Case Study 1: DSTATCOM Built with a Cascade Asymmetric Multilevel Converter
The power quality problems found in the distribution network have different causes [1]. Most of them are originated by the consumers, such as electric arc furnaces that cause flicker [2], nonlinear loads that introduce harmonic currents [3], unbalanced loads, and connection and disconnection of electric motors in high-power industries that cause voltage sags [4.]
Low power factor and harmonic currents are the most common power quality problems in medium-voltage (MV) distribution systems. One way to compensate these disturbances is to employ custom power devices (CPDs), such as distribution static compensator (DSTATCOM), which is mainly used ...
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