计及负荷电压静特性的含分布式电源的前推回代潮流计算
分布式电源并网后,配电网中出现了新的节点类型,使得传统的前推回代法不能解决含分布式电源的配电网潮流计算问题。在考虑了恒功率、恒电流及恒阻抗的负荷电压静态特性的情况下,提出了改进的前推回代法对不同分布式电源进行潮流计算。该算法针对风力发电、光伏电池、燃料电池及燃气轮机分别建立了数学模型,并且在处理PV节点时,通过无功分摊原理设定无功初值,采用无功补偿装置进行功率修正。此外,针对辐射状配电网特征,采用搜索叶节点的方法,形成了便于前推及回代计算的参数矩阵。通过IEEE33配电系统验证表明所提出的方法收敛性能强,并且能有效解决含不同分布式电源的潮流计算问题。...
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| Published in | 电力系统保护与控制 Vol. 43; no. 24; pp. 26 - 32 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
兰州交通大学自动化与电气工程学院,甘肃 兰州,730070
2015
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1674-3415 |
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| Abstract | 分布式电源并网后,配电网中出现了新的节点类型,使得传统的前推回代法不能解决含分布式电源的配电网潮流计算问题。在考虑了恒功率、恒电流及恒阻抗的负荷电压静态特性的情况下,提出了改进的前推回代法对不同分布式电源进行潮流计算。该算法针对风力发电、光伏电池、燃料电池及燃气轮机分别建立了数学模型,并且在处理PV节点时,通过无功分摊原理设定无功初值,采用无功补偿装置进行功率修正。此外,针对辐射状配电网特征,采用搜索叶节点的方法,形成了便于前推及回代计算的参数矩阵。通过IEEE33配电系统验证表明所提出的方法收敛性能强,并且能有效解决含不同分布式电源的潮流计算问题。 |
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| AbstractList | TM744; 分布式电源并网后，配电网中出现了新的节点类型，使得传统的前推回代法不能解决含分布式电源的配电网潮流计算问题。在考虑了恒功率、恒电流及恒阻抗的负荷电压静态特性的情况下，提出了改进的前推回代法对不同分布式电源进行潮流计算。该算法针对风力发电、光伏电池、燃料电池及燃气轮机分别建立了数学模型，并且在处理PV节点时，通过无功分摊原理设定无功初值，采用无功补偿装置进行功率修正。此外，针对辐射状配电网特征，采用搜索叶节点的方法，形成了便于前推及回代计算的参数矩阵。通过IEEE33配电系统验证表明所提出的方法收敛性能强，并且能有效解决含不同分布式电源的潮流计算问题。 分布式电源并网后,配电网中出现了新的节点类型,使得传统的前推回代法不能解决含分布式电源的配电网潮流计算问题。在考虑了恒功率、恒电流及恒阻抗的负荷电压静态特性的情况下,提出了改进的前推回代法对不同分布式电源进行潮流计算。该算法针对风力发电、光伏电池、燃料电池及燃气轮机分别建立了数学模型,并且在处理PV节点时,通过无功分摊原理设定无功初值,采用无功补偿装置进行功率修正。此外,针对辐射状配电网特征,采用搜索叶节点的方法,形成了便于前推及回代计算的参数矩阵。通过IEEE33配电系统验证表明所提出的方法收敛性能强,并且能有效解决含不同分布式电源的潮流计算问题。 |
| Abstract_FL | Distributed generation connection leads to the new kinds of nodes appeared in distribution network. Thus, it makes the traditional calculation method of back/forward sweep power flow fail. Based on the static characteristics of load voltage of constant power, constant current and constant resistance, this paper proposes an improved forward-backward sweep method for power flow calculation of different kinds of node types of distributed generation. The method focuses on the wind power, photovoltaic cells, fuel cell and gas turbine, establishes the mathematical modeling respectively, when dealing with the PV node, it uses reactive power compensation device for power correction, and the reactive power allocation principle to determine the initial value. In addition, according to the radial distribution characteristics, with the method of searching the leaf node, it forms a convenient parameter matrix which is convenient for forward-backword sweep method. The IEEE33 distribution system shows that the proposed method convergence performance is strong, and can effectively solve the problem of power flow calculation containing different distributed generation. |
| Author | 周家南 苏宏升 |
| AuthorAffiliation | 兰州交通大学自动化与电气工程学院,甘肃兰州730070 |
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| Author_FL | ZHOU Jianan SU Hongsheng |
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| Keywords | distributed generation back/forward sweep 分布式电源 distribution network 配电网 前推回代 潮流计算 load flow calculation |
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| Notes | distributed generation; load flow calculation; back/forward sweep; distribution network ZHOU Jianan,SU Hongsheng （College of Automation and Electrical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China） Distributed generation connection leads to the new kinds of nodes appeared in distribution network. Thus, it makes the traditional calculation method of back/forward sweep power flow fail. Based on the static characteristics of load voltage of constant power, constant current and constant resistance, this paper proposes an improved forward-backward sweep method for power flow calculation of different kinds of node types of distributed generation. The method focuses on the wind power, photovoltaic cells, fuel cell and gas turbine, establishes the mathematical modeling respectively, when dealing with the PV node, it uses reactive power compensation device for power correction, and the reactive power allocation principle to determine the initial value. In addition, according to the radial distribution |
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| Snippet | 分布式电源并网后,配电网中出现了新的节点类型,使得传统的前推回代法不能解决含分布式电源的配电网潮流计算问题。在考虑了恒功率、恒电流及恒阻抗的负荷电压静态特性的情况... TM744; 分布式电源并网后，配电网中出现了新的节点类型，使得传统的前推回代法不能解决含分布式电源的配电网潮流计算问题。在考虑了恒功率、恒电流及恒阻抗的负荷电压静态特... |
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| SubjectTerms | 分布式电源 前推回代 潮流计算 配电网 |
| Title | 计及负荷电压静特性的含分布式电源的前推回代潮流计算 |
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