CN108988349A - Power distribution network multi-layer reactive voltage control method containing distribution type renewable energy - Google Patents
Power distribution network multi-layer reactive voltage control method containing distribution type renewable energy Download PDFInfo
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- CN108988349A CN108988349A CN201810582926.4A CN201810582926A CN108988349A CN 108988349 A CN108988349 A CN 108988349A CN 201810582926 A CN201810582926 A CN 201810582926A CN 108988349 A CN108988349 A CN 108988349A
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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
- 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
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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
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
- H02J3/1835—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control
- H02J3/1864—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein the stepless control of reactive power is obtained by at least one reactive element connected in series with a semiconductor switch
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- H02J3/382—
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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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Abstract
The present invention relates to the power distribution networks under the access of renewable distributed energies mesolow level to run control strategy, it is proposed a kind of power distribution network multi-layer reactive voltage control method for coordinating, to improve reactive voltage problem present in power distribution network, it is shared to reach social idle resource, promotes power distribution network customer power supply service quality.The control system can be segmented are as follows: reactive power/voltage control in region global optimization control, local real time coordination control and distribution type renewable energy substation station.Optimal control is to optimize control to the idle output of the reactive apparatus in entire control area in reactive voltage global set；Rational flow idle inside distribution line is realized in the real time coordination control of part by feeder voltage tuning controller；Reactive power/voltage control needs to make full use of the idle output in dual modulation capability control power station of renewable energy grid-connected converter in the station of power station, and power station power coordination controller is needed to realize.
Description
Technical field
The present invention relates to the power distribution networks under the access of renewable distributed energies multi-voltage grade to run control technology field, tool
Body is related to a kind of power distribution network multi-layer reactive voltage control method containing distribution type renewable energy.
Background technique
As quality of voltage is increasingly becoming the bottleneck of promotion power distribution network customer power supply service quality, the reactive power of power distribution network
Control is also increasingly taken seriously with voltage adjusting.Tradition is concentrated mainly on the research that idle control is adjusted with voltage with application
High voltage distribution network, research and application for medium voltage distribution network but lack relatively.First cause is since medium voltage distribution network is related to
Interstitial content it is huge, to install on a large scale voltage adjust and reactive power compensator both without may and also it is unnecessary；The second is because
The load level of different feeder lines is widely different, voltage often occurs and is difficult to the phenomenon that coordinating, and can not also form a preferable association
Tune mechanism.
The propulsion of distribution network technology is that the voltage of medium voltage distribution network is coordinated to bring opportunities and challenges with Reactive power control.
Opportunity is the demand after power distribution network first accesses a large amount of distributed power generations due to itself control, it is necessary to measure and control device is installed, this
The considerable measure-point amount of medium voltage distribution network certainly will be improved, this provides data basis for the reactive voltage coordinated control of power distribution network.
Secondly because providing the distributed generation resource of exportable reactive power, shunt capacitors on a distribution feeder group and dynamic passive compensation equipment etc. more
Add control means abundant, so that the idle resource of power distribution network is more abundant.Challenge is the hypersynchronous of distributed energy
Voltage level and current control strategy to power distribution network produce a series of far-reaching influences, and need to comprehensively consider more
Mostly schedulable unit.Therefore the idle work optimization for realizing power distribution network, needs more complicated, more intelligent coordination control strategy.
The optimal coordination of Optimum Theory is mainly based upon to distribution network voltage control method for coordinating at present, needs to coordinate to control
All reactive source and voltage adjuster are made, it is high for the demand of data, and the mutual of distinct device actuation time is not considered
Cooperation, therefore it is not easily applied in practice to the voltage coordinated control of power distribution network.Therefore the present invention is press-fitted in research distributed power generation pair
On the basis of the impact analysis of network voltage and its control strategy and existing distribution network voltage control method for coordinating, propose to be applicable in
Control system and control strategy are coordinated and optimized in the multi-layer reactive voltage of power distribution network, meets global optimization in power distribution network and realizes warp
The real-time voltage coordinated control that power distribution network is realized while Ji operation, makes voltage be in reasonable security interval always, it is ensured that match
Power quality during operation of power networks.
