Why conventioanl statcom is better than CHB statcom?
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The conventional STATCOM is not necessarily better than the Cascaded H-Bridge (CHB) STATCOM in all aspects. The CHB STATCOM offers unique advantages such as providing virtual synchronous inertial support, reactive power support without disrupting normal operation, and improving frequency stability in power electronics dominated grids . Additionally, the CHB STATCOM can optimize cost through a cost-majorization-oriented design principle, requiring lower DC-link voltage for the same output compared to conventional designs . Moreover, the CHB-based STATCOM with decoupling control algorithm ensures voltage balancing of DC-link capacitors with fewer voltage sensing devices, enhancing overall power factor and demonstrating functionality under various loading conditions . Therefore, the CHB STATCOM presents innovative features and benefits that make it a competitive choice in modern power systems.
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Related Questions
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