CN103151796B - Area coordination control model system and method based on active distribution network - Google Patents
Area coordination control model system and method based on active distribution network Download PDFInfo
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- CN103151796B CN103151796B CN201310047762.2A CN201310047762A CN103151796B CN 103151796 B CN103151796 B CN 103151796B CN 201310047762 A CN201310047762 A CN 201310047762A CN 103151796 B CN103151796 B CN 103151796B
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Abstract
The invention discloses a kind of area coordination control model system based on active distribution network, this power distribution network includes that is coordinated a control area, this control system includes: source net tuning controller, control the power output of distributed energy, monitoring the running status of distributed energy and upload status information to area coordination control model device, described each distributed energy is respectively arranged with a source net tuning controller；Area coordination control model device, it is connected with each described source net tuning controller in this coordination control area, receives the state of the distributed energy that each described source net tuning controller is uploaded and issue control instruction according to those states to the described controlled distribution formula energy distributed energy of its correspondence is carried out power dispatching.In present invention achieves autonomous area, the efficient of regenerative resource utilizes, area coordination control model device and source net tuning controller cooperate, it is achieved that region optimal control target.
Description
Technical field
The present invention relates to intelligent distribution network field for the coordination under the extensive active distribution network accessing distributed energy
Control area coordinates to control, and the present invention proposes the coordination control area control method for coordinating of a kind of active distribution network.
Background technology
Active distribution network, with its introducing of active control mechanism in power distribution network, is that following intelligent distribution network realizes in a large number
The distributed energy accessed carries out the effective solution of active management.But distributed energy is concentrated and is participated in distribution scheduling operation
Demand control to bring greatly challenge to the coordination of active distribution network.
At present, distribution accesses the most effectively in the coordination control skill of distribution aspect for the extensive of distributed energy
Art, the control on the spot of the single TRT showing as low capacity that focuses mostly on, secondly the most reliable microgrid controls technology, from system
Property angle set out, by distributed power generation, load, energy storage device and control device etc. and combine, formed one single controlled
Unit, provides a user with electric energy and heat energy simultaneously.But microgrid controls also there is its limitation, first show its overall single can
Control property, whole microgrid controls to coordinate control area and necessarily be in the scope of Relatively centralized, and secondly microgrid is more emphasized to control to coordinate
Autonomy within control area, the optimization not carrying out distribution aspect is coordinated.
Summary of the invention
In order to overcome the defect of prior art, the invention provides a kind of area coordination control model system based on active distribution network
System, wherein, this power distribution network includes some distributed energies, and each distributed energy controls output by respective combining inverter,
This power distribution network include one coordinate control area, the distributed energy in this coordination control area include the controlled distribution formula energy and
Clearance-type distributed energy, described area coordination control model system based on active distribution network includes source net tuning controller and district
Territory tuning controller, wherein:
Source net tuning controller, control distributed energy power output, monitoring distributed energy running status and to
Status information uploaded by area coordination control model device, and described each distributed energy is respectively arranged with a source net tuning controller；
Area coordination control model device, is connected with each described source net tuning controller in this coordination control area, receives each institute
State the status information of the distributed energy that source net tuning controller is uploaded and according to those status informations to described controlled distribution formula
The energy issues control instruction, and the distributed energy of its correspondence is carried out power dispatching.
It is preferred that described power distribution network includes multiple coordination control area.
It is preferred that the status information of described distributed energy includes its specified active reactive performance number and current merit
Rate is exerted oneself.
It is preferred that what described control instruction was transmitted according to the priority of the controlled distribution formula energy.
It is preferred that what described priority was specified according to the cost of electricity-generating of the controlled distribution formula energy, cost more low priority is more
High.
It is preferred that described clearance-type distributed energy generates electricity with peak power.
During it is preferred that current scheduling power is higher than the rated power of the distributed energy being scheduled, this distributed energy
Source net tuning controller exceeds the quata signal to described area coordination control model device transmit power.
It is preferred that described area coordination control model device is after the power receiving described source net tuning controller exceeds the quata signal,
It is calculated the power shortage currently reaching to coordinate control area target the source net of the distributed energy to next priority
Tuning controller sends control instruction.
