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Heat storage type electric boiler capacity planning method considering battery energy storage

A technology of battery energy storage and capacity planning, which is applied in the direction of instruments, calculation models, data processing applications, etc., and can solve the problems of uneconomical and expensive boiler systems

Inactive Publication Date: 2021-03-05
STATE GRID XINJIANG ELECTRIC POWER CO URUMQI ELECTRIC POWER SUPPLY CO
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Considering that the cost of battery energy storage and heat storage electric boilers is relatively expensive, the existing technology is usually not able to optimize the economical operation of the boiler system

Method used

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  • Heat storage type electric boiler capacity planning method considering battery energy storage
  • Heat storage type electric boiler capacity planning method considering battery energy storage
  • Heat storage type electric boiler capacity planning method considering battery energy storage

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Embodiment

[0155] Taking a 50MW wind farm as the target wind farm to supply heat to nearby 80,000 square meters of energy-saving civil buildings, the present invention considers battery energy storage heat storage electric boiler capacity planning method comprising the following steps:

[0156] Step 1: Establish an economically optimal objective function considering the total operating income, investment cost and income of the system, including the total operating income, investment cost, and income of the system. The specific calculations are shown in formulas (1) to (8).

[0157] Assume that the heating period totals 151 days.

[0158] ①The heating price is 290,000 yuan / 10,000 m 2 ;

[0159] ② The cost of the electrode boiler is 500,000 yuan / MW, the unit price of the heat storage device is 50,000 yuan / MWh, the life span is 20 years, and the depreciation rate is 15%;

[0160] ③ The unit price of battery energy storage power is 900,000 yuan / MW, the unit price of battery energy storage ...

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Abstract

The invention discloses a heat storage type electric boiler capacity planning method considering battery energy storage. The method comprises the following steps: establishing an economic optimal objective function considering total income, investment cost and income of system operation; establishing heat storage type electric boiler system operation constraint conditions considering battery energy storage, wherein the conditions comprise boiler system constraints, heat storage device operation constraints, heat load demand constraints and electric power and electric quantity balance constraints, the boiler system constraints comprise operation power constraints and power climbing constraints, the heat storage device operation constraints comprise a heat storage state operation constraintand a heat storage and release power constraint, and the energy storage system constraints comprise an energy storage operation power constraint and a battery energy storage state-of-charge constraint; and solving by adopting a particle swarm algorithm to obtain the optimal planning configuration of the electric boiler capacity which is optimal in economy and meets the operation constraint conditions of the heat storage type electric boiler system. According to the invention, the capacity configuration of the heat storage type electric boiler for battery energy storage can be realized.

Description

technical field [0001] The present invention relates to a method for capacity planning, more specifically, relates to a method for capacity planning of a heat storage electric boiler considering battery energy storage. Background technique [0002] Considering that the cost of battery energy storage and heat storage electric boilers is relatively expensive, the existing technology is usually not able to optimize the economical operation of the boiler system. In the past two years, electric heating has developed rapidly. How to design a reasonable capacity of battery energy storage and heat storage electric boiler is the main technical requirement to realize economical heating and absorb abandoned wind. Therefore, by introducing heat storage electric boilers to supply heat and store heat to increase the demand for electric loads to accommodate abandoned wind, and battery energy storage to assist in coordinating the consumption of abandoned wind, a reasonable capacity of batt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q50/06G06N3/00
CPCG06N3/006G06Q10/04G06Q50/06
Inventor 陈进李冰桑遥陈德高高亮陈疆
Owner STATE GRID XINJIANG ELECTRIC POWER CO URUMQI ELECTRIC POWER SUPPLY CO
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