CN105071399A - Voltage and reactive power coordinated control system based on interaction and coordination of primary and distributed networks - Google Patents
Voltage and reactive power coordinated control system based on interaction and coordination of primary and distributed networks Download PDFInfo
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- CN105071399A CN105071399A CN201510531030.XA CN201510531030A CN105071399A CN 105071399 A CN105071399 A CN 105071399A CN 201510531030 A CN201510531030 A CN 201510531030A CN 105071399 A CN105071399 A CN 105071399A
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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
- Y02E40/30—Reactive power compensation
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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
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/22—Flexible AC transmission systems [FACTS] or power factor or reactive power compensating or correcting units
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Abstract
The invention discloses a voltage and reactive power coordinated control system based on interaction and coordination of primary and distributed networks. The system comprises a three-stage coordinated distributed network AVC control system and a distributed network reactive voltage analysis and evaluation system. The three-stage coordinated distributed network AVC control system is installed on a distribution network real-time operation service platform; and the distributed network reactive voltage analysis and evaluation system is installed on a distribution network unified service platform. The three-stage coordinated distributed network AVC control system is respectively connected with an SCADA, an EMS, a distribution transform loaded tap joint, a distribution transform reactive power compensator, a line voltage regulator, and a line reactive power compensator in a power system by a real-time data flexible data. The distributed network reactive voltage analysis and evaluation system is connected with a PMS system, a PI interface, and an electricity consumption information collection system by a distribution operation model information interaction bus. The voltage and reactive power coordinated control system has the following beneficial effects: reactive voltage equipment can be effectively managed; and a voltage qualified rate can be monitored.
Description
Technical field
The invention belongs to power distribution network field of energy-saving technology, be specifically related to a kind of voltage reactive integrated control system coordinated based on master, power distribution network interaction.
Background technology
Voltage is one of important indicator of the quality of power supply, and the quality of quality of voltage decides the safety and economic operation of electric power system, also determine the performance of power consumption equipment, production efficiency and product quality; " notice about issuing national rural area power supply reliability and resident's receiving end voltage yield criterion " that country issues, specify that the standard of rate of qualified voltage, improves rate of qualified voltage propose requirements at the higher level for improvement low-voltage.
Territory, county Medial & Low Voltage Power Network extensively adopts one-way radiation type supply power mode that is tree-like, multiple-limb.The feature of these circuits is: radius of electricity supply is long, and power factor is low, terminal voltage is of poor quality, and line loss is large; The underproof problem of existing distribution network voltage is day by day serious.The too high or too low part household electrical appliance (as air-conditioning, computer etc.) that all can cause of terminal voltage cannot normally work, the phenomenon that even can be damaged, meanwhile, cause because power factor is low Medial & Low Voltage Power Network electric energy loss high, bring unnecessary economic loss to power supply enterprise.
Summary of the invention
Object of the present invention is exactly to solve the problem, and propose a kind of voltage reactive integrated control system coordinated based on master, power distribution network interaction, this system can effectively control reactive voltage equipment, carries out rate of qualified voltage monitoring.
To achieve these goals, the present invention adopts following technical scheme:
Based on the voltage reactive integrated control system that master, power distribution network interaction are coordinated, comprising: three grades of coordination power distribution network AVC control system and electric distribution network reactive-voltage analysis and evaluation system;
Described three grades of coordination power distribution network AVC control system are installed on distribution real time execution service platform, run on safe I district; Described electric distribution network reactive-voltage analysis and evaluation system is installed on distribution unitary service platform, runs on safe Ш district; Described three grades of coordination power distribution network AVC control system are connected with the SCADA in electric power system, EMS, distribution transforming load tap changer, distribution transforming reactive power compensator, circuit voltage regulator and reactive power compensation system device respectively by real time data flexible bus; Described electric distribution network reactive-voltage analysis and evaluation system is connected with PMS system, PI interface and power information acquisition system respectively by distribution moving model information interactive bus;
Coordinate distribution AVC system by positive physical isolation device, service data is sent to electric distribution network reactive-voltage evaluating system, is convenient to assess reactive voltage equipment close-loop control scheme for three grades.
