需求响应参与大规模风电接入下的电力系统频率调节研究

针对大规模风电接入下的电力系统频率稳定控制问题,研究了需求响应对系统频率的调节作朋。为了反映风电的特点,建立了大规模风电接入下的电力系统频率响应模型,模型中对风电和火电机组分别进行了建模。风电机组可以通过暂时释放转子动能参与调频,然而在扰动过大时会导致系统失稳。通过采取一一种类似于低压低频减载的需求响应控制方法,即在频率跌落时关闭部分用电设备,待频率恢复后将这些设备重新打开,可以为电力系统调频提供支持。仿真结果表明,需求响应与风电机组同时参与电力系统调频,能够克服风电机组的失稳问题,大大提高风电系统的频率稳定性。...

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Published in电力系统保护与控制 Vol. 43; no. 4; pp. 32 - 37
Main Author 包宇庆 李扬 王春宁 薛璐
Format Journal Article
LanguageChinese
Published 东南大学电气工程学院,江苏 南京,210018%江苏省电力公司南京供电公司,江苏 南京,210008 2015
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ISSN1674-3415

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Abstract 针对大规模风电接入下的电力系统频率稳定控制问题,研究了需求响应对系统频率的调节作朋。为了反映风电的特点,建立了大规模风电接入下的电力系统频率响应模型,模型中对风电和火电机组分别进行了建模。风电机组可以通过暂时释放转子动能参与调频,然而在扰动过大时会导致系统失稳。通过采取一一种类似于低压低频减载的需求响应控制方法,即在频率跌落时关闭部分用电设备,待频率恢复后将这些设备重新打开,可以为电力系统调频提供支持。仿真结果表明,需求响应与风电机组同时参与电力系统调频,能够克服风电机组的失稳问题,大大提高风电系统的频率稳定性。
AbstractList 针对大规模风电接入下的电力系统频率稳定控制问题,研究了需求响应对系统频率的调节作朋。为了反映风电的特点,建立了大规模风电接入下的电力系统频率响应模型,模型中对风电和火电机组分别进行了建模。风电机组可以通过暂时释放转子动能参与调频,然而在扰动过大时会导致系统失稳。通过采取一一种类似于低压低频减载的需求响应控制方法,即在频率跌落时关闭部分用电设备,待频率恢复后将这些设备重新打开,可以为电力系统调频提供支持。仿真结果表明,需求响应与风电机组同时参与电力系统调频,能够克服风电机组的失稳问题,大大提高风电系统的频率稳定性。
TM712; 针对大规模风电接入下的电力系统频率稳定控制问题,研究了需求响应对系统频率的调节作用。为了反映风电的特点,建立了大规模风电接入下的电力系统频率响应模型,模型中对风电和火电机组分别进行了建模。风电机组可以通过暂时释放转子动能参与调频,然而在扰动过大时会导致系统失稳。通过采取一种类似于低压低频减载的需求响应控制方法,即在频率跌落时关闭部分用电设备,待频率恢复后将这些设备重新打开,可以为电力系统调频提供支持。仿真结果表明,需求响应与风电机组同时参与电力系统调频,能够克服风电机组的失稳问题,大大提高风电系统的频率稳定性。
Abstract_FL In view of the frequency control problem caused by high wind penetration, demand response for the frequency control is investigated. In order to reflect the characteristics of wind power, the frequency response model of high wind penetrated power systems is developed, in which wind generators and thermal generators are modeled respectively. The wind generators can participate in frequency control by temporarily release kinetic energy stored in the rotor. However, this control method cannot cope with large disturbances. To support the frequency control, the demand response adopts a control method which is similar to the under frequency load shedding method. That is, some electrical appliances are switched off when the frequency drops; after the frequency restores, these manipulated appliances are switched on again. The simulation results show that demand response in cooperation with wind generators can greatly improve grid frequency stability.
Author 包宇庆 李扬 王春宁 薛璐
AuthorAffiliation 东南大学电气工程学院,江苏南京210018 江苏省电力公司南京供电公司,江苏南京210008
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Author_FL XUE Lu
WANG Chunning
LI Yang
BAO Yuqing
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DocumentTitleAlternate On demand response participating in the frequency control of the grid under high wind penetration
DocumentTitle_FL On demand response participating in the frequency control of the grid under high wind penetration
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Issue 4
Keywords load frequency control
wind power
风电
电力系统调频
电网友好型设备
rotor speed control
需求响应
grid friendly appliance
转子转速控制
demand response
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load frequency control; demand response; grid friendly appliance; wind power; rotor speed control
BAO Yuqing, LI Yang, WANG Chunning, XUE Lu(1. School of Electrical Engineering, Southeast University, Nanjing 210018, China; 2. Nanjing Power Supply Company, Jiangsu Electric Power Company, Nanjing 210008, China)
In view of the frequency control problem caused by high wind penetration, demand response for the frequency control is investigated. In order to reflect the characteristics of wind power, the frequency response model of high wind penetrated power systems is developed, in which wind generators and thermal generators are modeled respectively. The wind generators can participate in frequency control by temporarily release kinetic energy stored in the rotor. However, this control method cannot cope with large disturbances. To support the frequency control, the demand response adopts a control method which is similar to the under frequency load shedding method. That is, some electrical appliances are
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Publisher 东南大学电气工程学院,江苏 南京,210018%江苏省电力公司南京供电公司,江苏 南京,210008
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Snippet 针对大规模风电接入下的电力系统频率稳定控制问题,研究了需求响应对系统频率的调节作朋。为了反映风电的特点,建立了大规模风电接入下的电力系统频率响应模型,模型中对风...
TM712; 针对大规模风电接入下的电力系统频率稳定控制问题,研究了需求响应对系统频率的调节作用。为了反映风电的特点,建立了大规模风电接入下的电力系统频率响应模型,模...
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StartPage 32
SubjectTerms 电力系统调频
电网友好型设备
转子转速控制
需求响应
风电
Title 需求响应参与大规模风电接入下的电力系统频率调节研究
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