New Approaches for Smart Grid Requirements: Grid Protection and Optimization of Distribution Grid Operation

被引：0
|
作者：
Ritter, S. [1 ]
Ruettinger, H. [1 ]
Ritter, S. [1 ]
Bretschneider, P. [1 ]
Westermann, D. [2 ]
机构：
[1] Fraunhofer Applicat Ctr Syst Technol AST, Energy Management Dept, Ilmenau, Germany
[2] ABB Switzerland Ltd, Zurich, Switzerland
来源：
2011 IEEE POWER AND ENERGY SOCIETY GENERAL MEETING | 2011年
关键词：
Grid Protection; Optimal Power Flow; Distributed Generation; Renewables; Nonlinear Optimization; Energy Management;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This paper outlines new approaches in the fields of grid protection and optimization of distribution grid operation. The optimization aims to reduce grid losses by setting an optimal power factor at distributed energy resources at lower voltage levels. A Nonlinear programming approach is described modeling the optimization problem and causing high requirements on the mathematical formulation. Due to providing ancillary services by DER the grid protection has to be considered. Distributed generation causes changes in the direction and magnitude of short-circuit current and due to these misinterpretations of measurements at protection devices. An approach for adapting the protection parameters to the state of distributed in-feed is presented. Additionally an outlook on further developments on grid optimization and grid protection is given.
引用
收藏
页数：7
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