Abstract
Optimization and placement of spinning reserve is an important issue in power system planning and operation. Systematic way for security assessment of operating reserve needs to study. A security assessment index system for operating reserve in large interconnected power grids is presented in this paper. Firstly, classification and determination methods of operating reserve at home and abroad are investigated, and operating reserve is divided into transient state operating reserve and quasi-steady state operating reserve from the view of security assessment. Secondly, assessment indexes and optimization methods for transient state operating reserve are studied. Thirdly, optimization model, deterministic and probabilistic optimization methods for quasi-steady state operating reserve are explored. Finally, some principles for determination of operating reserve are suggested, and a security assessment index system is put forward. The proposed index system, considering both transient and quasi-steady state, both deterministic and probabilistic methods, provides a systematic way to assessment and arrangement of operating reserve.
Highlights
Several major blackouts occurred in the world recent years, causing great economic losses and severe social influence [1,2,3,4,5]
Optimization and placement of spinning reserve is an important issue in power system planning and operation
A security assessment index system for operating reserve in large interconnected power grids is presented in this paper
Summary
Several major blackouts occurred in the world recent years, causing great economic losses and severe social influence [1,2,3,4,5]. Optimization and placement of spinning reserve is an important issue in power system planning and operation [6,7,8,9,10]. Spinning reserve is often insufficient in period of peak load in many provinces, which is a great threat to security and stability of power system operation. A security assessment index system for operating reserve in large interconnected power grids is presented in this paper. Assessment indexes for transient state operating reserve are studied, and optimization methods are introduced. Some principles for determination of operating reserve are suggested, and a security assessment index system is put forward. The proposed index system, considering transient and quasisteady state, deterministic and probabilistic methods, provide a systematic way to assessment and arrangement of operating reserve
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