.
S7：If all there is low voltage and nothing no-power vacancy in SVR automatic feeder line voltage regulator, distribution transforming and charge circuit end
When, then background computer monitoring center of production scheduling department of transformer station is sent data to by GSM automated wireless, then by certainly
Dynamic or adjust main shift manually and carry out pressure regulation, if there is no-power vacancy, first should carry out Reactive-power control make idle be balanced,
After carry out voltage modulated.
If the low pressure problem of SVR automatic feeder line voltage regulator, distribution transforming and charge circuit end is addressed, pressure regulation becomes
Work(；When adjustment main transformer tap gear has arrived the limit, and low pressure problem is not still solved at SVR automatic feeder line voltage regulator or distribution transforming
When, then pressure regulation is carried out by adjusting the position of tapping switch of SVR automatic feeder line voltage regulator to change auto-transformer no-load voltage ratio；When
The position of tapping switch of SVR automatic feeder line voltage regulator has arrived the limit, and when charge circuit end low pressure problem is not still solved, then
Pressure regulation is carried out by the tap joint position and switching reactive-load compensation capacitor that adjust distribution transforming.
S8：If distribution transforming and charge circuit end low voltage all occur and during nothing no-power vacancy, automatic by GSM
Wireless transmission data send instruction by adjusting SVR to background computer monitoring center of production scheduling department of transformer station through analysis
The position of tapping switch of automatic feeder line voltage regulator carries out pressure regulation to change auto-transformer no-load voltage ratio, if there is no-power vacancy, should
First carry out Reactive-power control make idle be balanced, after carry out voltage modulated；
If distribution transforming and charge circuit end low pressure problem are all addressed, pressure regulation success；If SVR automatic feeder line voltage regulator
At the pressure regulation limit or distribution transforming, voltage is out-of-limit, and when charge circuit end low pressure problem is not still solved, then by adjusting
The tap joint position of whole distribution transforming and switching reactive-load compensation capacitor carry out pressure regulation.
S9：If only low voltage occurs in charge circuit end, low voltage distribution monitoring device passes through GSM automated wireless
Background computer monitoring center of production scheduling department of transformer station is sent data to, background computer monitoring center refers to through analyzing transmission
Distribution transforming is made to carry out pressure regulation, the pressure regulation carries out pressure regulation by the tap joint position and switching reactive-load compensation capacitor for adjusting distribution transforming.
In low-voltage control measures method for optimizing based on new village of the present invention, can be to Rural Power Distribution Network
In low-voltage reason accurately analyzed, propose that there is targetedly solution party so as to be directed to the reason for causing low-voltage
Case, it is ensured that the quality of voltage after improvement meets the production of urban residents and life is required, the present invention improves rural power grids end
Voltage, reduce circuit reactive current flowing, reduce electric energy loss, improve rural power grids supply voltage quality, reduce electric energy loss.
Embodiment described above is only that the preferred embodiment of the present invention is described, not the model to the present invention
Enclose and be defined, on the premise of without departing from design spirit of the present invention, technical side of the those of ordinary skill in the art to the present invention
Various modifications and improvement that case is made, all should fall in the protection domain of claims of the present invention determination.
Claims (3)
1. a kind of rural area low-voltage administering method, it is characterised in that comprise the following steps：
（1）Obtain systematic parameter and the actual measurement parameter of power distribution network；
（2）By high intelligent detection device and low-voltage distribution detection means obtain main transformer, SVR automatic feeder line voltage regulator, distribution transforming and
The data parameters of charge circuit, the data parameters include voltage, electric current, active power and reactive power；
（3）According to distribution network topological structure, electricity distribution network model is set up, and according to electricity distribution network model, systematic parameter, actual measurement ginseng
Number and data parameters, determine the trend distribution of whole distribution network by Load flow calculation；
（4）By trend distributional analysis electrical network low pressure reason and locations of low pressure；
（5）If low-voltage occurs in high voltage side of transformer, pressure regulation is carried out by main transformer tap gear；
（6）If during step down side outlet low-voltage, by adjust SVR automatic feeder line voltage regulator position of tapping switch with
Changing auto-transformer no-load voltage ratio carries out pressure regulation.
2. low-voltage administering method in rural area according to claim 1, it is characterised in that：Step（5）(6) pressure regulation is carried out in
Be all to carry out in the case of nothing no-power vacancy, if the situation of no-power vacancy is there are in the step, should first carry out Reactive-power control
Make idle be balanced, after carry out voltage modulated.
3. low-voltage administering method in rural area according to claim 1, it is characterised in that：Step（6）Comprise the following steps：
（5A）If step down side outlet low-voltage problem is all addressed, pressure regulation success；
（5B）If at the pressure regulation limit or the distribution transforming of SVR automatic feeder line voltage regulator, voltage is out-of-limit, by adjusting distribution transforming
Tap joint position and switching reactive-load compensation capacitor carry out pressure regulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611008737.3A CN106487022A (en) | 2016-11-16 | 2016-11-16 | A kind of rural area low-voltage administering method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611008737.3A CN106487022A (en) | 2016-11-16 | 2016-11-16 | A kind of rural area low-voltage administering method |
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| Publication Number | Publication Date |
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| CN106487022A true CN106487022A (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611008737.3A Pending CN106487022A (en) | 2016-11-16 | 2016-11-16 | A kind of rural area low-voltage administering method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221928A (en) * | 2017-05-23 | 2017-09-29 | 国网浙江省电力公司杭州供电公司 | A kind of feeder line based on TSC can access capacity calculation methods and location regulation method |
| CN112383050A (en) * | 2020-11-05 | 2021-02-19 | 国网山东省电力公司昌邑市供电公司 | Auxiliary decision making system and method based on rural distribution transformer gear shifting |
| CN114142483A (en) * | 2021-11-23 | 2022-03-04 | 国网辽宁省电力有限公司本溪供电公司 | AVC differential control system and method based on improved particle swarm optimization |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703374A (en) * | 2016-04-26 | 2016-06-22 | 国网安徽省电力公司经济技术研究院 | New-type urbanization-based low voltage treatment measures optimization method |
-
2016
- 2016-11-16 CN CN201611008737.3A patent/CN106487022A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703374A (en) * | 2016-04-26 | 2016-06-22 | 国网安徽省电力公司经济技术研究院 | New-type urbanization-based low voltage treatment measures optimization method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221928A (en) * | 2017-05-23 | 2017-09-29 | 国网浙江省电力公司杭州供电公司 | A kind of feeder line based on TSC can access capacity calculation methods and location regulation method |
| CN107221928B (en) * | 2017-05-23 | 2024-02-06 | 国网浙江省电力公司杭州供电公司 | TSC-based feeder accessible capacity calculation method and position adjustment method |
| CN112383050A (en) * | 2020-11-05 | 2021-02-19 | 国网山东省电力公司昌邑市供电公司 | Auxiliary decision making system and method based on rural distribution transformer gear shifting |
| CN114142483A (en) * | 2021-11-23 | 2022-03-04 | 国网辽宁省电力有限公司本溪供电公司 | AVC differential control system and method based on improved particle swarm optimization |
| CN114142483B (en) * | 2021-11-23 | 2023-10-13 | 国网辽宁省电力有限公司本溪供电公司 | AVC differential control system and method based on improved particle swarm algorithm |
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Application publication date: 20170308 |
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