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Control method for optimizing thermal power peak shaving through battery energy storage coordinated electric heating

A technology of battery energy storage and battery energy storage system, which is applied in the control field of battery energy storage to coordinate electric heating and optimize thermal power peak shaving, which can solve problems such as reducing system flexibility, conflicts between heating and peak shaving, and exacerbating the problem of wind curtailment. Reach the effect of reducing air pollution, expanding peak shaving margin, and flattening heating load

Inactive Publication Date: 2020-08-04
SHANGHAI YUYUAN POWER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In my country's "Three North" areas, the heat load is high and the electricity load is low. During the winter heating period, the operation mode of the cogeneration heating unit leads to the contradiction between heating supply and peak regulation, which reduces the flexibility of the system and further aggravates the problem of wind curtailment.

Method used

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  • Control method for optimizing thermal power peak shaving through battery energy storage coordinated electric heating
  • Control method for optimizing thermal power peak shaving through battery energy storage coordinated electric heating
  • Control method for optimizing thermal power peak shaving through battery energy storage coordinated electric heating

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Embodiment Construction

[0012] Embodiments of the present application will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, various embodiments in the present application and various features therein can be combined arbitrarily with each other.

[0013] In the related technology, the thermal power unit works in the mode of "heating fixed power" during the heating period, and the peak regulation of the power grid is in conflict with the heating supply. Under the premise of meeting the heat supply, when the peak regulation capacity of the system cannot meet the demand, it can only be controlled by wind power. Wind curtailment is used to ensure power balance and system security and stability, which brings limitations. In order to solve this technical problem, the present invention has been proposed.

[0014] The specific technical details of the present application will be described in detail below.

[0015] figure 1 An e...

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Abstract

The invention discloses a control method for optimizing thermal power peak shaving through battery energy storage coordinated electric heating. In one embodiment of the invention, the control method comprises the following steps: in a peak period, judging whether the SOC (state of charge) of a battery energy storage system is greater than a preset SOC minimum value or not; if the SOC of the battery energy storage system is greater than the preset SOC minimum value, controlling a heat storage device to execute a heat release action to meet the thermal load demand, and controlling the battery energy storage system to discharge to increase the peak-valley price difference income; and if the SOC of the battery energy storage system is smaller than or equal to the SOC minimum value, controllingthe heat storage device to execute a heat release action to meet the heat load requirement, and meanwhile, controlling the battery energy storage system not to act. According to the embodiment of theinvention, by arranging a heat storage type electric boiler, the electric quantity can be consumed, and heat can be supplied in the heating period.

Description

technical field [0001] The invention relates to the technical field of energy management, in particular to a control method for coordinating electric heating with battery energy storage and optimizing thermal power peak regulation. Background technique [0002] my country's energy distribution and electricity load are reversely distributed, and the grid structure and power supply ratio are different in different regions. my country's "three north" regions are rich in wind energy and suitable for large-scale development of wind power generation. However, with the rapid development of wind power, the problem of wind power acceptance has become increasingly prominent. In my country's "Three North" areas, the heat load is high and the electricity load is low. During the winter heating period, the operation mode of the cogeneration heating unit leads to the contradiction between heating supply and peak regulation, which reduces the flexibility of the system and further aggravates...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/32H02J3/46H02J3/24H02J7/00G06Q10/06G06Q50/06
CPCG06Q10/06312G06Q50/06H02J3/24H02J3/32H02J3/466H02J7/0048Y02E40/10
Inventor 尚德华贾葳
Owner SHANGHAI YUYUAN POWER TECH CO LTD
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