Optimization method for user side battery energy storage configuration and operation

An operation optimization and user-oriented technology, applied in the field of power system, can solve problems such as failure to consider power load forecast error, poor energy storage performance, and difficulty in optimal energy storage allocation capacity, etc., to achieve multiple economic benefits and reduce power consumption cost effect

Active Publication Date: 2020-01-21
ZHEJIANG UNIV
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Problems solved by technology

There are also some studies that predetermine the scheduling strategy for energy storage capacity allocation and day-ahead operation planning. This method is not only difficult to obtain the optim

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  • Optimization method for user side battery energy storage configuration and operation
  • Optimization method for user side battery energy storage configuration and operation
  • Optimization method for user side battery energy storage configuration and operation

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[0023] The present invention will be further described below in conjunction with the drawings. The present invention includes the following steps:

[0024] Step 1: Calculate the user's income from additional energy storage

[0025] For large industrial users, the electricity fee charged by the power supply company is divided into two parts: the basic electricity fee and the electricity fee. Among them, there are many ways to collect the basic electricity fee that users need to pay. At present, most users choose to charge according to the actual demand (the maximum demand actually recorded every month), that is, the maximum demand of the current month multiplies the basic electricity fee Price (different from region to region); electricity tariff is calculated based on the user’s real-time electricity consumption multiplied by the electricity price at the corresponding time.

[0026] If the user installs energy storage batteries in advance, utilizes the flexible electrical power thro...

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Abstract

The invention discloses an optimization method for user side battery energy storage configuration and operation. According to the method, an energy storage configuration optimization model combining demand defense and peak load shifting is constructed on the basis of charging rules of large industrial user electricity charges. For different users, the most appropriate energy storage configurationcan be selected by utilizing investment return rate evaluation. A energy storage operation performance constraints are added when the optimization model is constructed, so that the operation loss canbe reduced, and the energy storage life is prolonged. During energy storage daily operation optimization, load data is updated in real time, an intra-day operation scheduling optimization model is constructed, and real-time rolling optimization is carried out; secondly, a monthly demand defense value updating model is constructed, the monthly demand defense value is updated in time, and the influence of load prediction errors is continuously corrected; examples prove that the rolling optimization algorithm provided by the invention can more reasonably schedule energy storage and effectively reduce the power consumption cost of users.

Description

technical field [0001] The invention belongs to the technical field of power systems, and specifically relates to a configuration and operation optimization method for user-side battery energy storage. Background technique [0002] The cost of electricity consumption is an important part of the operating costs of large power users. Battery energy storage (hereinafter referred to as "energy storage") can adopt the strategy of "low storage and high discharge", that is, to store electric energy when the user's power load and electricity price are low, and to release electric energy when the user's power load and electricity price are high. In the case of changing the user's electricity consumption behavior, the maximum monthly demand value of the user's load is reduced, and the basic electricity fee is reduced while generating peak-shaving and valley-filling benefits. Moreover, the user-side energy storage service objects are clear, and there are fewer changing factors, which ...

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Application Information

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IPC IPC(8): G06F30/20G06Q10/04G06Q50/06G06F113/04
CPCG06Q10/04G06Q50/06
Inventor 王慧芳赵乙潼何奔腾
Owner ZHEJIANG UNIV
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