Summary of the invention
Present invention aims to overcome that above-mentioned prior art difficult point, proposes a kind of power distribution network containing distribution type renewable energy
Multi-layer reactive voltage control method, under conditions of the characteristic and distributed generation resource for considering power distribution network access, in multiple levels
The coordinated control for realizing voltage, makes voltage be in reasonable security interval always, it is ensured that the electric energy matter in power distribution network operational process
Amount.
The invention is realized by the following technical scheme:
A kind of power distribution network multi-layer reactive voltage control method containing distribution type renewable energy, in the spy for considering power distribution network
Property and distributed generation resource access under conditions of, in multiple levels realize voltage coordinated control, so that voltage is in reasonable always
Security interval, it is ensured that the power quality in power distribution network operational process；
The control method includes region global optimization control rule and local real time coordination control rule；
Wherein, region global optimization control be then by feeder line capacitor group switching, distributed energy it is idle
Output and the idle output of dynamic passive compensation equipment optimize control, in the voltage water for guaranteeing all feeder lines of whole region
On the basis of flat, Optimum Reactive Power Flow realizes region loss minimization or voltage integrated optimal quality；
Wherein, the control of local real time coordination be then as unit of feeder line, by the Reactive-power control of distributed energy on feeder line,
SVC dynamic passive compensation equipment and SVR, the voltage disturbance on real-time response feeder line, it is ensured that the global voltage on feeder line is horizontal
Always in reasonable interval range.
The further Technological improvement plan of the present invention is:
The region global optimization control rule is on the basis of power distribution network optimal load flow, by each on optimization feeder line
The idle output and adjustable transformer tap gear positions of reactive source, realize the reasonable layout of reactive power flow, reach satisfaction
Network voltage quality and the purpose for reducing line loss；Since the idle capacitor group switching time on feeder line is longer, actuation time
It is hour grade, switching frequency is limited within one day, therefore electric distribution network reactive-voltage global optimization control should be with a hour
Interval, establishes Optimized model as optimization aim using the line loss of whole day.
The further Technological improvement plan of the present invention is:
The part real time coordination control rule is guaranteed on the basis of electric distribution network reactive-voltage global optimization strategy
It is constant that the switching state and transforming plant main transformer tap gear of discrete type control variable capacitor group are in global optimization strategy
Under the premise of, by adjusting the tap gear of SVR on feeder line in real time and having the distributed energy of fast reactive responding ability
The idle output in source and SVC dynamic passive compensation equipment, it is ensured that all node voltages are in reasonable safety always on feeder line
In section；
The part real time coordination control rule includes: data acquisition module, data processing module and voltage restore mould
Block；Wherein data acquisition module mainly divides control domain in local autonomous control region, acquisition control domain data boundary,
Data are submitted into data processing module on this basis, data processing module carries out distribution network voltage level on the basis of this again
It calculates, to obtain voltage max in the autonomous control regionAnd minimum valueOn this basis, restored by voltage
Voltage-regulation amount needed for module calculates each reactive power source.