Described three grades of coordination power distribution network AVC control system comprise: major network AVC system, distribution AVC system, monitoring system for power distribution networks, reactive voltage monitoring of tools module, distribution visualization model and power distribution network emulation module.
Described electric distribution network reactive-voltage analysis and evaluation system comprises:
Reactive voltage intelligent evaluation module: take transformer station as institutional framework, with master, distribution feeder for fundamental analysis unit, causes the reason of quality of voltage problem to analyze to every bar feeder line;
Reactive voltage monitoring of equipment module: for monitoring the running status of the reactive voltage equipment in setting regions;
Rate of qualified voltage monitoring modular: for gathering the real time data of voltage monitoring system or individual voltage monitor device, power information acquisition system, SCADA, rate of qualified voltage is detected;
Complex optimum transformation module: for when off-line or online reactive voltage equipment is assessed.
Reactive power compensation ability configuration module: calculate for carrying out network-wide optimization configuration according to master, power distribution network electric network composition and actual load situation;
AVC analysis of operation benefit module: for by the comprehensive analysis to the instruction record of the action situation of operation of power networks data, equipment, the state of a control of equipment and AVC, analysis and evaluation is carried out to the on-road efficiency of AVC system.
Described reactive voltage intelligent evaluation module transfers the testing result of electrical network actual measurement load data, grid model data and rate of qualified voltage monitoring modular respectively, to occurring that the underproof feeder line of voltage carries out online power flow calculating; Calculation of tidal current is calculated to each node situation of electrical network by single transformer node situation, thus more fully shows electrical network low voltage situation.
Described rate of qualified voltage monitoring modular calculating voltage qualification rate specifically comprises:
1) for platform district transformer aspect:
Wherein, Transformer
1irepresent the i-th station power distribution transformer voltage qualification rate; t
qualifiedfor voltage qualified time, t
detectfor voltage monitoring total time;
2) for feeder line aspect:
Wherein, Transformer
2irepresent the i-th station power distribution transformer voltage qualification rate, n represents distribution transformer number of units in feeder line, 0<i<n; Line
jrepresent jth platform feeder voltage qualification rate;
3) for section/transformer station's aspect:
Zone
i＝0.5A+0.5(B+C+D)/3；
Wherein, Zone
irepresent i-th transformer station's power supply unit or certain subregion rate of qualified voltage, A is 10, press bus integrated voltage qualification rate in 20kV, B is 35kV and above large user's integrated voltage qualification rate, and C is main transformer and 10kV distribution transforming integrated voltage qualification rate, and D is low-voltage customer integrated voltage qualification rate.
The specific works process of described complex optimum transformation module comprises:
Step S1, obtains the distribution transformer electric quantity data of off-line, or obtains distribution transformer platform area real time data from power information acquisition system, is normalized basis of formation data platform to the data obtained;
Step S2, transfer each feeder line of rate of qualified voltage monitoring modular online feedback, transformer substation voltage qualification rate data, carry out electrical network scope, the statistical analysis of node voltage qualification rate, show that the current emphasis of electrical network exists node and the defective degree of voltage of quality of voltage problem;
Step S3, transfers the analysis result of each feeder line of reactive voltage intelligent evaluation module online feedback, the quality of voltage problem of transformer station, defective for voltage scope is clearly shown to electrical network scope by distribution transforming node;
Step S4, to obtain in electrical network after low-voltage problem analysis results, typical electrical network rectification scheme is quantized, and set up investment effect Mathematical Modeling, invest with the ratio of voltage optimization value as target function with prioritization scheme, choose the optimal solution that typical optimized algorithm solves target function, make investment minimum, return the highest.
