Wind Power Integration in Provincial Power Grid under Electricity and Heating Load Control

doi:10.7652/xjtuxb201402012

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Wind Power Integration in Provincial Power Grid under Electricity and Heating Load Control

更新时间：2025-07-09

- Wind Power Integration in Provincial Power Grid under Electricity and Heating Load Control
- Vol. 48, Issue 2, Pages: 69-73+117(2014)
- 作者机构：
  
  中国电力科学研究院,北京,100192
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb201402012
  CLC： TM761
- Online First：10 February 2014，
  
  Published：2014
- 稿件说明：
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Wind Power Integration in Provincial Power Grid under Electricity and Heating Load Control[J]. 2014, 48(2): 69-73+117.
DOI：

Wind Power Integration in Provincial Power Grid under Electricity and Heating Load Control[J]. 2014, 48(2): 69-73+117. DOI： 10.7652/xjtuxb201402012.

摘要

针对中国北方电网中大量的间歇性和波动性的风电

以及高比例的热电联产机组并存而带来的风电并网难题

提出一种综合热电负荷控制的方法

通过引入城市中广泛使用的空调热泵和集中供暖管道距离这两个因素来实现。根据上述提出的方法

综合热电负荷控制可按照以下方法实现:首先

在系统风电出力不足时

减少热电联产机组热水出力

增加热电联产机组的发电出力

等效补偿风电出力不足; 其次

考虑到供暖距离导致的热水传输延迟

在风电出力过剩时

通过使用空调热泵消耗电能提供采暖供热

弥补热电机组采暖热水输出减少带来的终端用户采暖热水供给不足

同时可以消耗多余的风电出力。仿真计算结果表明:所提方法能够很好地帮助系统增加风电并网容量

新增并网风电可达风电总发电量的13%

而且这种新的综合热电负荷的控制方法具有很好的节能潜力

在现有条件下

对所仿真的系统每日可减少标准煤耗917.28 t。

Abstract

Aiming at the difficulties in wind power integration with a mass of intermittent wind power and combined heat and power(CHP)in northern China

a strategy for integrated electricity and heating load control based on smart grid technology is proposed via electric heat pumps(EHPs)and heating delay due to heating distance. According to aforementioned methodology

integrated electricity and heating load control is realized. When the wind power is insufficient

heating water from CHP units is suggested to be shaved so as to increase its power output and compensate wind power equivalently. Then taking account of heating delay due to heating distance

EHPs can supply heating by electricity to replace parts of CHP heating water when the wind power is surplus

so that excess wind power is utilized. A numerical simulation concerning CHP

wind power turbines and condensing unit is performed to illustrate the result. It indicates that the capacity of integrated wind power is heightened by 13% of the total wind power

and with less energy consumption

for the simulated system standard coal of 917.28 t can be reduced every day under the existing condition.

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references

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