A Comprehensive Approach to Study Static and Dynamic Aspectsof Voltage Stability

研究电压稳定性静态和动态方面的综合方法

• 批准号: 9414131
• 负责人: Venkataramana Ajjarapu
• 金额: $ 15.72万
• 依托单位: Iowa State University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1994
• 资助国家: 美国
• 起止时间: 1994-10-01 至 1998-09-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9414131&HistoricalAwards=false
• 关键词: Comprehensive; Approach; Study; Static; Dynamic

9414131 Ajjarapu The objective of this project is to develop a unified frame work, which can be used to study voltage stability in the structure preserving power system model. This project will develop a systematic sensitivity analysis that identifies the areas, components and the parameters which are responsible for possible voltage collapse. The salient features of this project are: o Includes all the key dynamic devices are recommended by the recent CIGRE task force, o Continuation power flow with small signal dynamic formulation systematically traces the entire PV curve with dynamic stability information, o Realistic load increase and generation sharing scheme with relevant limits (in particular, it replaces the constant generator field and armature current limits), o Derivation of parametric sensitivity of algebraic variables in terms of parametric sensitivity of state variables. This basically gives the contributions of any parameter to a particular critical point, o Derivation of dynamic index that indirectly identifies the approaching critical point, o Classification of angle or voltage related problems, o Application of recent results of differential-geometric methods to reduce DAE's into ODE's to obtain efficient time domain simulations, o Practical significance of Node-Focus and 1:1 resonance. ***

9414131 Ajjarapu 该项目的目标是开发一个统一的框架，可用于研究保持电力系统模型结构的电压稳定性。 该项目将开发系统的敏感性分析，以确定可能导致电压崩溃的区域、组件和参数。 该项目的显着特点是： o 包括最近 CIGRE 工作组推荐的所有关键动态器件， o 小信号动态公式的连续功率流系统地跟踪带有动态稳定性信息的整个 PV 曲线， o 现实的负载增加和发电具有相关限制的共享方案（特别是，它取代了恒定发电机磁场和电枢电流限制）， o 根据状态变量的参数灵敏度推导代数变量的参数灵敏度。 这基本上给出了任何参数对特定临界点的贡献， o 间接识别接近临界点的动态指数的推导， o 角度或电压相关问题的分类， o 应用微分几何方法的最新结果将 DAE 简化为ODE 以获得有效的时域模拟， o 节点焦点和 1:1 共振的实际意义。 ***