The further Technological improvement plan of the present invention is:
The voltage recovery module, includes the following steps:
The power and information of voltage that step 1, basis acquire in real time estimate the voltage's distribiuting situation and limit electricity of feeder line
Press regulated quantity；
Step 2 calculates local maximum voltage deviation Δ Uf；
In formula, Δ UfLimit value is got over for maximum voltage,For feeder voltage maximum value,For feeder voltage minimum value,
UmaxAnd UminRespectively feeder voltage upper and lower bound；
If step 3, Δ Uf=0, show that feeder voltage is in normal range intervals, does not have to carry out feeder voltage adjusting
Control, if Δ Uf≠ 0, then show that feeder line there are the out-of-limit situation of node voltage, is transferred to step 4；
If step 4, Δ UfReaching local voltage accommodation limit, then each reactive source is adjusted by maximal regulated ability,
Otherwise it is transferred to step 5；
Step 5, according to Δ UfValue select corresponding voltage to adjust pilot bus, due to Δ UfIt is a certain region of estimation
The voltage out-of-limit value of interior (between two block switches or branch defines switch downstream region) is not some specific node electricity
Pressure gets over limit value, in order to ensure Reactive-power control better effect, it is believed that the main node that voltage is adjusted is that voltage-is idle in region
That the smallest node of the sum of sensitivity, that is, have:
ΔUi=-Δ Uf
In formula, i is that the sum of idle sensitivity of voltage-that the smallest node, N are in the inner region of voltage out-of-limit feeder zone
Total node number in regionWithFor the idle sensitivity of node voltage-；
Step 6: according to step 4 interior joint voltage-idle Calculation of Sensitivity each distributed generation resource Reactive-power control amount:
ΔQkFor the Reactive-power control amount of each distributed generation resource.
Compared with prior art, the present invention having following obvious advantage:
One, the present invention combines the global optimization and local coordinated control of reactive voltage, is reaching total optimization control effect
While fruit, the local modulation of feeder voltage is taken into account.
Two, the multiple substation of method energy coordinated control proposed by the present invention takes into account the reactive compensation of the whole network, realizes idle
Layering balance, avoids and adjusts oscillation problem caused by can not cooperateing with because of substation.
Three, method proposed by the present invention can make full use of the Reactive-power control ability of distributed energy, coordinate and existing voltage
It adjusts and the control of idle control equipment (main transformer tap, capacitor group, SVC, SVR etc.) is run, realize power distribution network for feedback
Active, the optimal control of line voltage.
Detailed description of the invention
Fig. 1 is reactive voltage coordinated control system schematic diagram of the invention；
Fig. 2 is local coordinated control flow chart in the present invention；
Fig. 3 is voltage recovery control method flow chart in the present invention.
Specific embodiment
The present invention is described in detail in 1-3 and embodiment with reference to the accompanying drawing.
Fig. 1 is electric distribution network reactive-voltage coordinated control system schematic diagram.
Entire control system includes region global optimization control and local real time coordination control.
In the global set in region optimal control be then by feeder line capacitor group switching, distributed energy it is idle
Output and the idle output of dynamic passive compensation equipment optimize control, in the voltage water for guaranteeing all feeder lines of whole region
On the basis of flat, Optimum Reactive Power Flow realizes region loss minimization or voltage integrated optimal quality.The real time coordination control of part
It is then as unit of feeder line, by the Reactive-power control of distributed energy, dynamic passive compensation equipment and SVR etc. on feeder line, in fact
When response feeder line on voltage disturbance, it is ensured that the global voltage level on feeder line is in always in reasonable interval range.
Reactive voltage global optimization control, on the basis of power distribution network optimal load flow, by each idle on optimization feeder line
The idle output and adjustable transformer tap gear positions in source, realize the reasonable layout of reactive power flow, reach and meet network
Quality of voltage and the purpose for reducing line loss.Since the idle capacitor group switching time on feeder line is longer, actuation time is small
When grade, switching frequency is limited within one day, thus electric distribution network reactive-voltage global optimization control should be using a hour as interval,
Optimized model is established as optimization aim using the line loss of whole day.