Present invention also offers the control method of a kind of area coordination control model system based on active distribution network, this system bag
Including some distributed energies, each distributed energy controls output by respective combining inverter, and this power distribution network includes an association
Adjusting control area, the distributed energy in this coordination control area includes the controlled distribution formula energy and clearance-type distributed energy,
The method comprises the following steps:
S1: the coordination control area for this power distribution network arranges an area coordination control model device, in this coordination control area
Each distributed energy be respectively provided with a source net tuning controller；
S2: coordinate Nei Ge source, control area net tuning controller and obtain the state of its each distributed energy controlled, including
Its specified active reactive performance number and current power output, and it is uploaded to area coordination control model device；
S3: for meeting the target that active power distribution network intermittent energy is absolutely dissolved, intermittent energy distributed power generation
Equipment does not list schedulable distributed energy in, and its source net tuning controller controls it with maximum power output；Schedulable is distributed
Formula power supply carries out priority division by cost of electricity-generating, and cost of electricity-generating more low priority is the highest；
S4: area coordination control model device is according to the state of each distributed energy obtained, according to the power coordinating control area
Desired value obtains coordinating the schedule power desired value of distributed energy in control area, and first to the source that priority orders is the highest
Net tuning controller issues control instruction；
S5: source net tuning controller controls this distributed energy inverter after receiving control instruction and reaches schedule power
Desired value;
S6: if current scheduling power is higher than the rated power of this distributed energy, source net tuning controller is to regional coordination
Controller transmit power exceeds the quata signal；
S7: area coordination control model device exceeds the quata after signal at the power receiving source net tuning controller, is calculated current
Reach to coordinate the power shortage that control area target also needs to, coordinate to control to the distributed energy source net of next priority
Device sends control instruction；
S8: continue step S7, until current scheduling power is less than the rated power of the distributed energy being scheduled.
Compared with prior art, beneficial effects of the present invention is as follows:
1, the control strategy that present invention introduces requires the maximum power output to intermittent energy Distributed-generation equipment, greatly
Improve greatly the service efficiency of intermittent energy；
2, the present invention considers preferential when participating in regional coordination of the controlled distribution formula energy source device of different cost of electricity-generating
Sequentially, control process is made to more conform to cost-effectiveness requirement；
3, the present invention is for the area coordination control model of distributed generation unit so that power distribution network is for distributed energy more
Open, the more conducively popularization and application of distributed energy.
Certainly, the arbitrary product implementing the present invention it is not absolutely required to reach all the above advantage simultaneously.
Accompanying drawing explanation
Fig. 1 is the area coordination control model block schematic illustration under the active distribution network of the present invention；
Fig. 2 is the priority control method schematic diagram of the present invention；
Fig. 3 is the area coordination control model method flow diagram of the present invention.
Detailed description of the invention
Below with the drawings and specific embodiments, the present invention will be further described.
The invention provides a kind of area coordination control model system based on active distribution network, this system includes some distributed
The energy, each distributed energy controls output by respective combining inverter, and this power distribution network includes that is coordinated a control area, should
The distributed energy coordinated in control area includes the controlled distribution formula energy and clearance-type distributed energy, including:
Source net tuning controller, control distributed energy power output, monitoring distributed energy running status and to
Status information uploaded by area coordination control model device, and described each distributed energy is respectively arranged with a source net tuning controller；
Area coordination control model device, is connected with each described source net tuning controller in this coordination control area, receives each institute
State the state of the distributed energy that source net tuning controller is uploaded and issue to the described controlled distribution formula energy according to those states
Control instruction carries out power dispatching to the distributed energy of its correspondence.
Described power distribution network is it can also be provided that multiple coordination control area.The method of work of this control system is as follows:
S1: the coordination control area for this power distribution network arranges an area coordination control model device, in this coordination control area
Each distributed energy be respectively provided with a source net tuning controller；
S2: coordinate Nei Ge source, control area net tuning controller and obtain the state of its each distributed energy controlled, including
Its specified active reactive performance number and current power output, and it is uploaded to area coordination control model device；
S3: for meeting the target that active power distribution network intermittent energy is absolutely dissolved, intermittent energy distributed power generation
Equipment does not list schedulable distributed energy in, and its source net tuning controller controls it with maximum power output；Schedulable is distributed
Formula power supply carries out priority division by cost of electricity-generating, and cost of electricity-generating more low priority is the highest；
S4: area coordination control model device is according to the state of each distributed energy obtained, according to the power coordinating control area
Desired value obtains coordinating the schedule power desired value of distributed energy in control area, and first to the source that priority orders is the highest
Net tuning controller issues control instruction；
S5: source net tuning controller controls this distributed energy inverter after receiving control instruction and reaches schedule power
Desired value;
S6: if current scheduling power is higher than the rated power of this distributed energy, source net tuning controller is to regional coordination
Controller transmit power exceeds the quata signal；
S7: area coordination control model device exceeds the quata after signal at the power receiving source net tuning controller, is calculated current
Reach to coordinate the power shortage that control area target also needs to, coordinate to control to the distributed energy source net of next priority
Device sends control instruction；
S8: continue step S7, until current scheduling power is less than the rated power of the distributed energy being scheduled.
