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FUNCTIONS CHARACTERISTICS AND APPLICATIONS
The Thyristor PhaseControlled CycloconverterIts
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2-quadrant converter 6-pulse converter a-c input amplitude anode application basic bridge circuit circulating current reactor commutation overlap component of current connected continuous conduction control method converter firing angle cosine wave crossing Current in input Current in thyristor cycloconverter circuit d-c terminal voltage direct current dual-converter end-stop equivalent output expression Figure firing angle control firing instants firing pulse freewheel diode harmonic analysis harmonic components harmonic distortion harmonic frequencies harmonic series input current waveform input displacement factor input frequency ratio input line current input voltage instantaneous interphase load current load displacement angle load displacement factor mean d-c terminal negative converter obtained output phase output terminals output to input output voltage ratio output voltage waveform phase-controlled converter positive converter pulse number quadrature component reference voltage regenerative braking relationship relatively result ripple voltage shown in Fig sinusoidal Six-pulse source inductance subharmonic supply switching voltage and current wanted component waveforms of Fig waveshape zero