CN105703374A - New-type urbanization-based low voltage treatment measures optimization method - Google Patents
New-type urbanization-based low voltage treatment measures optimization method Download PDFInfo
- Publication number
- CN105703374A CN105703374A CN201610272303.8A CN201610272303A CN105703374A CN 105703374 A CN105703374 A CN 105703374A CN 201610272303 A CN201610272303 A CN 201610272303A CN 105703374 A CN105703374 A CN 105703374A
- Authority
- CN
- China
- Prior art keywords
- voltage
- load
- distribution
- power
- low
- 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.)
- Granted
Links
Classifications
-
- 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
- H02J3/16—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by adjustment of reactive power
-
- 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 invention relates to a new-type urbanization-based low voltage treatment measures optimization method, which comprises the steps as follows: system parameters of a power distribution network are obtained; the maximum load as shown in the specification of a distribution transformer is calculated according to the distribution transformer capacity; eta represents the load rate of the distribution transformer; S represents the capacity of the distribution transformer; rhi represents a power factor; the current power load of a load terminal is counted; the reason of a low voltage is judged according to the system parameters, and the power load, namely the maximum load of the distribution transformer; if the current power load is greater than the maximum load P of the distribution transformer, voltage adjustment is carried out through a power distribution device; and if the current power load is smaller than the maximum load P of the distribution transformer and when terminal voltage fluctuation of a to-be-tested circuit is greater than a standard value, voltage adjustment is carried out through a wire with a relatively large wire diameter. The terminal voltage of an urban power grid is improved; the reactive current flow of the circuit is reduced; the electric energy loss is reduced; and the quality of a power supply voltage of a rural power grid is improved.
Description
Technical field
The present invention relates to a kind of low-voltage administering method, be specifically related to a kind of low-voltage control measures method for optimizing based on novel urbanization。
Background technology
In recent years, along with expanding economy, the huge increasing of load of urban power grid, the need for electricity of user improves constantly, and China's rural power grids circuit is long, wire diameter is meticulous, boost, the equipment that compensates is not enough, causes that rural power grids terminal voltage, power factor are too low, had a strong impact on the normal electricity consumption of rural power grids user, so a series of voltage-regulation measure must be taked, guarantee voltage meets the requirement that electrical network specifies。If power grid user brownout, power factor are too low, it may appear that equipment cannot start, equipment runs abnormal, affects the normal electricity consumption of user。It is all installation separate unit reactive-load compensation equipment on a circuit that the low-voltage of current rural power grids is administered, and equipment room is without communication, it is impossible to be uniformly controlled, cost is high, voltage regulation effect is inconspicuous。
Summary of the invention
It is an object of the invention to provide a kind of low-voltage control measures method for optimizing based on novel urbanization, the method is not when changing existing urban power grid structure, by there being the pressure regulation of load transformator, automatic feeder line voltage regulator device and distribution transformer, realize low-voltage to administer, improve terminal voltage and meet power demands。
For achieving the above object, present invention employs techniques below scheme: include
A kind of low-voltage control measures method for optimizing based on novel urbanization, comprises the following steps:
(1) obtaining the systematic parameter of power distribution network, described systematic parameter includes distribution line model, distribution line length, distribution transforming model and capacity of distribution transform；
(2) distribution transforming peak load is calculated according to capacity of distribution transformWherein η represents distribution transforming load factor, and S represents capacity of distribution transform,Represent power factor；
(3) statistics load end current power load；
(4) peak load according to systematic parameter, power load and distribution transforming, it is judged that low-voltage reason；
(5) if current power load is more than distribution transforming peak load P, then pressure regulation is carried out by power distribution equipment；