Described reactive power compensation ability configuration module is according to voltage, power factor defective degree occurring in electrical network and occurring that position unification controls idle in electrical network, voltage control optimization device:
With device action scope and action frequency minimum be basic controlling principle, among a small circle or the situation of certain single position low-voltage, voltage apparatus single movement idle by place; The situation of low-voltage on a large scale, main consideration high voltage bus side device action, and coordinate indivedual local idle, voltage apparatus single movement.
The invention has the beneficial effects as follows:
1. present system can effectively manage reactive voltage equipment, carries out the function of rate of qualified voltage monitoring.Achieve from reactive power voltage analysis and assessment, signals collecting, be optimized to the overall process computer intelligence system that instruction performs.
2. the links of pair reactive voltage improvement, comprises the aspects such as operation measures, modification measures, newly-built power supply drop point and control measures and provides complete set, comprehensive Assistant Decision-making System for Road.
3. the present invention meets the requirement of power distribution network economical operation, optimization quality of voltage, each side such as raising power factor, wastage reducing and energy saving etc.
Accompanying drawing explanation
Fig. 1 is present system structural representation;
Fig. 2 is electric distribution network reactive-voltage analysis and evaluation system construction drawing of the present invention.
Embodiment:
Below in conjunction with accompanying drawing and embodiment, the present invention will be further described:
As shown in Figure 1, based on the voltage reactive integrated control system that master, power distribution network interaction are coordinated, mainly comprise three grades of coordination power distribution network AVC control system and the electric distribution network reactive-voltage analysis and evaluation system of function enhancing.
Three grades of coordination power distribution network AVC control system that function strengthens are installed on distribution real time execution service platform, run on safe I district, comprise major network AVC system and distribution AVC system, except there is traditional distribution network monitoring function, also add reactive voltage monitoring of tools module, distribution visualization model, power distribution network emulation module etc.
The real time data flexible bus in safe I district is connected with SCADA (data acquisition and monitoring control system), EMS (Element management system) in electric power system, distribution transforming load tap changer, distribution transforming reactive power compensator, circuit voltage regulator, reactive power compensation system device.
As shown in Figure 2, electric distribution network reactive-voltage analysis and evaluation system is installed on distribution unitary service platform, runs on safe Ш district, need and PMS, EMS (SCADA), power information acquisition system interface, to obtain whole master, electricity distribution network model.Device parameter and service data, carry out complete reactive voltage analysis and evaluation function.It mainly comprises reactive voltage intelligent evaluation module, reactive voltage device management module, rate of qualified voltage monitoring modular, complex optimum transformation module, reactive power compensation ability configuration module and AVC analysis of operation benefit module.
Wherein, (1) reactive voltage intelligent evaluation module, this module general principle is as follows:
Take transformer station as institutional framework, with master, distribution feeder for fundamental analysis unit, by optimized algorithm and measured data, analyze the reason that every bar feeder line causes quality of voltage problem, such as circuit is long, and wire diameter is meticulous, and reactive power compensation is not enough.
(2) reactive voltage device management module, this module general principle is as follows:
To the reactive voltage equipment in institute of district electric company compass of competency, comprise the transformer in transformer station, capacitor, the equipment such as the reactive power compensation system on feeder line, circuit voltage regulator, distribution transformer reactive power compensation, load tap changing distribution transformer carries out monitoring and analyzing.
(3) rate of qualified voltage monitoring modular, this module general principle is as follows:
Obtain real time data according in voltage monitoring system or individual voltage monitor device, power information acquisition system, SCADA, carry out the monitoring of rate of qualified voltage.