Detailed description of the invention
Referring to Fig. 1, in the embodiment shown in the drawings, on a feeder line under active distribution network, each band is distributed
The branched line of energy generating equipment all can coordinate control area as one, coordinates under control framework in such as graph region, and first
Distributed energy at three, respectively photovoltaic generation 6, gas turbine 8 and energy-storage system 9 is had in area coordination control model region 1,
Wherein intermittent energy source generating equipment only has photovoltaic generation 6 one kinds.In the embodiment shown in fig. 1, the first source it is configured with altogether
Net tuning controller the 3, second source net tuning controller 7 and the 3rd source net tuning controller 5, control photovoltaic generation 6, combustion respectively
Gas-turbine 8 and the work of energy-storage system 9, the area coordination control model device 4 configured then is uniformly controlled three source nets to be coordinated to control
Device, if there is also distributed energy in other stub areas of feeder line, then this region can be as a new coordination control
Region processed, such as the second coordination control area 2 in Fig. 1.
Refer to the area coordination control model method step under Fig. 2, active distribution network as follows:
Nei Ge source, region net tuning controller obtains the state of its each distributed energy controlled, including its specified gaining merit
Reactive power value and current power output, and it is uploaded to area coordination control model device 11；
For meeting the target that active power distribution network intermittent energy is absolutely dissolved, intermittent energy distributed power source 13 is not
Listing schedulable distributed energy in, area coordination control model device 11 sends control instruction and controls it with to source net tuning controller 12
High-power output；
Area coordination control model device 11, according to the zone state information obtained, is calculated district according to area coordination control model target
The schedule power desired value of distributed energy in territory, and first to the source net of the highest the first distributed power source 15 of priority orders
Tuning controller the 1st issues control instruction；
First source net tuning controller 14 controls the inverter of the first distributed power source 15 after receiving control instruction and reaches
To schedule power desired value；
Judging current first distributed power source 15 output, if reaching area coordination control model target, then coordination process is eventually
Only；If current scheduling power is higher than the rated power of this distributed energy, then the first source net tuning controller 14 is assisted to region
Controller 11 transmit power is adjusted to exceed the quata signal；
Area coordination control model device 11 exceeds the quata at the power receiving the first source net tuning controller 14, after signal, to be calculated
Currently reach the power shortage that regional aim also needs to, to the second source net of the second distributed power source 17 of next priority
Tuning controller 16 sends control instruction, is controlled each controlled distribution formula power supply according to priority until being respectively adjusted
The total generated output of controlled distribution formula power supply reaches schedule power desired value.
Area coordination control model flow chart under the offer active distribution network that Fig. 3 is the present invention.
In sum, the area coordination control model technology under the present invention uses active distribution network, it is achieved that can in autonomous area
The efficient utilization of the renewable sources of energy, and the priority of its scheduling actions is determined for the cost of electricity-generating of distributed energy equipment,
Cooperated by area coordination control model device and source net tuning controller, it is achieved that region optimal control target, ensure that whole simultaneously
The economy of individual control process.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.Preferred embodiment is the most detailed
Describe all of details, be also not intended to the detailed description of the invention that this invention is only described.Obviously, according to the content of this specification,
Can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is to preferably explain the present invention
Principle and actual application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and four corner thereof and equivalent.
Claims (4)
1. an area coordination control model system based on active distribution network, wherein, this power distribution network includes some distributed energies, respectively
Distributed energy controls output by respective combining inverter, it is characterised in that this power distribution network includes that is coordinated a control zone
Territory, the distributed energy in this coordination control area includes the controlled distribution formula energy and clearance-type distributed energy, described based on
The area coordination control model system of active distribution network includes source net tuning controller and area coordination control model device, wherein:
Source net tuning controller, controls the power output of distributed energy, monitors the running status of distributed energy and to region
Tuning controller uploads status information, and described each distributed energy is respectively arranged with a source net tuning controller；
Area coordination control model device, is connected with each described source net tuning controller in this coordination control area, receives each described source
The status information of the distributed energy that net tuning controller is uploaded and according to those status informations to the described controlled distribution formula energy
Issue control instruction, the distributed energy of its correspondence is carried out power dispatching；
The status information of described distributed energy includes its specified active reactive performance number and current power output；
Described control instruction is transmitted according to the priority of the controlled distribution formula energy；
Described priority is specified according to the cost of electricity-generating of the controlled distribution formula energy, and cost more low priority is the highest；
Described clearance-type distributed energy generates electricity with peak power；
When current scheduling power is higher than the rated power of the distributed energy being scheduled, the source net of this distributed energy is coordinated to control
Device exceeds the quata signal to described area coordination control model device transmit power；
Described area coordination control model device exceeds the quata after signal at the power receiving described source net tuning controller, is calculated current
Reach to coordinate the power shortage of control area target and the source net tuning controller to the distributed energy of next priority is sent out
Send control instruction.