(6) if current power load is less than distribution transforming peak load P, and line end voltage pulsation to be measured more than standard value time, then carry out pressure regulation by changing the bigger wire of wire diameter。
Carry out pressure regulation by power distribution equipment described in step (5), comprise the following steps:
(A) high intelligent detection device and low-voltage distribution detecting device it are respectively mounted in main transformer, SVR automatic feeder line voltage regulator, distribution transforming and charge circuit terminal；
(B) obtained the data parameters of main transformer, SVR automatic feeder line voltage regulator, distribution transforming and charge circuit by high intelligent detection device and low-voltage distribution detecting device, this data parameters includes voltage, electric current, active power and reactive power；
(C) electrical network locations of low pressure is analyzed by data parameters；
(D) if SVR automatic feeder line voltage regulator, distribution transforming and charge circuit end all low voltage occur, then pressure regulation is carried out by adjustment main transformer tap gear；
(E) if distribution transforming and charge circuit end all low voltage occur, then pressure regulation is carried out by the position of tapping switch of adjustment SVR automatic feeder line voltage regulator to change autotransformer no-load voltage ratio；
(F) if only low voltage occurs in charge circuit end, then tap joint position and switching reactive-load compensation capacitor by adjusting distribution transforming carry out pressure regulation。
Carrying out pressure regulation in step (D), (E) and (F) is all carry out in without no-power vacancy situation, if having the situation of no-power vacancy in this step, should first carry out Reactive-power control and make idle being balanced, after carry out voltage modulated。
Step (D) comprises the following steps:
(D1) if the low pressure problem of SVR automatic feeder line voltage regulator, distribution transforming and charge circuit end is addressed, then pressure regulation success；
(D2) if adjusting main transformer tap gear arrive the limit, and when SVR automatic feeder line voltage regulator or distribution transforming place low pressure problem are still unresolved, then pressure regulation is carried out by the position of tapping switch of adjustment SVR automatic feeder line voltage regulator to change autotransformer no-load voltage ratio；
(D3) if 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 still unresolved, then tap joint position and switching reactive-load compensation capacitor by adjusting distribution transforming carry out pressure regulation。
Step (E) comprises the following steps:
(E1) if distribution transforming and charge circuit end low pressure problem are all addressed, then pressure regulation success；
(E2) if the SVR automatic feeder line voltage regulator pressure regulation limit or distribution transforming place voltage are out-of-limit, and when charge circuit end low pressure problem is still unresolved, then tap joint position and switching reactive-load compensation capacitor by adjusting distribution transforming carry out pressure regulation。
Voltage pulsation described in step (6), is obtained by following steps:
(6a) end minimum load voltage value and the peak load magnitude of voltage of circuit to be measured are detected；
(6b) the photovoltaic capacity information that each node of circuit to be measured accesses is obtained；
(6c) length and the resistance per unit length information of each part of path of circuit to be measured are obtained；
(6d) the nominal voltage information of circuit to be measured is obtained；
(6e) voltage pulsation model is built:
Wherein, Δ V represents that load accesses front and back line end scope range of the fluctuation of voltage, and R represents the resistance per unit length of each part of path, and L represents the length of each part of path, U0Represent circuit nominal voltage, S ' represents the capacity per family that each node of circuit accesses, and node N is line end node, when N value is 1, representing a family line attachment, the end peak load magnitude of voltage U of U ' circuit to be measured represents the end minimum load voltage value on survey line road。
As shown from the above technical solution, of the present invention based in the low-voltage control measures method for optimizing of novel urbanization, low-voltage reason in town power distribution network can be carried out accurate analysis, the reason of low-voltage is caused to propose pointed solution thus being directed to, ensure that the quality of voltage after administering meets production and the life requirement of town dweller, the present invention improves the voltage of urban power grid end, reduce the flowing of circuit reactive current, reduce electric energy loss, improve rural power grids supply voltage quality。
Accompanying drawing explanation
Fig. 1 is the method flow diagram of the present invention。
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described:
At present, transformer station does not possess the monitoring function to load point voltage, can not make adjustment in time when load point voltage out-of-limit, thus affect quality of voltage。In realizing the process that low-voltage regulates, in main transformer, SVR automatic feeder line voltage regulator, distribution transforming and represent user side and all install high intelligent monitoring device and low voltage distribution monitoring device, this monitoring device integrates detection voltage, electric current and power factor, it is achieved to real-time voltage information monitoring everywhere and the transmission to signal instruction。It is 0%～+7% for 10kV busbar voltage tolerance。User's receiving end 10kV voltage tolerance is-7%～+7%, and 0.38kV voltage tolerance is-7%～+7%, and 0.22kV voltage tolerance is-10%～+7%。When quality of voltage is unsatisfactory for requiring, carries out following methods and be adjusted。
The low-voltage control measures method for optimizing based on novel urbanization of this enforcement, specifically includes following steps:
S1: obtaining the systematic parameter of power distribution network, described systematic parameter includes distribution line model, distribution line length, distribution transforming model and capacity of distribution transform；
S2: calculate distribution transforming peak load according to capacity of distribution transformWherein η represents distribution transforming load factor, and S represents capacity of distribution transform,Represent power factor；
S3: statistics load end current power load；
S4: the peak load according to systematic parameter, power load and distribution transforming, it is judged that low-voltage reason；
S5: if current power load is more than distribution transforming peak load P, then carrying out pressure regulation by power distribution equipment, this step specifically includes following steps:
S51: be respectively mounted high intelligent detection device and low-voltage distribution detecting device in main transformer, SVR automatic feeder line voltage regulator, distribution transforming and charge circuit terminal；
S52: obtained the data parameters of main transformer, SVR automatic feeder line voltage regulator, distribution transforming and charge circuit by high intelligent detection device and low-voltage distribution detecting device, this data parameters includes voltage, electric current, active power and reactive power；
S53: analyzed electrical network low pressure reason and locations of low pressure by data parameters；
S54: if low voltage all occur in SVR automatic feeder line voltage regulator, distribution transforming and charge circuit end and during without no-power vacancy, then send data to background computer monitoring center of production scheduling department of transformer station by GSM automated wireless, then regulate main shift by automatic or manual and carry out pressure regulation, if there is no-power vacancy, should first carry out Reactive-power control and make idle being 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, then pressure regulation success；Arrive the limit when adjusting main transformer tap gear, and when SVR automatic feeder line voltage regulator or distribution transforming place low pressure problem are still unresolved, then carry out pressure regulation by the position of tapping switch of adjustment SVR automatic feeder line voltage regulator to change autotransformer 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 still unresolved, then tap joint position and switching reactive-load compensation capacitor by adjusting distribution transforming carry out pressure regulation。
S55: if low voltage all occur in distribution transforming and charge circuit end and during without no-power vacancy, then send data to background computer monitoring center of production scheduling department of transformer station by GSM automated wireless, send instruction by analysis and carry out pressure regulation by adjusting the position of tapping switch of SVR automatic feeder line voltage regulator to change autotransformer no-load voltage ratio, if there is no-power vacancy, should first carry out Reactive-power control and make idle being balanced, after carry out voltage modulated；
If distribution transforming and charge circuit end low pressure problem are all addressed, then pressure regulation success；If the SVR automatic feeder line voltage regulator pressure regulation limit or distribution transforming place voltage are out-of-limit, and when charge circuit end low pressure problem is still unresolved, then tap joint position and switching reactive-load compensation capacitor by adjusting distribution transforming carry out pressure regulation。