The method of calculating voltage qualification rate specifically comprises:
1) for platform district transformer aspect:
Wherein, Transformer
1irepresent the i-th station power distribution transformer voltage qualification rate; t
qualifiedfor voltage qualified time, t
detectfor voltage monitoring total time;
2) for feeder line aspect:
Wherein, Transformer
2irepresent the i-th station power distribution transformer voltage qualification rate, n represents distribution transformer number of units in feeder line, 0<i<n; Line
jrepresent jth platform feeder voltage qualification rate;
3) for section/transformer station's aspect:
Zone
i＝0.5A+0.5(B+C+D)/3；
Wherein, Zone
irepresent i-th transformer station's power supply unit or certain subregion rate of qualified voltage, A is 10, press bus integrated voltage qualification rate in 20kV, B is 35kV and above large user's integrated voltage qualification rate, and C is main transformer and 10kV distribution transforming integrated voltage qualification rate, and D is low-voltage customer integrated voltage qualification rate.
(4) complex optimum transformation module, this functional module, is an independent software, may be used for off-line and online reactive voltage analysis and evaluation.
This module general principle is as follows:
Step S1, obtains the distribution transformer electric quantity data of off-line, or obtains distribution transformer platform area real time data from power information acquisition system, is normalized basis of formation data platform to the data obtained;
Step S2, transfer each feeder line of rate of qualified voltage monitoring modular online feedback, transformer substation voltage qualification rate data, carry out electrical network scope, the statistical analysis of node voltage qualification rate, show that the current emphasis of electrical network exists node and the defective degree of voltage of quality of voltage problem;
Step S3, transfers the analysis result of each feeder line of reactive voltage intelligent evaluation module online feedback, the quality of voltage problem of transformer station, defective for voltage scope is clearly shown to electrical network scope by distribution transforming node;
Step S4, after obtaining concrete genetic analysis result, needs to formulate concrete control measures, due to every control measures implement difficulty, tell on, aggregate investment differs, and interact, need generalized analysis, find the optimum measure of the key of solution " low-voltage " problem.For certain need improve feeder line, the various measures of improvement comprise: change wire diameter, the load tapchanging transformation of distribution transformer tap, distribution transformer replacing, install circuit voltage regulator, optimal reactive power allocation etc. additional.
Typical electrical network rectification scheme is quantized, and set up investment effect Mathematical Modeling, invest with the ratio of voltage optimization value as target function with prioritization scheme, choose typical optimized algorithm (as population, genetic algorithm etc.), solve the optimal solution of target function, make investment minimum, return the highest.
(5) reactive power compensation ability configuration module, this module general principle is as follows:
Described reactive power compensation ability configuration module carries out network-wide optimization configuration according to master, power distribution network electric network composition and actual load situation and calculates, consider investment, fall and undermine voltage regulation result, to the reactive power compensation of feeder line and distribution transformer low-pressure side, provide and the most reasonably configure place, configuration capacity and packet mode.According to voltage, power factor defective degree occurring in electrical network and occurring that position unification controls idle in electrical network, voltage control optimization device.According to device action scope action frequency minimum principle, indivedual low voltage condition is by local idle, voltage apparatus single movement, high voltage bus side device action is mainly considered in large-scale low voltage situations action, and coordinates local idle, voltage device individually to solve low pressure problem.The configuration that effective solution reactive power compensation calculating is continued to use empirical equation for a long time and brought can not quantitatively calculate and configure imbalance problem, effectively increases voltage-regulation means, improves rate of qualified voltage, reduces network loss, improves grid stability and ensure wider operation nargin.
(6) AVC analysis of operation benefit module, this module general principle is as follows:
If district electric company is provided with major network AVC and distribution AVC closed-loop control system, then by the comprehensive analysis to the instruction record of the action situation of operation of power networks data, equipment, the state of a control of equipment and AVC, analysis and evaluation can be carried out to the on-road efficiency of AVC system.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (7)
1., based on the voltage reactive integrated control system that master, power distribution network interaction are coordinated, it is characterized in that, comprising: three grades of coordination power distribution network AVC control system and electric distribution network reactive-voltage analysis and evaluation system;
Described three grades of coordination power distribution network AVC control system are installed on distribution real time execution service platform, run on safe I district; Described electric distribution network reactive-voltage analysis and evaluation system is installed on distribution unitary service platform, runs on safe Ш district; Described three grades of coordination power distribution network AVC control system are connected with the SCADA in electric power system, EMS, distribution transforming load tap changer, distribution transforming reactive power compensator, circuit voltage regulator and reactive power compensation system device respectively by real time data flexible bus; Described electric distribution network reactive-voltage analysis and evaluation system is connected with PMS system, PI interface and power information acquisition system respectively by distribution moving model information interactive bus;
Coordinate distribution AVC system by positive physical isolation device, service data is sent to electric distribution network reactive-voltage evaluating system, is convenient to assess reactive voltage equipment close-loop control scheme for three grades.
