An Improved Single Phase Active Power Filter with Optimum DC Capacitor
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05-04-2010, 08:25 PM

Abstract “
Solid state control of ac power using diodes, thyristors and triacs injects the harmonics into the ac mains. These injected harmonics cause low efficiency in the supply system, poor power factor and EMI problems. Active filters have been considered a potential candidate to reduce these problems. This paper deals with an active power-filter (APF) based on simple control with optimum selection of energy storage capacitor. A voltage source inverter with hysteresis current control is employed to form the APF, which uses minimum measured variables to make it cost effective. A diode rectifier feeding capacitive-resistive load is considered a nonlinear load on ac mains for the elimination of harmonics by the proposed APF. A detailed dynamic model of the scheme is simulated and effect of different parameters is studied.
Presented By:
Bhim Singh
Electrical Engineering Department
Indian Institute of Technology


Ambrish Chandra and Kamal AI-Haddad
ElFctrical Engineering Department

Solid state controllers are widely used to convert and control ac power to variety of electrical loads. Some of these are rectifier fed variable speed drives, light control, temperature control, ac voltage regulators, SMPS and UPS. These converters introduce harmonics into ac mains and cause poor power-factor, low efficiency and deteriorate the life of other equipment. They also results in interference in precision instruments and communication network. In past passive L-C filters were generally used to reduce these problems but they have many demerits such as large size, resonance, fixed compensation, noise, increased losses

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10-08-2010, 07:07 PM

great greaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaat
kinjal patel
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10-08-2010, 08:21 PM

get me the full seminar and presentation report

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