CN106558884B - Regional Energy Internet control system active power balance optimizes complementary adjusting method - Google Patents

Regional Energy Internet control system active power balance optimizes complementary adjusting method Download PDF

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Publication number
CN106558884B
CN106558884B CN201710042094.2A CN201710042094A CN106558884B CN 106558884 B CN106558884 B CN 106558884B CN 201710042094 A CN201710042094 A CN 201710042094A CN 106558884 B CN106558884 B CN 106558884B
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regional
power
power grid
increase
control system
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CN106558884A (en
Inventor
张萌
马红伟
李蕴
黄仁乐
陈乃仕
李烨
王晓辉
徐绍军
贾东强
孙健
王存平
钱叶牛
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State Grid Corp of China SGCC
Xuji Group Co Ltd
China Electric Power Research Institute Co Ltd CEPRI
State Grid Beijing Electric Power Co Ltd
Xuchang XJ Software Technology Co Ltd
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State Grid Corp of China SGCC
Xuji Group Co Ltd
China Electric Power Research Institute Co Ltd CEPRI
State Grid Beijing Electric Power Co Ltd
Xuchang XJ Software Technology Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/24Arrangements for preventing or reducing oscillations of power in networks

Abstract

The present invention relates to the active power controller field of the intelligent bodies that may participate in power dispatching a variety of in Regional Energy internet, i.e., a kind of Regional Energy Internet control system active power balance optimizes complementary adjusting method.This method comprises: increasing the generated output of the regional power grid when active power is in balance in Regional Energy Internet control system;Increase the electric power of the regional power grid: if having do not put into can cutting load, can cutting load investment;If without do not put into can cutting load, increase the electric power of two-way controllable energy storage website;If the electric power of two-way controllable energy storage website can not increase, increase the electric power of transferable load.The problem of cannot making full use of this method solve resource, the adaptibility to response to unbalance condition is improved, and improves the stability of system.