2. a kind of based on master, the interactive voltage reactive integrated control system coordinated of power distribution network as claimed in claim 1, it is characterized in that, described three grades of coordination power distribution network AVC control system comprise: major network AVC system, distribution AVC system, monitoring system for power distribution networks, reactive voltage monitoring of tools module, distribution visualization model and power distribution network emulation module.
3. a kind of based on master, the interactive voltage reactive integrated control system coordinated of power distribution network as claimed in claim 1, it is characterized in that, described electric distribution network reactive-voltage analysis and evaluation system comprises:
Reactive voltage intelligent evaluation module: take transformer station as institutional framework, with master, distribution feeder for fundamental analysis unit, causes the reason of quality of voltage problem to analyze to every bar feeder line;
Reactive voltage monitoring of equipment module: for monitoring the running status of the reactive voltage equipment in setting regions;
Rate of qualified voltage monitoring modular: for gathering the real time data of voltage monitoring system or individual voltage monitor device, power information acquisition system, SCADA, rate of qualified voltage is detected;
Complex optimum transformation module: for when off-line or online reactive voltage equipment is assessed.
Reactive power compensation ability configuration module: calculate for carrying out network-wide optimization configuration according to master, power distribution network electric network composition and actual load situation;
AVC analysis of operation benefit module: for by the comprehensive analysis to the instruction record of the action situation of operation of power networks data, equipment, the state of a control of equipment and AVC, analysis and evaluation is carried out to the on-road efficiency of AVC system.
4. a kind of based on master, the interactive voltage reactive integrated control system coordinated of power distribution network as claimed in claim 3, it is characterized in that, described reactive voltage intelligent evaluation module transfers the testing result of electrical network actual measurement load data, grid model data and rate of qualified voltage monitoring modular respectively, to occurring that the underproof feeder line of voltage carries out online power flow calculating; Calculation of tidal current is calculated to each node situation of electrical network by single transformer node situation, thus more fully shows electrical network low voltage situation.
5. a kind of based on master, the interactive voltage reactive integrated control system coordinated of power distribution network as claimed in claim 3, it is characterized in that, described rate of qualified voltage monitoring modular calculating voltage qualification rate specifically comprises:
1) for platform district transformer aspect:
Wherein, Transformer
1irepresent the i-th station power distribution transformer voltage qualification rate; t
qualifiedfor voltage qualified time, t
detectfor voltage monitoring total time;
2) for feeder line aspect:
Wherein, Transformer
2irepresent the i-th station power distribution transformer voltage qualification rate, n represents distribution transformer number of units in feeder line, 0<i<n; Line
jrepresent jth platform feeder voltage qualification rate;
3) for section/transformer station's aspect:
Zone
i＝0.5A+0.5(B+C+D)/3；
Wherein, Zone
irepresent i-th transformer station's power supply unit or certain subregion rate of qualified voltage, A is 10, press bus integrated voltage qualification rate in 20kV, B is 35kV and above large user's integrated voltage qualification rate, and C is main transformer and 10kV distribution transforming integrated voltage qualification rate, and D is low-voltage customer integrated voltage qualification rate.