Umin≤Ui(t)≤Umax (3)
Tmin≤T(t)≤Tmax (6)
Formula (1) indicates the objective function of electric distribution network reactive-voltage global optimization Controlling model, and formula (2) to (8) is then that this is excellent
Change the constraint condition of model.Δ P (t) indicates the line loss of t moment in formula (1)；What formula (2) indicated is the trend constraint of network,
Middle PGi(t) be the distributed energy that t moment node i is connected active power output, because of the reactive voltage global optimization of power distribution network
It is that idle work optimization is carried out on the basis of power distribution network optimal load flow, therefore PGi(t) it is equal under power distribution network optimal load flow strategy
Active power output value, QGi(t) be the distributed energy that t moment node i is connected idle power output, can be used as continuous type optimization become
Amount, the dynamic passive compensations equipment such as SVC are considered as the distributed energy that active power output is 0, QCiIt (t) is company of t moment node i institute
The idle power output of the capacitor group connect, can be used as discrete optimization variable, and the investment that value is equal to the moment capacitor group is always electric
Hold multiplied by node voltage square value (see formula (4)), U0It (t) is t moment balance nodes voltage magnitude (substation bus bar voltage value),
It is determined by main transformer tap joint position；Formula (3) is node voltage constraint, UminAnd UmaxRespectively indicate the lower limit value and upper of voltage permission
Limit value；Formula (5) indicates the idle power output restriction of distributed energy, lower limit valueAnd upper limit valueAccording to distribution
Energy source type different calculation methods are not also identical, and power output range that the distributed energy based on synchronous motor is idle is by its active power output
Value, rated capacity value and exciting current codetermine, and the distributed energy based on inverter is idle, and power output range is then had by it
Function power generating value and the maximum capacity of inverter determine that itself has distributed energy and SVC of reactive-load compensation equipment etc.
Idle power output range then has fixed upper lower limit value；Formula (6) and formula (7) respectively indicate the constraint of main transformer tap gear and capacitor
The switching group number of device group constrains；Formula (8) is then the switching frequency restriction of capacitor group whole day, OmaxIndicate capacitor group one
Its maximum actuation number allowed.
Fig. 2 is local coordinated control flow chart in the present invention.
Local control method for coordinating, on the basis of electric distribution network reactive-voltage global optimization strategy, i.e. guarantee discrete type control
The switching state and transforming plant main transformer tap gear of variable capacitor group processed be in global optimization strategy it is constant under the premise of,
By adjusting the tap gear of SVR on feeder line and distributed energy and SVC for having fast reactive responding ability etc. in real time
The idle output of dynamic passive compensation equipment, it is ensured that all node voltages are in always in reasonable security interval on feeder line.
The method of the coordinated control includes three parts: data acquisition, data processing and voltage restore.Wherein data are adopted
Collection part mainly divides control domain in local autonomous control region, acquisition control domain data boundary.On this basis will
Data submit to data processing module.Data processing module calculates distribution network voltage level on the basis of this again, to obtain
Obtain voltage max in the autonomous control regionAnd minimum valueOn this basis, it is calculated by voltage recovery module each
Voltage-regulation amount needed for reactive power source.
Fig. 3 is voltage recovery control method flow chart in the present invention.
The method of the coordinated control comprises the steps of:
(1): according to the power and information of voltage acquired in real time, estimating the voltage's distribiuting situation and limiting voltage of feeder line
Regulated quantity；
(2): calculating local maximum voltage deviation Δ Uf；
(in formula, Δ UfLimit value is got over for maximum voltage,For feeder voltage maximum value,For feeder voltage minimum value,
UmaxAnd UminRespectively feeder voltage upper and lower bound.)
(3) if Δ Uf=0, show that feeder voltage is in normal range intervals, does not have to carry out feeder voltage adjusting control
System, if Δ Uf≠ 0, then showing feeder line, there are the out-of-limit situations of node voltage, are transferred to step (4)
(4) if Δ UfReach local voltage accommodation limit, then each reactive source is adjusted by maximal regulated ability.Otherwise
It is transferred to step (5)
(5): according to Δ UfValue select corresponding voltage to adjust pilot bus.Due to Δ UfIt is in a certain region of estimation
The voltage out-of-limit value of (between two block switches or branch defines switch downstream region) is not some specific node voltage
More limit value, in order to ensure Reactive-power control better effect, it is believed that the main node that voltage is adjusted is the idle spirit of voltage-in region
That the smallest node of the sum of sensitivity, that is, have:
ΔUi=-Δ Uf
(in formula, i is that the smallest node of the sum of idle sensitivity of voltage-in the inner region of voltage out-of-limit feeder zone.N
For total node number in regionWithFor the idle sensitivity of node voltage-.)