Description

Regional Energy Internet control system active power balance optimizes complementary adjusting method
Technical field
The present invention relates to a kind of active power controller plans of Regional Energy Internet control system in Regional Energy internet Slightly and the power distribution network automatic control technology field more particularly to Regional Energy Internet control system of meter and user side power generation have Function power-balance optimizes complementary adjusting method.
Background technique
With distribution network load side control technology gradually research go deep into, with electric energy be support, comprehensively utilize it is hot and cold, electric, The Regional Energy Internet control system of a variety of distributed energies such as hot water is a kind of completely new regional distribution network organizational form, it The i.e. hair of the dynamic role and user side power generation that make full use of load side improves the electricity consumption economy of load side i.e. with characteristic.
(balance refers to total active power shortage in regional power grid when in the prior art, for there is balancing the load situation I.e. the active power of regional power grid is in balance within the scope of the difference nargin of setting, and total active power shortage is region The difference of the planned supply and use of electric power of the burden with power total amount and regional power grid of power grid), usually will not further it take measures.In equilibrium state Under, if will cause the utilization of resources without further step and be not enough, issuable unbalance condition is lacked and is coped with, It is not good for system stability.
Summary of the invention
The object of the present invention is to provide a kind of Regional Energy Internet control system active power balances to optimize complementary adjust Method improves the adaptibility to response to unbalance condition for solving the problems, such as that resource cannot make full use of, and lifting system Stability establishes reasonable energy distribution and Energy Saving Strategy, improves the economy of user side power generation, ensures continuing controllably for the energy Supply.
To achieve the above object, a kind of Regional Energy Internet control system active power balance of the invention optimizes complementary Adjusting method includes:
When active power is in balance in Regional Energy Internet control system, steps are as follows:
1) increase the generated output of the regional power grid;
2) increase the electric power of the regional power grid: if having do not put into can cutting load, can cutting load investment;If not yet Have do not put into can cutting load, then increase the electric power of the regional power grid flexibility charge, make the increased electric power with The increased generated output balance.
Optimize the one of complementary adjusting method as above-mentioned zone energy Internet control system active power balance of the present invention Kind is improved, and in the generated output step for increasing the regional power grid described in this method, increases user side generated output, if user side Generated output can not increase, then put into the alternative energy source of the regional power grid or increase the hair of the alternative energy source of the regional power grid Electrical power.
Optimize the another of complementary adjusting method as above-mentioned zone energy Internet control system active power balance of the present invention A kind of improvement reduces the use for increasing the regional power grid flexibility charge in the electric power step of the regional power grid described in this method Electrical power includes: the electric power for increasing two-way controllable energy storage website, if the electric power of two-way controllable energy storage website can not Increase, then increases the electric power of transferable load.
As above-mentioned zone energy Internet control system active power balance of the present invention optimize complementary adjusting method into One step improve, described in this method can cutting load investment when, accordingly modify and update the ordered electric plan of the regional power grid.
Optimize the another of complementary adjusting method as above-mentioned zone energy Internet control system active power balance of the present invention A kind of further improvement puts into the alternative energy source of the regional power grid or increases the substitution energy of the regional power grid described in this method When the generated output in source, corresponding modification updates the ordered electric plan of the regional power grid.
Optimize complementary adjusting method more as above-mentioned zone energy Internet control system active power balance of the present invention It is further improved, when increasing the electric power of transferable load described in this method, accordingly modifies and update the regional power grid Ordered electric plan.
The present invention is in the case that active power is in balance in the Regional Energy Internet control system, i.e. regional power grid In the case that electricity consumption situation meets requirements of plan, using the generated output for increasing the regional power grid, if the power generation of the regional power grid Power can increase, then further consider increase the regional power grid electric power: if having do not put into can cutting load, can Cutting load investment;If without do not put into can cutting load, increase the electric power of the regional power grid flexibility charge.This adjusting Sequence is renewable energy and the various other energy made full use of in the region, preferentially to restore the load electricity consumption in region, Using the response characteristic of the different flexible loads with electrical characteristics, increases the electric power of flexible load, improve flexible load Reasonability and speed of decision are controlled, the adaptibility to response to unbalance condition is improved, establishes reasonable energy distribution and energy saving plan Slightly, regional power grid is made to be in the operating status of strong green.
It is preferential to increase user side generated output in the step of increasing the generated output of the regional power grid, if user side is sent out Electrical power can not increase, then put into the alternative energy source of the regional power grid or increase the power generation of the alternative energy source of the regional power grid Power.This adjusting sequence can maximize the power generation of the user side in regional power grid, provide the economy of electricity consumption, and can fill Divide and utilizes renewable energy and various other energy.
In the step of increasing the electric power of the regional power grid flexibility charge, preferentially increase two-way controllable energy storage website Electric power increases the removable load of the regional power grid if the electric power of two-way controllable energy storage website can not increase Electric power.This adjusting sequence makes full use of the flexible loads such as two-way controllable charging equipment, transferable load, improves region The stability of power grid and strong degree realize the high power quality and high stability of user in regional power grid.
Detailed description of the invention
Fig. 1 is that Regional Energy Internet control system active power balance optimizes complementary adjusting method flow chart.
Specific embodiment
The present invention will be further described in detail with reference to the accompanying drawing.
PcurIndicate the burden with power total amount of current region power grid, PplanIndicate the planned supply and use of electric power of current region power grid, Δ PvacancyIndicate total active power shortage in current region power grid, then
ΔPvacancy=Pcur-Pplan
Electric power difference nargin in regional power grid is indicated by ε.When | Δ Pvacancy| when-ε < 0, the use of regional power grid Electric situation meets requirements of plan, i.e. the active power of regional power grid is in balance, then system is mutual using Regional Energy of the invention Control system of online active power balance optimizes complementary adjusting method.
