CN102339054A - Linkage control method of distribution transformer load management and electromobile charging process - Google Patents
Linkage control method of distribution transformer load management and electromobile charging process Download PDFInfo
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- CN102339054A CN102339054A CN2011102771768A CN201110277176A CN102339054A CN 102339054 A CN102339054 A CN 102339054A CN 2011102771768 A CN2011102771768 A CN 2011102771768A CN 201110277176 A CN201110277176 A CN 201110277176A CN 102339054 A CN102339054 A CN 102339054A
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Abstract
The invention discloses a linkage control method of a distribution transformer load management and electromobile charging process. The method comprises the following steps of: (a) establishing a correlation model among a distribution transformer, an electromobile and a domestic consumer to provide a model base for linkage control of the distribution transformer load management and electromobile charging process; (b) constructing an electricity utilization data monitoring platform of the electromobile and the domestic consumer to provide base data for realizing optimal charging and electricity utilization policy; and (c) optimizing the charging of the electromobile based on the distribution transformer load to prevent distribution transformer overload. In the invention, an optimal charging and electricity utilization policy is self-adaptively selected according to the condition of the distribution transformer load through acquiring the charging information of an alternating current charging pile of the traditional electromobile and the electricity utilization information of an appliance on the basis of not increasing investment. By adopting the method, the incidence relation among the distribution transformer, the electromobile and the domestic consumer can be mastered in real time, and load coordination or optimal operation of an intelligent appliance, the electromobile and the like can be realized. The method provided by the invention is suitable for charging control of domestic electromobiles.
Description
Technical field
The present invention relates to the inter-linked controlling method of a kind of distribution transformer load management and charging electric vehicle process, belong to electric automobile and discharge and recharge technical field.
Background technology
The unordered charging behavior meeting of a large amount of electric automobiles brings significant negative effect to system, even possibly influence the safety and the reliability service of electric system.After if millions of electric automobile car owners comes home from work immediately (simultaneously similar) begin to charge and be certain to influence the safe operation of local or electric system in larger scope.For power transmission network and specific distribution line, though whole zone has enough generating capacitys, the distribution line nargin of transmission line of electricity in this zone or different regions maybe be big inadequately, can't carry a large amount of electric automobile loads.Most dwelling house feeder line capacity nargin is limited, if the load level of electric automobile is higher and from beginning at dusk to continue charging 2-6 hour, just possibly cause existing dwelling house feeder line load out-of-limit.In addition, if the transmission of electricity nargin of transmission line of electricity of supplying with local transformer station not along with the corresponding growth of electric automobile load level, the transmission line of electricity of then supplying with local transformer station the out-of-limit situation of loading possibly occur too.As far as distribution system, the otherness of different domestic consumer's consumption habits will reduce electric automobile and insert the negative effect to system.Though as far as single family, with the load simple superposition of all electrical equipment, its peak load maybe be above 10 kilowatts; But under most situation, the situation that all electrical equipment moves simultaneously can not occur, therefore see that from the angle of whole distribution system the difference of a large number of users consumption habit can reduce the peak load level.Yet; If a large amount of electric automobiles that insert under the normal situation about using of other electrical equipment; Because the charging electric vehicle duration is longer, and possibly exist the electric automobile of most of family to be in the situation of charged state at one time, the peak load of whole distribution system still possibly exceed the anticipation level.Like this; If inappropriate control charging load; Then possibly cause the obvious rising of some load periods, night load peak time this can produce adverse influence more, like the needs network capacity that increases electric power; And increase generating capacity newly for satisfying the peak load demand, cause system's cost of investment and operating cost to increase; In addition, also can cause the problem of aspects such as Control of Voltage, the quality of power supply (harmonic wave and subharmonic), the equilibrium of supply and demand, relay protection.For this reason, be necessary that management is studied with charging electric vehicle process inter-linked controlling method to distribution transformer load.
Summary of the invention
The inter-linked controlling method that the purpose of this invention is to provide a kind of distribution transformer load management and charging electric vehicle process; On the basis that does not increase investment; The charge information through obtaining the traditional electric automobile alternating-current charging pile and the power information of household electrical appliances, according to the distribution transformer load situation, the charging of adaptively selected optimum and electricity consumption strategy; On the basis that guarantees the distribution transforming reliability service, realize electric automobile and user's ordered electric and dsm.
The present invention is achieved through following technical scheme, and the step of this technical scheme is:
1, sets up distribution transforming and electric automobile and domestic consumer's correlation model, for the storehouse that supplies a model is controlled in distribution transformer load management and the interlock of charging electric vehicle process; Grasp distribution transforming and electric automobile and domestic consumer's incidence relation in real time.
Data through design drawing and site test acquisition; Obtain distribution transforming and electric automobile and domestic consumer's incidence relation; Set up distribution transforming and electric automobile and domestic consumer's correlation model in view of the above, for the storehouse that supplies a model is controlled in distribution transformer load management and the interlock of charging electric vehicle process.
2, make up electric automobile and domestic consumer's electricity consumption data monitoring platform, basic data is provided for realizing optimum charging and electricity consumption strategy;
Power information to charging electric vehicle information and Smart Home is gathered, and realizes uploading of electric automobile and domestic consumer's electricity consumption monitoring data at the substation transformer measure and control device, for realizing optimum charging and electricity consumption strategy basic data is provided.
3,, prevent the distribution transforming overload based on the charging electric vehicle optimization of distribution transformer load.
Consider that distribution transformer load constraint, user use constraint conditions such as ability demand basically, set up the mathematical relation of each variable in the charging electric vehicle optimizing process; The acceptable load level of dynamic tracking distribution transforming in whole charging process, promptly charging set is confirmed charge parameter according to the load condition of distribution transforming, and charging current is remained near the acceptable load current curve of distribution transforming, thereby prevents the distribution transforming overload.
4, based on the control method for coordinating of dsm
Charge information and the power information of household electrical appliances of substation transformer measure and control device through obtaining the traditional electric automobile alternating-current charging pile; According to the distribution transformer load situation; The charging of adaptively selected optimum and electricity consumption strategy; On the basis that guarantees the distribution transforming reliability service, realize electric automobile and user's ordered electric and dsm.
Because some electricity consumption of family has the period of its specific use and the necessity of use; Suitable transfer peak load is used non-essential equipment, takes into account the necessity of electricity consumption and user's convenience and comfort level, realizes under the minimum situation of normal daily life system that not influence load and electricity bill control are main design object; Smart-interactive terminal is integrated all intelligent appliance controllers; According to load and the electricity charge target set, integrate control with optimum mode, make and on the one hand electricity charge desired value error is minimized; On the other hand load is minimized, realize coordination of Smart Home overall load or optimized running.
The present invention is not increasing hardware investment, makes full use of existing substation transformer measure and control device and smart-interactive terminal, utilizes software to realize functions such as distribution transformer load management and charging electric vehicle process interlock control.
The present invention's beneficial effect compared with prior art is that 1. the present invention can grasp distribution transforming and electric automobile and domestic consumer's incidence relation in real time through setting up distribution transforming and electric automobile and domestic consumer's correlation model; 2. the present invention can realize intelligent appliance and coordination of electric automobile even load or optimized running; 3. the present invention can understand distribution transformer load information in real time, solves the distribution transforming overload effectively; 4. the present invention takes into account the necessity of power supply reliability and electricity consumption and user's convenience and comfort level.
The inventive method is applicable to the charging control of the riding electric automobile of family.
Description of drawings
Fig. 1 is an electric automobile management of charging and discharging schematic flow sheet of the present invention;
Fig. 2 is a substation transformer measure and control device illustrative view of functional configuration of the present invention;
Fig. 3 is the formation synoptic diagram of coordination optimization control platform of the present invention;
Fig. 4 is a concrete implementation synoptic diagram of the present invention;
Picture in picture number expression: the 1st, smart-interactive terminal; The 2nd, box type transformer; The 3rd, the substation transformer measure and control device; The 4th, communication network; The 5th, communication unit; The 6th, electric automobile charging pile; 7-1 is a Smart Home 1; 7-N is Smart Home N; 8-1 is garage 1; 8-N is garage N; 9-1 is a domestic electric appliances controller 1; 9-2 is a domestic electric appliances controller 2; 9-3 is a domestic electric appliances controller 3.
Embodiment
Fig. 1 is an electric automobile management of charging and discharging schematic flow sheet of the present invention.As shown in Figure 1, at first, demand is set up distribution transforming and electric automobile and domestic consumer's correlation model, for the storehouse that supplies a model is controlled in distribution transformer load management and the interlock of charging electric vehicle process.Then; The substation transformer measure and control device is on the basis of the power information of charge information that obtains electric automobile and Smart Home; Whether the distribution transforming load is surpassed predetermined value carry out anticipation; If the distribution transforming load surpasses predetermined value, confirm to unload the Smart Home number of processing, and will unload the smart-interactive terminal that order is issued to corresponding Smart Home.Through after the certain time-delay; The substation transformer measure and control device is gathered the power information of Smart Home once more and whether the distribution transforming load is surpassed predetermined value and carries out anticipation; If the distribution transforming load still surpasses predetermined value; Confirm the electric automobile number that stops to charge, and will stop charge command and be issued to corresponding electric automobile charging pile.So circulation till the distribution transforming load does not surpass predetermined value, can begin to carry out charging electric vehicle.
Fig. 2 is the illustrative view of functional configuration of substation transformer measure and control device.As shown in Figure 2, the coordinated control function of substation transformer measure and control device is mainly by constituting based on the wide-area communication module of GPRS, charging and power information acquisition module and the auxiliary Unloading Control module of household electrical appliances etc. of area communication module, central processing module, charging electric vehicle start and stop control module, electric automobile and Smart Home based on Zigbee.Wherein,,, maybe will send out the signal system that send and make communication message and transmit via the GPRS cordless communication network based on the wide-area communication module of GPRS the message of the letter all decoding that receives.Be responsible for the network service of sub-district inner region based on the area communication module of Zigbee, adopt Zigbee short-distance wireless communication pattern with communicating by letter between each controlled smart-interactive terminal, the charging pile.Central processing module coordinates to integrate the function of above each module; And during unloading, must constantly monitor distribution transformer load on the one hand; Must calculate each controlled intelligent appliance power consumption, the charge volume of electric automobile on the other hand, and this capacity is sent to the Unloading Control module carries out Unloading Control.Charging electric vehicle start and stop control module is responsible for sending the charging start stop signal to electric automobile charging pile.The charging electric vehicle information of the intelligent appliance power consumption that the smart-interactive terminal that the responsible collection in real time of the charging of electric automobile and Smart Home and power information acquisition module is installed on each Smart Home is uploaded, the electric automobile charging pile that is installed on each garage.The auxiliary Unloading Control module of household electrical appliances is sent unloading orders to smart-interactive terminal, makes its unloading by the controlled intelligent appliance of smart-interactive terminal control.
Fig. 3 is coordination optimization control platform pie graph.Shown in Figure 3, the control platform mainly is made up of substation transformer measure and control device, smart-interactive terminal 1, electric automobile charging pile, Controller for water dispenser, air-conditioner controller, water heater controller etc.Substation transformer measure and control device and smart-interactive terminal 1 and electric automobile charging pile can be realized the diversification controlled target through message exchange.Can find out that coordination optimization control platform structure adopts the thought of hierarchical control; Bottom is integrated all intelligent appliance controllers by smart-interactive terminal; According to load and the electricity charge target set, integrate control with optimum mode, make and on the one hand electricity charge desired value error is minimized; On the other hand load is minimized, realize coordination of Smart Home overall load or optimized running; The upper strata is then based on existing substation transformer measure and control device; The load of monitoring distribution transforming in real time and the relevant information of operation of power networks; Electricity consumption of combined with intelligent household electrical appliances and charging electric vehicle information on the basis that guarantees the distribution transforming reliability service, realize electric automobile and user's ordered electric and dsm.In addition, also must be constantly the operation conditions of this distribution transforming be sent to Surveillance center through Wide Area Network.
Fig. 4 is a concrete implementation synoptic diagram of the present invention.As shown in Figure 4; The smart-interactive terminal 1 of configuration is through intelligent appliance controller 9-1,9-2,9-3; Household electricity equipment is carried out unified monitoring and management, data such as the quality of power supply, household electricity information are gathered and analyzed, guides user is carried out rational utilization of electricity; Regulate the electrical network peak load, realize intelligent interaction between electrical network and the user.The configuration smart-interactive terminal 1, electric automobile charging pile gather respectively be positioned at Smart Home 7-1 ..., 7-N and garage 8-1 ..., the various household electrical appliances among the 8-N, the electricity consumption data of electric automobile, through communication network real time data is uploaded to substation transformer measure and control device 3.Substation transformer measure and control device 3 receives the data of uploading of each smart-interactive terminal 1 that connected and electric automobile charging pile 6 on the one hand; On the other hand; Utilize collected data; Carry out logic determines according to predefined control strategy, after the controlled criterion execution command, return steering order and give corresponding smart-interactive terminal and electric automobile charging pile.Various household electrical appliances, the actual load value in the controlled back of electric automobile are back to the substation transformer measure and control device again, and with checking unloading effect, and then adjustment should unload capacity.
Claims (3)
1. the inter-linked controlling method of distribution transformer load management and charging electric vehicle process is characterized in that, said method comprising the steps of:
(a) set up distribution transforming and electric automobile and domestic consumer's correlation model, be distribution transformer load management and the charging electric vehicle process interlock control storehouse that supplies a model; Grasp distribution transforming and electric automobile and domestic consumer's incidence relation in real time;
(b) make up electric automobile and domestic consumer's electricity consumption data monitoring platform, basic data is provided for realizing optimum charging and electricity consumption strategy;
(c), prevent the distribution transforming overload based on the charging electric vehicle optimization of distribution transformer load.
2. the inter-linked controlling method of a kind of distribution transformer load management according to claim 1 and charging electric vehicle process; It is characterized in that; Said method does not increase hardware investment; Make full use of existing substation transformer measure and control device and smart-interactive terminal, utilize software to realize functions such as distribution transformer load management and charging electric vehicle process interlock control.
3. according to claim 1 and the inter-linked controlling method of 2 described a kind of distribution transformer load management with the charging electric vehicle process; It is characterized in that; Charge information and the power information of household electrical appliances of said substation transformer measure and control device through obtaining the traditional electric automobile alternating-current charging pile, according to the distribution transformer load situation, the charging of adaptively selected optimum and electricity consumption strategy; On the basis that guarantees the distribution transforming reliability service, realize electric automobile and user's ordered electric and dsm.
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| CN2011102771768A CN102339054A (en) | 2011-09-19 | 2011-09-19 | Linkage control method of distribution transformer load management and electromobile charging process |
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| CN2011102771768A CN102339054A (en) | 2011-09-19 | 2011-09-19 | Linkage control method of distribution transformer load management and electromobile charging process |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102708427A (en) * | 2012-06-29 | 2012-10-03 | 山东电力集团公司电力科学研究院 | System and method for analyzing and determining influence of large-scale charging pile to community distribution system |
| CN105162204A (en) * | 2015-09-30 | 2015-12-16 | 青岛派克能源有限公司 | New energy vehicle local equalization charging system |
| CN106208388A (en) * | 2016-08-31 | 2016-12-07 | 科大智能电气技术有限公司 | A kind of intelligence charging system and short term basis load prediction implementation method thereof in order |
| CN106208044A (en) * | 2016-08-05 | 2016-12-07 | 海南电力技术研究院 | Charging pile and distribution transformer coordinated operation method and apparatus |
| CN112018885A (en) * | 2020-07-22 | 2020-12-01 | 温州电力设计有限公司 | Old community electric automobile charging facility monitoring system and method |
| CN112350313A (en) * | 2020-10-29 | 2021-02-09 | 国网山东省电力公司临沂供电公司 | Low-voltage distribution automatic monitoring and processing system |
-
2011
- 2011-09-19 CN CN2011102771768A patent/CN102339054A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102708427A (en) * | 2012-06-29 | 2012-10-03 | 山东电力集团公司电力科学研究院 | System and method for analyzing and determining influence of large-scale charging pile to community distribution system |
| CN102708427B (en) * | 2012-06-29 | 2015-04-22 | 山东电力集团公司电力科学研究院 | System and method for analyzing and determining influence of large-scale charging pile to community distribution system |
| CN105162204A (en) * | 2015-09-30 | 2015-12-16 | 青岛派克能源有限公司 | New energy vehicle local equalization charging system |
| CN106208044A (en) * | 2016-08-05 | 2016-12-07 | 海南电力技术研究院 | Charging pile and distribution transformer coordinated operation method and apparatus |
| CN106208044B (en) * | 2016-08-05 | 2018-12-04 | 海南电网有限责任公司电力科学研究院 | Charging pile and distribution transformer coordinated operation method and apparatus |
| CN106208388A (en) * | 2016-08-31 | 2016-12-07 | 科大智能电气技术有限公司 | A kind of intelligence charging system and short term basis load prediction implementation method thereof in order |
| CN112018885A (en) * | 2020-07-22 | 2020-12-01 | 温州电力设计有限公司 | Old community electric automobile charging facility monitoring system and method |
| CN112350313A (en) * | 2020-10-29 | 2021-02-09 | 国网山东省电力公司临沂供电公司 | Low-voltage distribution automatic monitoring and processing system |
| CN112350313B (en) * | 2020-10-29 | 2023-03-07 | 国网山东省电力公司临沂供电公司 | Low-voltage distribution automatic monitoring and processing system |
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Owner name: STATE GRID CORPORATION OF CHINA Effective date: 20121206 |
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Effective date of registration: 20121206 Address after: 330009 No. 88 min Qiang Road, private science and Technology Park, Jiangxi, Nanchang Applicant after: Jiangxi Electric Power Science Academy Applicant after: State Grid Corporation of China Address before: 330009 No. 88 min Qiang Road, private science and Technology Park, Jiangxi, Nanchang Applicant before: Jiangxi Electric Power Science Academy |
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Application publication date: 20120201 |