| 计及电—气互联能源系统安全约束的可用输电能力计算 |
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| 引用本文： | 孙国强,陈胜,郑玉平,卫志农,王丹,陈霜.计及电—气互联能源系统安全约束的可用输电能力计算[J].电力系统自动化,2015,39(23):26-32. |
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| 作者姓名： | 孙国强 陈胜 郑玉平 卫志农 王丹 陈霜 |
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| 作者单位： | 可再生能源发电技术教育部工程研究中心, 河海大学, 江苏省南京市 210098,可再生能源发电技术教育部工程研究中心, 河海大学, 江苏省南京市 210098,南瑞集团公司(国网电力科学研究院), 江苏省南京市 211106,可再生能源发电技术教育部工程研究中心, 河海大学, 江苏省南京市 210098,智能电网教育部重点实验室, 天津大学, 天津市 300072,可再生能源发电技术教育部工程研究中心, 河海大学, 江苏省南京市 210098 |
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| 基金项目： | 国家自然科学基金资助项目(51277052,51107032,51407125) |
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| 摘 要： | 电力系统可用输电能力(ATC)定义了不同区域间的功率交换能力,ATC信息对于电力市场参与者而言至关重要。然而,随着以天然气为一次能源的燃气轮机(NGFPP)发电比重的显著提升,传统ATC计算并没有考虑NGFPP的一次能源供应以及天然气系统的运行约束,显然并不恰当。为此,文中研究了计及电—气互联能源系统静态安全约束的电力系统ATC计算,提出了电—气互联能源系统静态安全域的概念。采用基于线性预测的连续潮流法求解,以线性预测法辨识制约ATC的关键约束,不仅实现了ATC的快速、准确计算,而且为天然气系统运行状态的调整提供了参考。最后,算例分析验证了文中所述方法的适用性。
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| 关 键 词： | 可用输电能力 智能电网 能源互联网 能源互联 静态安全约束 线性预测 |
| 收稿时间： | 2015/6/25 0:00:00 |
| 修稿时间： | 2015/11/6 0:00:00 |
Available Transfer Capability Calculation Considering Electricity and Natural Gas Coupled Energy System Security Constrains |
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| SUN Guoqiang,CHEN Sheng,ZHENG Yuping,WEI Zhinong,WANG Dan and CHEN Shuang.Available Transfer Capability Calculation Considering Electricity and Natural Gas Coupled Energy System Security Constrains[J].Automation of Electric Power Systems,2015,39(23):26-32. |
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| Authors: | SUN Guoqiang CHEN Sheng ZHENG Yuping WEI Zhinong WANG Dan and CHEN Shuang |
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| Affiliation: | Research Center for Renewable Energy Generation of Ministry of Education, Hohai University, Nanjing 210098, China,Research Center for Renewable Energy Generation of Ministry of Education, Hohai University, Nanjing 210098, China,NARI Group Corporation (State Grid Electric Power Research Institute), Nanjing 211106, China,Research Center for Renewable Energy Generation of Ministry of Education, Hohai University, Nanjing 210098, China,Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China and Research Center for Renewable Energy Generation of Ministry of Education, Hohai University, Nanjing 210098, China |
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| Abstract: | Power system available transfer capability (ATC) defines the power exchange ability among different areas. The ATC information is crucial to power system market players. However, with the dramatic growth of natural gas fired power plant (NGFPP) proportion, the adequacy of primary energy and the natural gas system operational limits have not been well considered in the conventional ATC calculation, which is obviously inappropriate. In response, power system ATC calculation considering electricity and natural gas coupled energy system steady-state security constraints is primitively studied. Meanwhile, the concept of steady-state security regions of electricity and natural gas coupled energy systems is presented. Furthermore, continuation power flow based on the linear prediction method is implemented. The linear prediction method is used to identify the critical constraint, which benefits both the fast and accurate ATC calculation, and the adjustment of natural gas system operating states. Finally, applicability of the proposed method is verified by test results. This work is supported by National Natural Science Foundation of China (No. 51277052, No. 51107032, No. 51407125). |
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| Keywords: | available transfer capability (ATC) smart grid Energy Internet energy interconnection steady state security constraints linear prediction |
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