S56: if only low voltage occurs in charge circuit end, low voltage distribution monitoring device sends data to background computer monitoring center of production scheduling department of transformer station by GSM automated wireless, background computer monitoring center sends instructions to distribution transforming by analysis and carries out pressure regulation, and this pressure regulation carries out pressure regulation by the tap joint position and switching reactive-load compensation capacitor adjusting distribution transforming。
S6: if current power load is less than distribution transforming peak load P, and line end voltage pulsation to be measured more than standard value time, then carry out pressure regulation by changing the bigger wire of wire diameter。
Voltage pulsation described in this step, is obtained by following steps:
A: detect end minimum load voltage value and the peak load magnitude of voltage of circuit to be measured；
B: obtain the photovoltaic capacity information that each node of circuit to be measured accesses；
C: obtain length and the resistance per unit length information of each part of path of circuit to be measured；
D: obtain the nominal voltage information of circuit to be measured；
E builds voltage pulsation model:
Wherein, Δ V represents that load accesses front and back line end scope range of the fluctuation of voltage, and R represents the resistance per unit length of each part of path, and L represents the length of each part of path, U0Represent circuit nominal voltage, S ' represents the capacity per family that each node of circuit accesses, and node N is line end node, when N value is 1, representing a family line attachment, the end peak load magnitude of voltage U of U ' circuit to be measured represents the end minimum load voltage value on survey line road。If during the standard value that Δ V specifies more than electrical network, then the wire by changing wire diameter bigger carries out pressure regulation。
Of the present invention based in the low-voltage control measures method for optimizing of novel urbanization, low-voltage reason in town power distribution network can be carried out accurate analysis, the reason of low-voltage is caused to propose pointed solution thus being directed to, ensure that the quality of voltage after administering meets production and the life requirement of town dweller, the present invention improves the voltage of urban power grid end, reduces the flowing of circuit reactive current, reduces 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 scope of the present invention is defined; under the premise designing spirit without departing from the present invention; various deformation that technical scheme is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that claims of the present invention is determined。
Claims (6)
1. the low-voltage control measures method for optimizing based on novel urbanization, it is characterised in that comprise the following steps:
(1) obtaining the systematic parameter of power distribution network, described systematic parameter includes distribution line model, distribution line length, distribution transforming model and capacity of distribution transform；
(2) distribution transforming peak load is calculated according to capacity of distribution transformWherein η represents distribution transforming load factor, and S represents capacity of distribution transform,Represent power factor；
(3) statistics load end current power load；
(4) peak load according to systematic parameter, power load and distribution transforming, it is judged that low-voltage reason；
(5) if current power load is more than distribution transforming peak load P, then pressure regulation is carried out by power distribution equipment；
(6) if current power load is less than distribution transforming peak load P, and line end voltage pulsation to be measured more than standard value time, then carry out pressure regulation by changing the bigger wire of wire diameter。
2. the low-voltage control measures method for optimizing based on novel urbanization according to claim 1, it is characterised in that carry out pressure regulation by power distribution equipment described in step (5), comprises the following steps:
(A) high intelligent detection device and low-voltage distribution detecting device it are respectively mounted in main transformer, SVR automatic feeder line voltage regulator, distribution transforming and charge circuit terminal；
(B) obtained the data parameters of main transformer, SVR automatic feeder line voltage regulator, distribution transforming and charge circuit by high intelligent detection device and low-voltage distribution detecting device, this data parameters includes voltage, electric current, active power and reactive power；
(C) electrical network locations of low pressure is analyzed by data parameters；
(D) if SVR automatic feeder line voltage regulator, distribution transforming and charge circuit end all low voltage occur, then pressure regulation is carried out by adjustment main transformer tap gear；
(E) if distribution transforming and charge circuit end all low voltage occur, then pressure regulation is carried out by the position of tapping switch of adjustment SVR automatic feeder line voltage regulator to change autotransformer no-load voltage ratio；
