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Reference signals are generally generated for various applications in current waveforms, including active and reactive power control, voltage regulation and unbalance compensation. Current modulators (e.g. hysteresis method) are dynamically fast and simple to implement. However, variable high switching frequencies result in lower efficiency compared to other modulators. In the mean time, if references...
Cascaded multi-level converters have some noticeable advantages such as high reliability, efficient fault management capability, simple structure, and adaptability with different power levels. Furthermore, these converters could be connected to medium-voltage networks without an isolating transformer. However, the voltage balancing of the DC capacitors is a highly challenging task particularly in...
The transient performance of 3-phase 4-wire self-excited induction generator (SEIG) feeding various types of linear and non-linear loads is analyzed in detail. The reactive power of SEIG and the load are being controlled by a 3-phase 4-wire configuration of static compensator (STATCOM). The STATCOM is an insulated gate bipolar transistor (IGBT) based, pulse width modulation (PWM) operated, four-leg...
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