2. area coordination control model system based on active distribution network as claimed in claim 1, it is characterised in that described power distribution network
Including multiple coordination control areas.
3. a control method for area coordination control model system based on active distribution network, this power distribution network includes some distributed energy
Source, each distributed energy controls output by respective combining inverter, it is characterised in that this power distribution network includes that is coordinated a control
Region processed, the distributed energy in this coordination control area includes the controlled distribution formula energy and clearance-type distributed energy, the party
Method comprises the following steps:
S1: the coordination control area for this power distribution network arranges an area coordination control model device, each in this coordination control area
Distributed energy is respectively provided with a source net tuning controller；
S2: coordinate Nei Ge source, control area net tuning controller and obtain the state of its each distributed energy controlled, including its volume
Fixed active reactive performance number and current power output, and it is uploaded to area coordination control model device；
S3: for meeting the target that active power distribution network intermittent energy is absolutely dissolved, intermittent energy Distributed-generation equipment
Not listing schedulable distributed energy in, its source net tuning controller controls it with maximum power output；By schedulable distributed electrical
Source carries out priority division by cost of electricity-generating, and cost of electricity-generating more low priority is the highest；
S4: area coordination control model device is according to the state of each distributed energy obtained, according to the power target coordinating control area
It is worth to coordinate the schedule power desired value of distributed energy in control area, and first to the source net association that priority orders is the highest
Controller is adjusted to issue control instruction；
S5: source net tuning controller controls this distributed energy inverter after receiving control instruction and reaches schedule power target
Value；
S6: if current scheduling power is higher than the rated power of this distributed energy, source net tuning controller is to area coordination control model
Device transmit power exceeds the quata signal；
S7: area coordination control model device exceeds the quata at the power receiving source net tuning controller, after signal, to be calculated and currently reach
Coordinating the power shortage that control area target also needs to, the distributed energy source net tuning controller to next priority is sent out
Send control instruction；
S8: continue step S7, until current scheduling power is less than the rated power of the distributed energy being scheduled.
4. the control method of area coordination control model system based on active distribution network as claimed in claim 3, it is characterised in that
This power distribution network includes multiple coordination control area.
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| CN103825301B (en) * | 2014-03-14 | 2016-03-16 | 云南电力试验研究院（集团）有限公司电力研究院 | A kind of unified interface modeling method of distributed energy access active distribution system |
| CN104617577B (en) * | 2015-02-10 | 2017-03-01 | 清华大学 | A kind of active distribution network full distributed self-discipline economic load dispatching method |
| CN105141038A (en) * | 2015-09-06 | 2015-12-09 | 苏州健雄职业技术学院 | Intermittent energy consumption monitoring system under active power distribution network |
| CN106451540A (en) * | 2016-10-19 | 2017-02-22 | 国网江苏省电力公司泰州供电公司 | Power distribution network coordination control system and method |
| CN109830992B (en) * | 2019-04-08 | 2020-10-09 | 珠海格力电器股份有限公司 | Self-adaptive adjustment energy scheduling control method, device and system |
| CN111404195B (en) * | 2020-02-24 | 2021-08-27 | 国网浙江嘉善县供电有限公司 | Intelligent gateway-based scheduling method for microgrid with distributed power supply |
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| CN102709909A (en) * | 2012-06-19 | 2012-10-03 | 辽宁省电力有限公司沈阳供电公司 | Active power distribution network reliability evaluation method during wind power generation access |
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| EP2612419B1 (en) * | 2010-09-02 | 2019-03-27 | Siemens Aktiengesellschaft | Extended communication apparatus for control of active power distribution networks |
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| CN102570456A (en) * | 2012-01-17 | 2012-07-11 | 上海交通大学 | Distribution network intermittent energy consumption system and method based on active mechanism |
| CN102709909A (en) * | 2012-06-19 | 2012-10-03 | 辽宁省电力有限公司沈阳供电公司 | Active power distribution network reliability evaluation method during wind power generation access |
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