(F) if only low voltage occurs in charge circuit end, then tap joint position and switching reactive-load compensation capacitor by adjusting distribution transforming carry out pressure regulation。
3. the low-voltage control measures method for optimizing based on novel urbanization according to claim 2, it is characterized in that: carrying out pressure regulation in step (D), (E) and (F) is all carry out in without no-power vacancy situation, if this step has the situation of no-power vacancy, should first carry out Reactive-power control and make idle being balanced, after carry out voltage modulated。
4. the low-voltage control measures method for optimizing based on novel urbanization according to claim 2, it is characterised in that: step (D) comprises the following steps:
(D1) if the low pressure problem of SVR automatic feeder line voltage regulator, distribution transforming and charge circuit end is addressed, then pressure regulation success；
(D2) if adjusting main transformer tap gear arrive the limit, and when SVR automatic feeder line voltage regulator or distribution transforming place low pressure problem are still unresolved, then pressure regulation is carried out by the position of tapping switch of adjustment SVR automatic feeder line voltage regulator to change autotransformer no-load voltage ratio；
(D3) if 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 still unresolved, then tap joint position and switching reactive-load compensation capacitor by adjusting distribution transforming carry out pressure regulation。
5. the low-voltage control measures method for optimizing based on novel urbanization according to claim 2, it is characterised in that: step (E) comprises the following steps:
(E1) if distribution transforming and charge circuit end low pressure problem are all addressed, then pressure regulation success；
(E2) if the SVR automatic feeder line voltage regulator pressure regulation limit or distribution transforming place voltage are out-of-limit, and when charge circuit end low pressure problem is still unresolved, then tap joint position and switching reactive-load compensation capacitor by adjusting distribution transforming carry out pressure regulation。
6. the low-voltage control measures method for optimizing based on novel urbanization according to claim 1, it is characterised in that the voltage pulsation described in step (6), is obtained by following steps:
(6a) end minimum load voltage value and the peak load magnitude of voltage of circuit to be measured are detected；
(6b) the photovoltaic capacity information that each node of circuit to be measured accesses is obtained；
(6c) length and the resistance per unit length information of each part of path of circuit to be measured are obtained；
(6d) the nominal voltage information of circuit to be measured is obtained；
(6e) voltage pulsation model is built:
Wherein, △ V represents that load accesses front and back line end scope range of the fluctuation of voltage, and R represents the resistance per unit length of each part of path, and L represents the length of each part of path, U0Represent circuit nominal voltage, S ' represents the capacity per family that each node of circuit accesses, and node N is line end node, when N value is 1, representing a family line attachment, the end peak load magnitude of voltage U of U ' circuit to be measured represents the end minimum load voltage value on survey line road。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610272303.8A CN105703374B (en) | 2016-04-26 | 2016-04-26 | New-type urbanization-based low voltage treatment measures optimization method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610272303.8A CN105703374B (en) | 2016-04-26 | 2016-04-26 | New-type urbanization-based low voltage treatment measures optimization method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105703374A true CN105703374A (en) | 2016-06-22 |
| CN105703374B CN105703374B (en) | 2017-03-22 |
Family
ID=56216634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610272303.8A Active CN105703374B (en) | 2016-04-26 | 2016-04-26 | New-type urbanization-based low voltage treatment measures optimization method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105703374B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106487022A (en) * | 2016-11-16 | 2017-03-08 | 合肥普望电子有限责任公司 | A kind of rural area low-voltage administering method |
| CN106505577A (en) * | 2016-11-16 | 2017-03-15 | 合肥普望电子有限责任公司 | A kind of power distribution network low-voltage pressure regulation method |
| 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 |
| CN109638891A (en) * | 2019-01-25 | 2019-04-16 | 中国科学院电工研究所 | The configuration method of the power grid controlling device of online photovoltaic generating system |
| CN110429592A (en) * | 2019-08-06 | 2019-11-08 | 国网四川省电力公司电力科学研究院 | A kind of 10kV route pressure regulator installation site and Capacity Selection method |
