Technical brochure
TB 928 WG C4.49

Multi-frequency stability of converter-based modern power systems

This Technical Brochure (TB) presents the overview of small-signal multi-frequency stability analysis methods and instability mitigation techniques in converter-based modern power systems. It provides a literature review covering the state-of-the-art of stability analysis and instability mitigation methods in power systems dominated by converters. Some aspects of modelling and analysis methods are discussed and supported by examples. The TB explains available methods for stability analysis and for instability mitigation together with their advantages and disadvantages. Guidelines towards academia and industry regarding the general approach to such studies as well as system design are provided.

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System technical performance

This Technical Brochure has been created by a Working Group from the CIGRE System technical performance Study Committee which is one of CIGRE's 16 domains of work.
The scope of SC C4 covers system technical performance phenomena that range from nanoseconds to many hours. SC C4 has been engaged in the following topics: Power Quality, EMC/EMI, Electromagnetic Transients and Insulation Coordination, Lightning, Power Systems Dynamics Performance, and Numerical Analysis. Study Committee C4 deals with methods and tools for analysis related to the technical performance of power systems, with particular reference to dynamic and transient conditions and to the interaction between the power system and its apparatus/sub-systems, between the power system and external causes of stress and between the power system and other installations.

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