Re-using and re-rating older rectifiers with new DC/DC choppers

Beak, J.; Buddingh, P.; Scaini, V.

doi:10.1109/pcicon.2000.882770

Cited by 4 publications

(2 citation statements)

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“…The applications of rectifier-chopper have been reported (Scaini and Urban, 1998;Maniscalco et al, 1999;Wiechmann et al, 2000;Beak et al, 2001;Scaini and Ma, 2002;Rodríguez et al, 2005) in the drives where high voltages are required at starting and lower voltages at full current during normal operation. Its application for power quality improvement has also been reported in DC arc furnace, graphite resistive heating, electro-winning (steel and non-ferrous) and plasma torch.…”

Section: Proposed 12-pulse Rectifier-chopper Topology For Pq Improvemmentioning

confidence: 99%

“…paper, mining, rolling mills, water treatment plants, petrochemical, etc. (Poole and Frey, 1988;Turner and Lemone, 1989;Azbill et al, 1990;Wiechmann et al, 2000;Beak et al, 2001;Scaini and Ma, 2002). These applications employ a six-pulse controlled converter fed LCI-SM drive, despite its higher current THD at AC mains and poor power factor.…”

Section: Introductionmentioning

confidence: 99%

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Particle swarm optimisation for power quality improvement of a 12-pulse rectifier-chopper fed LCI-synchronous motor drive

Singh

2012

IJISTA

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This paper investigates the optimised passive filter combination for power quality improvement of a 12-pulse rectifier-chopper fed load commutated inverter (LCI) based synchronous motor (SM) drive. The search of optimised component values of passive filter combination is carried out by a modified particle swarm optimisation (PSO) algorithm with an objective of reduction in total harmonic distortion (THD) and improvement in power factor (PF) of AC mains current. The proposed PSO algorithm is formulated and implemented in the MATLAB-SIMULINK environment for three varieties of loads on LCI-SM drive, namely constant torque variable speed loads, constant speed variable torque load and variable speed variable torque load to meet the requirements in wide range of applications. The obtained results show considerable improvement in the power quality at the input AC mains of the LCI-SM drives for all varieties of loads and presents a basis for selection of a suitable passive filter combination.Reference to this paper should be made as follows: Singh, S. and Singh, B. (2012) 'Particle swarm optimisation for power quality improvement of a 12-pulse rectifier-chopper fed LCI-synchronous motor drive ', Int.

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