As shown in Figure 1, system executes the optimization of active power balance when system running on active power balance the case where Complementary adjusting method, this method make full use of renewable energy and various other energy in region, negative in the region Lai Huifu Lotus electricity consumption increases the capacity deposit of energy storage device, arranges transferable load to charge, is a set of perfect recovery system, makes region Power grid is in the operating status of strong green, control the following steps are included:
Step1: the user side power generation in detection zone power grid can increase power Δ Prenew,
ΔPrenew=Prenew.max-Prenew.cur
In formula, Prenew.curIndicate the current power output of user side power generation, Prenew.maxIt indicates to predict resulting user side power generation Current maximum can contribute.
If Δ Prenew≤ 0, then user side power generation has reached maximum, unadjustable, is transferred to step2.If Δ Prenew> 0, then It needs to comprehensively consider self power generation economy, if economic index is still qualified after increasing user side power generation, is transferred to step3.
Step2: whether the alternative energy source in detection zone power grid can undertake more loads, such as earth source heat pump, ice storage Air-conditioning etc., alternative energy conversion is electric energy Δ Psubsitution,
ΔPsubsitution=Psubsitution.max-Psubsitution.cur
In formula, Psubsitution.curThe user power utilization conversion for indicating other current energy resource supplies is the power of electric energy, Psubsitution.maxIndicate the available maximum electric power of various energy resources in regional power grid.
If Δ Psubsitution≤ 0, then it cannot be substituted by electric energy and reduce electric power, be transferred to step6.If Δ Psubsitution> 0 can then substitute the various energy resources in comprehensive utilization region by electric energy, undertake more electric powers, and It arranges alternative energy source to restore in load valley, such as ice storage air-conditioning ice making, and updates ordered electric plan, be transferred to step3.
Step3: whether have in detection zone power grid can cutting load do not put into,
ΔPcut=Pcutmax-Pcutcur
In formula, PcutmaxIndicate regional power grid in it is total can cutting load electric power, PcutcurIndicate just cutting in electricity consumption Load power.ΔPcutThe load power that can as put into.
If Δ Pcut≤ 0, i.e., it is inoperable currently without the load that can be put into regional power grid, it is transferred to step4.If Δ Pcut> 0, i.e. presence can throw load, then step by step input load, update ordered electric plan after investment, are transferred to step6.
Step4: two-way controllable energy storage website (such as electric car electric charging station) in detection zone power grid it is charged State is transferred to step5 if state-of-charge meets stand-by requirement.If state-of-charge is unsatisfactory for stand-by requirement, i.e.,
SOCcur< SOCmin,
In formula, SOCcurIndicate the state-of-charge of energy storage device in current region power grid, SOCminIndicate energy storage remaining capacity Lower limit.
When state-of-charge is unsatisfactory for stand-by requirement, then increase the spare capacity that energy storage is improved in the number of batteries filled, The maximum charge duration t to charge in two-way controllable energy-accumulating power station with current power is calculated laterin, battery is arranged to stop charging Time updates ordered electric plan, is transferred to step6 after adjusting.
Step5: the transferable load power Δ P in detection zone power gridtransWhether can increase,
ΔPtrans=Ptrans.max-Ptrans.cur
In formula, Ptrans.maxIndicate total transferable load electric power in regional power grid, PcutcurIt indicates just in electricity consumption Transferable load electric power.ΔPtransThe load power that can as put into.
If Δ Ptrans≤ 0, i.e., it is inoperable currently without the load that can be put into regional power grid.If Δ Ptrans> 0, i.e., In the presence of the transferable load not put into, then step by step input load, increases transferable load electricity consumption, and update ordered electric plan. Step6 is transferred to after execution.
Step6: delay waits, and after the time span for reaching timer, returns to step1.
Step Step1 and Step2 belong to the generated output for increasing the regional power grid in above-described embodiment, and step Step3 is Increase can cutting load electric power, Step4 and Step5 belong to the electric power for increasing the regional power grid flexible load, this The adjusting sequence of sample is conducive to make full use of renewable energy and various other energy in the region, preferentially restores in region Load electricity consumption, promoted user experience, while using the different flexible loads with electrical characteristics response characteristic, increase flexible load Electric power, increase the capacity deposit of energy storage device, transferable load arranged to charge, raising system answers unbalance condition To ability, a set of perfect recovery system is formed, regional power grid is made to be in the operating status of strong green.
During increasing the generated output in the region, step Step1 is the generated output for increasing user side, Step2 It is the generated output for putting into the alternative energy source of the regional power grid or increasing the alternative energy source of the regional power grid, pays the utmost attention to increase The generated output of user side, if the generated output that not can increase user side consider further that put into the regional power grid alternative energy source or Increase the generated output of the alternative energy source of the regional power grid, such sequence can reduce the change of electricity consumption plan as far as possible, maximum Change regional power grid in user side power generation, the economy of electricity consumption is provided, and can make full use of renewable energy and it is a variety of its His energy.
During increasing the electric power of flexible load of the regional power grid, step Step4 is that increase is two-way controllable Energy storage website electric power, Step5 is the electric power for increasing transferable load, considers to increase two-way controllable storage first Can website electric power, followed by consider the electric power for increasing transferable load, such sequence reasonable consideration clock synchronization Between influence the electricity consumption situation of insensitive transferable load, comprehensively consider arrangement of the two-way controllable energy storage website to electricity consumption plan And the transferable load (such as the loads such as washing machine) that user experience is closely related can timely be arranged to respond, and be increased The capacity deposit of energy storage device arranges transferable load to charge, while reducing the impact for changing process for system as much as possible, solution The stability problem of system in adjustment process of having determined.Therefore, this adjusting sequence can make full use of two-way controllable charging and set The flexible loads such as standby, transferable load make regional power grid be in the operating status of strong green, improve the stabilization of the regional power grid Property and strong degree, realize regional power grid in user high power quality and high stability.
Specific embodiment of the present invention is presented above, but the present invention is not limited to described embodiment. Under the thinking that the present invention provides, to the skill in above-described embodiment by the way of being readily apparent that those skilled in the art Art means are converted, are replaced, are modified, and play the role of with the present invention in relevant art means it is essentially identical, realize Goal of the invention it is also essentially identical, the technical solution formed in this way is to be finely adjusted to be formed to above-described embodiment, this technology Scheme is still fallen in protection scope of the present invention.

Claims (6)

1. a kind of Regional Energy Internet control system active power balance optimizes complementary adjusting method, which is characterized in that in area When active power is in balance in the energy Internet control system of domain, steps are as follows:
1) increase the generated output of the regional power grid;
2) increase the electric power of the regional power grid: if having do not put into can cutting load, can cutting load investment;If without not Investment can cutting load, then increase the electric power of the regional power grid flexibility charge, make the increased electric power with it is described Increased generated output balance.
2. Regional Energy Internet control system active power balance according to claim 1 optimizes complementary adjusting method, It is characterized in that, increasing user side generated output in the step 1) and being put into if user side generated output can not increase The alternative energy source of the regional power grid or increase the regional power grid alternative energy source generated output.
3. Regional Energy Internet control system active power balance according to claim 1 or 2 optimizes complementary adjusting side Method, which is characterized in that the electric power for increasing the regional power grid flexibility charge in the step 2) includes: to increase two-way controllable storage The electric power of energy website increases the use of transferable load if the electric power of two-way controllable energy storage website can not increase Electrical power.
4. Regional Energy Internet control system active power balance according to claim 1 optimizes complementary adjusting method, It is characterized in that, it is described can cutting load investment when, accordingly modify and update the ordered electric plan of the regional power grid.
5. Regional Energy Internet control system active power balance according to claim 2 optimizes complementary adjusting method, It is characterized in that, the generated output of the alternative energy source for putting into the regional power grid or the alternative energy source for increasing the regional power grid When, corresponding modification updates the ordered electric plan of the regional power grid.
6. Regional Energy Internet control system active power balance according to claim 3 optimizes complementary adjusting method, It is characterized in that, accordingly modifying and updating the ordered electric of the regional power grid when electric power for increasing transferable load Plan.
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104682533A (en) * 2013-11-29 2015-06-03 华北电力大学(保定) Double-bus direct current ultra-micro grid system suitable for sustainable building
CN104807204A (en) * 2014-12-31 2015-07-29 深圳市爱能森科技有限公司 Wind power, photovoltaic, photo-thermal and medium heat storage combined energy supply system
CN106026191A (en) * 2016-05-20 2016-10-12 甘肃省电力公司风电技术中心 Power generation right replacement electric quantity evaluation method applicable to photovoltaic power station and capable of realizing minimization of solar energy power generation abandonment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104682533A (en) * 2013-11-29 2015-06-03 华北电力大学(保定) Double-bus direct current ultra-micro grid system suitable for sustainable building
CN104807204A (en) * 2014-12-31 2015-07-29 深圳市爱能森科技有限公司 Wind power, photovoltaic, photo-thermal and medium heat storage combined energy supply system
CN106026191A (en) * 2016-05-20 2016-10-12 甘肃省电力公司风电技术中心 Power generation right replacement electric quantity evaluation method applicable to photovoltaic power station and capable of realizing minimization of solar energy power generation abandonment

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
包含大容量储热的电-热联合系统;徐飞等;《中国电机工程学报》;20141015;第34卷(第29期);第5063-5072页
平衡风功率波动的需求响应调度框架与策略设计;姚建国等;《电力系统自动化》;20140510;第38卷(第9期);第85-91页

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