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The conventional “Delta” connected thyristor-controlled reactor (TCR) bank used for static var compensation and other applications is proposed to be split into two identical “Delta” banks each having kvar capacity half of the total TCR capacity. The study presented shows that such combination of two identical “Delta” connected reactor banks, one with phase switching by thyristors and the other with...
In this paper the conventional ‘Delta’ connected TCR bank is split into two identical ‘Delta’ banks each having kVAr capacity half of the total TCR capacity. The study presented shows that such combination of two identical ‘Delta’ connected reactor banks, one with phase switching by thyristors and the other with line switching thyristor arrangement can effectively reduce the harmonic generation of...
Diode and thyristor based solid state converters are preferred because of their high reliability in applications for bulk power conversion. These converters generally use Power diodes or SCR (silicon controlled rectifiers) which has non-linear characteristics. Due to this reason such converters generate highly non-sinusoidal currents at the power supply utility. As a result of distorted currents the...
Z-Source inverters can overcome some of the limitations, inherent in traditional Voltage Source and Current Source Inverters and can provide boosted outputs. Most of the literature on Z-source inverters deals with 3-phase or 1-phase bridge inverters. This paper proposes a Single-Phase Z-Source Push-Pull Inverter topology. This scheme has several advantages compared to basic Z-source full-bridge inverter...
The requirements of generating various low frequency voltage waveshapes are usually catered by using linear amplifiers, which results in low overall efficiency. High frequency voltage source inverters with low pass filter at the output are not suitable for these applications, as it is difficult to produce waveshapes containing high frequency components, and variation in frequency. A Boost Inverter...
This paper presents a 500W Soft Switched Flyback converter operating in discontinuous mode. The detailed circuit description, operation, characteristics, circuit equations and simulation results of the Active Clamp Flyback converter are presented here. The clamp capacitor absorbs leakage and a part of magnetizing energy stored in the primary winding of the Flyback transformer. Therefore the leakage...
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