| CN111049149A (en) * | 2019-12-10 | 2020-04-21 | 东北电力大学 | Power grid terminal low voltage treatment method |
| CN113452030A (en) * | 2021-07-23 | 2021-09-28 | 南方电网电力科技股份有限公司 | Line voltage regulating method and device, electronic equipment and storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236688A (en) * | 2012-11-09 | 2013-08-07 | 云南电网公司昆明供电局 | Method for calculating distribution network power supply capacity based on load characteristics |
| CN105337407A (en) * | 2014-08-14 | 2016-02-17 | 上海博英信息科技有限公司 | Zone area low-voltage analysis method and system |
-
2016
- 2016-04-26 CN CN201610272303.8A patent/CN105703374B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236688A (en) * | 2012-11-09 | 2013-08-07 | 云南电网公司昆明供电局 | Method for calculating distribution network power supply capacity based on load characteristics |
| CN105337407A (en) * | 2014-08-14 | 2016-02-17 | 上海博英信息科技有限公司 | Zone area low-voltage analysis method and system |
Non-Patent Citations (2)
| Title |
|---|
| 刘洋: "配电网电压无功三级联调综合控制的研究与应用", 《中国优秀硕士学位论文全文数据库（电子期刊）》 * |
| 王文江、徐红旗: "降低农村高低压线损有妙招", 《中国电力报》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106487022A (en) * | 2016-11-16 | 2017-03-08 | 合肥普望电子有限责任公司 | A kind of rural area low-voltage administering method |
| CN106505577A (en) * | 2016-11-16 | 2017-03-15 | 合肥普望电子有限责任公司 | A kind of power distribution network low-voltage pressure regulation method |
| 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 |
| CN109638891A (en) * | 2019-01-25 | 2019-04-16 | 中国科学院电工研究所 | The configuration method of the power grid controlling device of online photovoltaic generating system |
| CN110429592A (en) * | 2019-08-06 | 2019-11-08 | 国网四川省电力公司电力科学研究院 | A kind of 10kV route pressure regulator installation site and Capacity Selection method |
| CN110429592B (en) * | 2019-08-06 | 2022-11-08 | 国网四川省电力公司电力科学研究院 | 10kV line voltage regulator installation position and capacity selection method |
| CN111049149A (en) * | 2019-12-10 | 2020-04-21 | 东北电力大学 | Power grid terminal low voltage treatment method |
| CN111049149B (en) * | 2019-12-10 | 2022-09-09 | 东北电力大学 | Power grid terminal low voltage treatment method |
| CN113452030A (en) * | 2021-07-23 | 2021-09-28 | 南方电网电力科技股份有限公司 | Line voltage regulating method and device, electronic equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105703374B (en) | 2017-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105703374A (en) | New-type urbanization-based low voltage treatment measures optimization method | |
| CN101325367B (en) | Circuit for correcting part active power factor | |
| CN103606932B (en) | The low voltage dynamic reactive-power compensation capacitor autocontrol method that load is relevant | |
| CN104810842B (en) | Independent micro-capacitance sensor hierarchical coordinative control method based on different time scales | |
| CN103259267A (en) | Mold splitting type voltage control method for wind power plant cluster | |
| CN106505577A (en) | A kind of power distribution network low-voltage pressure regulation method | |
| CN104201693A (en) | Power distribution line reactive power optimization control method based on dynamic adjustment of power factor interval | |
| CN105610169B (en) | A kind of low-voltage network voltage control system and method | |
| CN105305577A (en) | Active intelligent charging pile not based on communication system, and intelligent charging method therefor | |
| CN113095595A (en) | Energy efficiency optimization method and system based on power distribution operation and maintenance | |
| CN110927447A (en) | Multi-core-modularization-based station area six-branch loss monitoring device and monitoring method | |
| CN201878088U (en) | Automatic voltage regulator of switching voltage regulator (SVR) line | |
| CN106972515B (en) | Electric energy control device, method and system for source end and charge end | |
| CN111614117A (en) | Transient voltage disturbance fast response control method for centralized photovoltaic power station | |
| CN109286235B (en) | Power supply system of power system monitoring equipment | |
| CN106487022A (en) | A kind of rural area low-voltage administering method | |
| CN201887493U (en) | Battery charging controller for electric automobile | |
| CN204144950U (en) | A kind of compensation program control circuit on-load voltage regulation system | |
| CN110011321A (en) | A kind of distributed photovoltaic variable slope droop control method based on head end voltage tracking | |
| CN105162126B (en) | Region voltage control method in AVC systems is adjusted a kind ofly | |
| CN104009489A (en) | Micro-grid management system and management method thereof | |
| CN203883477U (en) | Stepping type voltage regulator | |
| CN106532783B (en) | Distributed photovoltaic coordination control system | |
| CN205680269U (en) | A kind of intelligent substation monitoring system based on wireless sensor technology | |
| CN103346574B (en) | Method for controlling electrified railway traction substation 55kV side static var compensator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |