CN109344919A - A kind of construction method for the interruptible load characteristic monitoring model adapting to net load interaction - Google Patents
A kind of construction method for the interruptible load characteristic monitoring model adapting to net load interaction Download PDFInfo
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Abstract
A kind of construction method for the interruptible load characteristic monitoring model adapting to net load interaction.It is related to the monitoring field of interruptible load, and in particular to a kind of construction method for the interruptible load characteristic monitoring model for adapting to net load interaction.Provide a kind of construction method of interruptible load characteristic monitoring model efficiently utilized that can be realized source net lotus close friend interaction and resource.The beneficial effects of the present invention are: passing through interruptible load characteristic in analysis different industries, study the load loss characteristic under interruptible load interactive model, obtain the basis of interruptible load control priority level appraisal procedure, establish the monitoring model for interrupting control load for being suitable for power grid, the preferably demand of service source net load interaction System Development.
Description
Technical field
The present invention relates to the monitoring fields of interruptible load, and in particular to a kind of interruptible load for adapting to net load interaction is special
The construction method of property monitoring model.
Background technique
Currently, clean energy resource industry development in China's is rapid, and wind-powered electricity generation, Photovoltaic generation installed capacity have leapt to the first in the world.So
And with tradition compared with coal-fired, fuel gas generation, clean energy resource regulating power is poor, and power output has apparent randomness, intermittence, gives
Operation of power networks increases difficulty.
With the extensive access power grid of clean energy resource power generation and the construction in transregional UHV transmission channel, power train
The rigidity characteristics for source side power output of uniting are more and more prominent, and traditional normal power supplies unidirectionally adapt to the power grid operation mode of load variations,
New clean energy resource consumption and safety and economic benefit requirement are not adapted to.How the height of source net lotus close friend interaction and resource is realized
Effect utilizes, and promotes source net lotus soft readjustment ability, adapts to clean energy resource large-scale development trend comprehensively, realizes supply side and demand
Side is precisely agreed with and Dynamic Matching, is ensured that clean energy resource fully dissolves conscientiously, is power industry significant problem urgently to be solved.
An important measures of the interruptible load as load management in a kind of demand side management, for alleviating load peak
The situation of period power shortage is mainly used in peak load shifting, active service and congestion management etc., also starts to be used for now
The emergent control of system.
Since extra-high voltage outskirt incoming call and randomness generation of electricity by new energy quickly increase, the secure operating environment of power grid is bad
Change, need regulating measure more with capability of fast response, interruptible load can provide one kind for system and effectively adjust
Resource.Jiangsu Power Grid has been achieved with the accurate real-time load control of 3,500,000 thousand watt-second grades and 1,000,000 kilowatts of Millisecond Load Emergencies
Control ability.
Interruptible load specificity analysis and performance evaluation have certain research achievement, but more consideration peak load shiftings are target
Tradition application, adapt to source net load interaction interruptible load modeling and measures of effectiveness research yet there are no development.
Summary of the invention
The present invention a kind of can be realized efficiently utilizing for source net lotus close friend interaction and resource in view of the above problems, providing
The construction method of interruptible load characteristic monitoring model.
The technical scheme is that including the following steps:
1) several representational users, are chosen to the every a kind of industry user divided in network-wide basis and carry out investigation determination
The capacity ratio of its electrical equipment constitution state and each electric appliances；
2) the industry overall characteristic of each industry user, is determined；
3) it, investigates and determines that the industry composition of substation or bus and capacity ratio obtain required integrated load model.
Several industry typical users are divided into C fuzzy classes in the step 1) and the cluster centre of every class is asked to make class
Interior weighted error sum of squares function reaches minimum, is adapted with fuzzy division is introduced, Subject Matrix U allows value in 0-1 range
Interior, obtaining objective function to all input parameter derivations is the smallest necessary condition, thus can determine best fuzzy classification square
Battle array U and cluster centre C, the classification of typical industry user can be carried out by U.
Industry overall characteristic is true by experiment or typical characteristics according to the average characteristics of every class electrical equipment in the step 2
It is fixed.
From the loss of outage of interruptible load in the step 2, analyzing influence interruptible load loss property because
Element, in conjunction with user type, control frequency, control is practiced, disadvantage ratio makees loss property analysis.
The beneficial effects of the present invention are: by interruptible load characteristic in analysis different industries, research interruptible load is mutual
Load loss characteristic under dynamic model formula obtains the basis of interruptible load control priority level appraisal procedure, establishes and be suitable for electricity
The monitoring model for interrupting control load of net, the preferably demand of service source net load interaction System Development.
Detailed description of the invention
Fig. 1 is present invention building model structure schematic diagram,
Fig. 2 is Spring MVC Technical Architecture figure.
Specific embodiment
The present invention is illustrated with reference to the accompanying drawing.
A kind of construction method of the monitoring model of the interruptible load characteristic of adaptation net load interaction of the invention, including it is as follows
Step:
1) several representational users, are chosen to the every a kind of industry user divided in network-wide basis and carry out investigation determination
The capacity ratio of its electrical equipment constitution state and each electric appliances；Several industry typical users are divided into C fuzzy classes and are asked
The cluster centre of every class makes weighted error sum of squares function in class reach minimum, is adapted with fuzzy division is introduced, is subordinate to square
Battle array U allows value within the scope of 0-1, and obtaining objective function to all input parameter derivations is the smallest necessary condition, is thus
It can determine best fuzzy classified matrix U and cluster centre C, the classification of typical industry user can be carried out by U.
2), determine that the industry of each industry user is comprehensive by experiment or typical characteristics according to the average characteristics of every class electrical equipment
Close characteristic；From the loss of outage of interruptible load, the factor of analyzing influence interruptible load loss property, in conjunction with user class
Type, control frequency, control is practiced, disadvantage ratio makees loss property analysis, research different voltages grade, difference Control Cooling, no
With load loss and load restoration characteristic of the control target interruptible load under different control targets；Study different industries electric power
User's typical load characteristic studies power consumer under different electricity prices and incentive measure and participates in the feasibility of interruptible load and adjustable
Spend potentiality；Dynamic characteristics and the adjustment costs such as study of various interruptible load response time, pondage construct all kinds of interrupt
Load participates in the loopful section technical/economical models of system control；Part specially become industrial user electrical equipment have impact load or
Fluctuating load, such as electric boiler, converter, rolling mill, influence of fluctuations and optimisation strategy when studying its interaction to power grid, to can
Interruptible load control precision optimizes strategy study.The uncertainty of research interruptible load to the influence for controlling target and is commented
Estimate method, research different type interruptible load control precision evaluation index and appraisal procedure.
3) it, investigates and determines that the industry composition of substation or bus and capacity ratio obtain required integrated load model.
Constructed model as shown in Figure 1, include that front end large-size screen monitors data display module and Back end data acquire conversion module,
Client is accessed by browser, and large-size screen monitors are shown, periodic refreshing interface, is not necessarily to more new system, convenience and high-efficiency.Application server is adopted
It is disposed with clustering, breaks through single machine performance bottleneck.When user volume surge and the widened occasion of business, passes through and increase server section
Point can be coped with easily, reached high performance effect and enhanced the ability extending transversely of system, can effectively solve large user
The problems such as server excess load caused by high concurrent caused by measuring.Using Nginx as load-balanced server and reverse proxy
Server, on the one hand carrying out caching and compression processing on the other hand for the static resource of front end can take according to backend application
The loading condition of business device, dynamically shares in system request to multiple server units and is executed, increase the handling capacity of system,
Strengthens network data-handling capacity, the flexibility and availability for improving network.Server is greatly improved by load balancing to ring
Efficiency is answered, user experience is promoted.
Using Spring MVC frame, the design and exploitation of model, Spring MVC technology frame are carried out according to layered structure
Composition as shown in Fig. 2, be divided into Web layers, service layer, DAO layers, entity library layer from bottom to top；Web layers are located at system architecture
Outermost layer (top layer), closest to user.For showing data and receiving the data of user's input, a kind of friendship is provided for user
The interface of mutual formula operation.Service layer includes component and service, service logic, data access, rule are defined by component realization,
The encapsulation of system administration etc. provides atomic service or composite services by servicing for internal system module and external system.Dao layers
It is responsible for one group of class and component of storage (or acquisition) data into (either from) one or more data storage.This
Layer must include the model (even if an only metadata schema) of a business scope entity, be answered by data package for upper layer
The service such as specification, the storage of efficient data, data encapsulation, data mapping, data buffer storage is provided with system.Physical layer be responsible for
One group of class and component of storage (or acquisition) data in (either from) one or more data storage.This layer must wrap
Include the model of a business scope entity (even if an only metadata schema).It is that upper layer application system mentions by data package
It is serviced for specification, the storage of efficient data, data encapsulation, data mapping, data buffer storage etc..
Claims (4)
1. a kind of construction method for the interruptible load characteristic monitoring model for adapting to net load interaction, which is characterized in that including as follows
Step:
1) several representational users, are chosen to the every a kind of industry user divided in network-wide basis and carry out investigation determination
The capacity ratio of its electrical equipment constitution state and each electric appliances；
2) the industry overall characteristic of each industry user, is determined；
3) it, investigates and determines that the industry composition of substation or bus and capacity ratio obtain required integrated load model.
2. a kind of construction method of interruptible load characteristic monitoring model for adapting to net load interaction according to claim 1,
It is characterized in that, several industry typical users are divided into C fuzzy classes in the step 1) and the cluster centre of every class is asked to make
It obtains weighted error sum of squares function in class and reaches minimum, be adapted with fuzzy division is introduced, Subject Matrix U allows value in 0-1
In range, obtaining objective function to all input parameter derivations is the smallest necessary condition, thus can determine best fuzzy point
Matroid U and cluster centre C can be carried out the classification of typical industry user by U.
3. a kind of construction method of interruptible load characteristic monitoring model for adapting to net load interaction according to claim 1,
It is characterized in that, industry overall characteristic is according to the average characteristics of every class electrical equipment by experiment or typical characteristics in the step 2
It determines.
4. a kind of construction method of interruptible load characteristic monitoring model for adapting to net load interaction according to claim 1,
It is characterized in that, from the loss of outage of interruptible load, analyzing influence interruptible load loss property in the step 2
Factor, in conjunction with user type, control frequency, control is practiced, disadvantage ratio makees loss property analysis.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646354A (en) * | 2013-11-28 | 2014-03-19 | 国家电网公司 | Effective index FCM and RBF neural network-based substation load characteristic categorization method |
| CN104268402A (en) * | 2014-09-25 | 2015-01-07 | 国家电网公司 | Power system load clustering method based on fuzzy c-means algorithm |
-
2018
- 2018-12-09 CN CN201811499596.9A patent/CN109344919A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646354A (en) * | 2013-11-28 | 2014-03-19 | 国家电网公司 | Effective index FCM and RBF neural network-based substation load characteristic categorization method |
| CN104268402A (en) * | 2014-09-25 | 2015-01-07 | 国家电网公司 | Power system load clustering method based on fuzzy c-means algorithm |
Non-Patent Citations (3)
| Title |
|---|
| 李培强等: "模糊C均值聚类在电力负荷", 《湖南大学学报( 自然科学版)》 * |
| 李欣然等: "基于统计综合负荷建模的系统方法研究", 《电力自动化设备》 * |
| 韩肖清: "基于模糊综合评价的聚类分析在", 《山西电力》 * |
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Application publication date: 20190215 |