(6): according to (4) interior joint voltage-idle Calculation of Sensitivity each distributed generation resource Reactive-power control amount:
(ΔQkFor the Reactive-power control amount of each distributed generation resource).
The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, although referring to above-described embodiment pair
The present invention is described in detail, those of ordinary skill in the art still can to a specific embodiment of the invention into
Row modifies perhaps equivalent replacement and these exist without departing from any modification of spirit and scope of the invention or equivalent replacement
Apply within pending claims of the invention.
Claims (4)
1. a kind of power distribution network multi-layer reactive voltage control method containing distribution type renewable energy, it is characterised in that: considering
Under conditions of characteristic and the distributed generation resource access of power distribution network, the coordinated control of voltage is realized in multiple levels, makes voltage always
In reasonable security interval, it is ensured that the power quality in power distribution network operational process；
The control method includes region global optimization control rule and local real time coordination control rule；
Wherein, region global optimization control is then by the idle output to capacitor group switching, distributed energy on feeder line
And the idle output of dynamic passive compensation equipment optimizes control, in the voltage level base for guaranteeing all feeder lines of whole region
On plinth, Optimum Reactive Power Flow realizes region loss minimization or voltage integrated optimal quality；
Wherein, local real time coordination control is then to pass through the Reactive-power control of distributed energy, SVC on feeder line as unit of feeder line
Dynamic passive compensation equipment and SVR, the voltage disturbance on real-time response feeder line, it is ensured that the global voltage level on feeder line is always
In reasonable interval range.
2. a kind of power distribution network multi-layer reactive power/voltage control side containing distribution type renewable energy according to claim 1
Method, it is characterised in that: the region global optimization control rule is on the basis of power distribution network optimal load flow, by optimizing feeder line
The idle output and adjustable transformer tap gear positions of upper each reactive source, realize the reasonable layout of reactive power flow, reach
To the purpose for meeting network voltage quality and reduction line loss；Since the idle capacitor group switching time on feeder line is longer, move
It is hour grade as the time, switching frequency is limited within one day, therefore electric distribution network reactive-voltage global optimization control should be with one
Hour is interval, establishes Optimized model as optimization aim using the line loss of whole day.
3. a kind of power distribution network multi-layer reactive power/voltage control side containing distribution type renewable energy according to claim 1
Method, it is characterised in that: it is described part real time coordination control rule be on the basis of electric distribution network reactive-voltage global optimization strategy,
The switching state and transforming plant main transformer tap gear for guaranteeing discrete type control variable capacitor group are in global optimization plan
Under the premise of slightly constant, by adjusting the tap gear of SVR on feeder line in real time and having point of fast reactive responding ability
The idle output of the cloth energy and SVC dynamic passive compensation equipment, it is ensured that all node voltages are in reasonable always on feeder line
Security interval in；
The part real time coordination control rule includes: data acquisition module, data processing module and voltage recovery module；Its
Middle data acquisition module mainly divides control domain in local autonomous control region, acquisition control domain data boundary, herein
On the basis of data are submitted into data processing module, data processing module is counted distribution network voltage level on the basis of this again
It calculates, to obtain voltage max in the autonomous control regionAnd minimum valueOn this basis, mould is restored by voltage
Voltage-regulation amount needed for block calculates each reactive power source.