6. a kind of based on master, the interactive voltage reactive integrated control system coordinated of power distribution network as claimed in claim 3, it is characterized in that, the specific works process that described complex optimum transforms module comprises:
Step S1, obtains the distribution transformer electric quantity data of off-line, or obtains distribution transformer platform area real time data from power information acquisition system, is normalized basis of formation data platform to the data obtained;
Step S2, transfer each feeder line of rate of qualified voltage monitoring modular online feedback, transformer substation voltage qualification rate data, carry out electrical network scope, the statistical analysis of node voltage qualification rate, show that the current emphasis of electrical network exists node and the defective degree of voltage of quality of voltage problem;
Step S3, transfers the analysis result of each feeder line of reactive voltage intelligent evaluation module online feedback, the quality of voltage problem of transformer station, defective for voltage scope is clearly shown to electrical network scope by distribution transforming node;
Step S4, to obtain in electrical network after low-voltage problem analysis results, typical electrical network rectification scheme is quantized, and set up investment effect Mathematical Modeling, invest with the ratio of voltage optimization value as target function with prioritization scheme, choose the optimal solution that typical optimized algorithm solves target function, make investment minimum, return the highest.
7. a kind of based on master, the interactive voltage reactive integrated control system coordinated of power distribution network as claimed in claim 3, it is characterized in that, described reactive power compensation ability configuration module is according to voltage, power factor defective degree occurring in electrical network and occurring that position unification controls idle in electrical network, voltage control optimization device:
With device action scope and action frequency minimum be basic controlling principle, among a small circle or the situation of certain single position low-voltage, voltage apparatus single movement idle by place; The situation of low-voltage on a large scale, main consideration high voltage bus side device action, and coordinate indivedual local idle, voltage apparatus single movement.
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| CN105514996B (en) * | 2015-12-30 | 2018-09-28 | 深圳供电局有限公司 | A kind of method and system of main distribution collaboration Load flow calculation |
| CN105718663A (en) * | 2016-01-21 | 2016-06-29 | 广东电网有限责任公司佛山供电局 | Automatic distribution network AUTOCAD design drawing identification method |
| CN105718663B (en) * | 2016-01-21 | 2018-08-21 | 广东电网有限责任公司佛山供电局 | Power distribution network AUTOCAD design drawing automatic identifying methods |
| CN106919064A (en) * | 2017-04-18 | 2017-07-04 | 国网上海市电力公司 | Collaborative simulation interface setting method |
| CN109217372A (en) * | 2018-10-31 | 2019-01-15 | 国网河北省电力有限公司 | Wind power plant AVC operational percentage and qualification rate calculation method based on data encoding |
| CN110601214A (en) * | 2019-10-30 | 2019-12-20 | 国网浙江浦江县供电有限公司 | Distribution network reactive voltage governance monitoring system |
| CN110739706A (en) * | 2019-11-13 | 2020-01-31 | 国电南瑞南京控制***有限公司 | Industrial park power distribution network dispatching system and power quality compensation equipment coordination control method |
| CN112258057A (en) * | 2020-10-27 | 2021-01-22 | 国网山东省电力公司昌邑市供电公司 | Analysis system capable of improving rural voltage qualification rate |
| CN112784475A (en) * | 2020-12-28 | 2021-05-11 | 云南电网有限责任公司瑞丽供电局 | Multi-agent technology-based multi-level voltage coordination control method for power distribution network |
| CN112784475B (en) * | 2020-12-28 | 2023-08-18 | 云南电网有限责任公司瑞丽供电局 | Multi-agent technology-based multi-stage voltage coordination control method for power distribution network |
| CN113285466A (en) * | 2021-04-27 | 2021-08-20 | 国网江苏省电力有限公司南京供电分公司 | Coordination control method for reactive voltage |
| CN113285466B (en) * | 2021-04-27 | 2022-07-19 | 国网江苏省电力有限公司南京供电分公司 | Coordination control method for reactive voltage |
| CN113241772A (en) * | 2021-05-31 | 2021-08-10 | 广东电网有限责任公司 | Method and device for controlling coordination of voltage and reactive power of power grid |
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