基于PSS/E潮流API接口的动态过程仿真系统

王勇; 李峰; 潘玲玲; 刘俊; 徐鹏

引用本文:	王勇,李峰,潘玲玲,等.基于PSS/E潮流API接口的动态过程仿真系统[J].电力系统保护与控制,2014,42(15):136-141.
	WANG Yong,LI Feng,PAN Ling-ling,et al.Dynamic process simulation system based on power flow API of PSS/E[J].Power System Protection and Control,2014,42(15):136-141

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基于PSS/E潮流API接口的动态过程仿真系统
王勇^1,2,3,4,5, 李峰^1,2,3,4,5, 潘玲玲^1,2,3,4,5, 刘俊^1,2,3,4,5, 徐鹏^1,2,3,4,5
1.PSS/E;2.API;3.潮流计算;4.动态过程仿真系统;5.不平衡功率动态预分配

摘要:

电力系统仿真分析软件PSS/E提供了丰富的API接口，为应用程序的二次开发提供了便利。基于PSS/E的Fortran API接口设计实现了以PSS/E潮流计算为核心的动态过程仿真系统。通过对API接口的二次开发和封装，建立潮流计算接口层，实现对PSS/E潮流计算的控制。建立了用户自定义调速器模型，将频率和调速器仿真结果通过接口层与PSS/E潮流进行交互，实现系统的动态响应过程仿真。通过潮流计算前的不平衡功率动态预分配技术，使扰动过程中联络线功率分配更加真实合理。通过9节点算例和华北实际电网模型对仿真系统进行验证，仿真结果表明，利用PSS/E的API接口进行二次开发能够满足大型应用程序对准确性和实时性的要求。

关键词: PSS/E API 潮流计算动态过程仿真系统不平衡功率动态预分配

DOI：10.7667/j.issn.1674-3415.2014.15.022

分类号:

基金项目:国家电网公司科技项目“调度自动化系统试验验证平台关键技术研究与应用”；国家电网公司科技项目“‘源-网-荷’互动环境下电网稳态分析方法研究”

Dynamic process simulation system based on power flow API of PSS/E

WANG Yong^1,2,3,4,5, LI Feng^1,2,3,4,5, PAN Ling-ling^1,2,3,4,5, LIU Jun^1,2,3,4,5, XU Peng^1,2,3,4,5

1.PSS/E;2.API;3.power flow calculation;4.dynamic process simulation system;5.dynamic predistribution technology of unbalance power

Abstract:

Power system simulation software PSS/E provides many interfaces to develop the application program. The dynamic process simulation system, with PSS/E power flow calculation as the core, is designed by Fortran API interface. First, the power flow calculation interface layer is achieved via API secondary developing and encapsulation to control the PSS/E power flow. Then a user-defined governor model is established, and frequency and governor simulation results interact with PSS/E power flow through the interface layer to achieve the dynamic process simulation. Dynamic predistribution technology of unbalance power during the simulation process is proposed, which makes the distribution of tie line power flow more reasonable during disturbance. Finally, the simulation results of IEEE 9-buses system and North China Power Grid verify that secondary development by PSS/E API interface can satisfy the requirements of real-time and high accuracy of large applications.

Key words: PSS/E API power flow calculation dynamic process simulation system dynamic predistribution technology of unbalance power

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