4. a kind of power distribution network multi-layer reactive power/voltage control side containing distribution type renewable energy according to claim 3
Method, it is characterised in that: the voltage recovery module includes the following steps:
The power and information of voltage that step 1, basis acquire in real time, estimate the voltage's distribiuting situation and limiting voltage tune of feeder line
Section amount；
Step 2 calculates local maximum voltage deviation Δ Uf；
In formula, Δ UfLimit value is got over for maximum voltage,For feeder voltage maximum value,For feeder voltage minimum value, UmaxWith
UminRespectively feeder voltage upper and lower bound；
If step 3, Δ Uf=0, show that feeder voltage is in normal range intervals, does not have to carry out feeder voltage adjusting control,
If Δ Uf≠ 0, then show that feeder line there are the out-of-limit situation of node voltage, is transferred to step 4；
If step 4, Δ UfReach local voltage accommodation limit, then each reactive source is adjusted by maximal regulated ability, is otherwise turned
Enter step 5；
Step 5, according to Δ UfValue select corresponding voltage to adjust pilot bus, due to Δ UfIt is in a certain region of estimation
Voltage out-of-limit value is not some specific node voltage out-of-limit value, in order to ensure Reactive-power control better effect, it is believed that voltage
The main node of adjusting is that the smallest node of the sum of idle sensitivity of voltage-in region, that is, is had:
ΔUi=-Δ Uf
In formula, i is that the sum of idle sensitivity of voltage-that the smallest node, N are region in the inner region of voltage out-of-limit feeder zone
Interior total node numberWithFor the idle sensitivity of node voltage-；
Step 6: according to step 4 interior joint voltage-idle Calculation of Sensitivity each distributed generation resource Reactive-power control amount:
ΔQkFor the Reactive-power control amount of each distributed generation resource.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233497A (en) * | 2019-06-14 | 2019-09-13 | 国网安徽省电力有限公司电力科学研究院 | A kind of poverty alleviation photovoltaic local distribution network autonomy-coordination optimization regulation method and system |
| 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 |
| 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 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202586361U (en) * | 2012-05-17 | 2012-12-05 | 河南省电力公司鹤壁供电公司 | Power system on-line voltage reactive optimization coordination control device |
| WO2013158813A1 (en) * | 2012-04-18 | 2013-10-24 | Abb Research Ltd. | Distributed electrical power network model maintenance |
| CN104518513A (en) * | 2013-09-30 | 2015-04-15 | 北京电研华源电力技术有限公司 | Power distribution network voltage regulation and reactive compensation whole-network coordination control method and device |
| CN105119291A (en) * | 2015-08-26 | 2015-12-02 | 国网山东省电力公司 | Reactive voltage distribution type optimization control system and method |
| CN105226664A (en) * | 2015-10-14 | 2016-01-06 | 中国电力科学研究院 | A kind of active distribution network reactive voltage layer distributed control method for coordinating |
| JP5949073B2 (en) * | 2012-04-05 | 2016-07-06 | 東京電力ホールディングス株式会社 | Database operation system for power system analysis |
| CN106803677A (en) * | 2017-04-11 | 2017-06-06 | 四川大学 | A kind of active distribution network voltage management-control method and system based on distributed power source |
-
2018
- 2018-06-07 CN CN201810582926.4A patent/CN108988349A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5949073B2 (en) * | 2012-04-05 | 2016-07-06 | 東京電力ホールディングス株式会社 | Database operation system for power system analysis |
| WO2013158813A1 (en) * | 2012-04-18 | 2013-10-24 | Abb Research Ltd. | Distributed electrical power network model maintenance |
| CN202586361U (en) * | 2012-05-17 | 2012-12-05 | 河南省电力公司鹤壁供电公司 | Power system on-line voltage reactive optimization coordination control device |
| CN104518513A (en) * | 2013-09-30 | 2015-04-15 | 北京电研华源电力技术有限公司 | Power distribution network voltage regulation and reactive compensation whole-network coordination control method and device |
| CN105119291A (en) * | 2015-08-26 | 2015-12-02 | 国网山东省电力公司 | Reactive voltage distribution type optimization control system and method |
| CN105226664A (en) * | 2015-10-14 | 2016-01-06 | 中国电力科学研究院 | A kind of active distribution network reactive voltage layer distributed control method for coordinating |
| CN106803677A (en) * | 2017-04-11 | 2017-06-06 | 四川大学 | A kind of active distribution network voltage management-control method and system based on distributed power source |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233497A (en) * | 2019-06-14 | 2019-09-13 | 国网安徽省电力有限公司电力科学研究院 | A kind of poverty alleviation photovoltaic local distribution network autonomy-coordination optimization regulation method and system |
| 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 |
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