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Dissimilar traditionalistic passive type harmonic power filters, modern active type harmonic power filters have the favorable multiple functions: harmonic filtering, damping, reactive-power control for power factor correction and voltage regulation, load balancing, voltage-flicker reduction etc., This paper presents a hybrid fuzzy logic controlled based improved power quality conditioner used to counterbalance...
This paper mainly deals with three different topologies of cascaded H-Bridge multilevel inverter. The Existing Topology is a general type of multilevel inverter and has two DC sources for each phase. In Proposed Topology-I the number of DC sources has been reduced to one for all the three phases and the usage of transformers comes into picture. Proposed Topology-II has also only one DC source for...
This paper presents a modern industrial devices are mostly based on electronic devices such as programmable logic controllers and electronic drives. The electronic devices are very sensitive to disturbances and become less tolerant to power quality problems such as voltage sags, swells and harmonics. In this multi level inverter is used because to improve output voltage like Voltage Profile &...
The objective of this paper is to build a simple voltage and current controlled modulation techniques for brushless dc motors using PSIM. In electric traction and most other applications, a wide range of speed and torque control of the electric motor is required. The dc machine fulfills these requirements, but the dc machine requires constant maintenance. But the brushless permanent magnet motors...
This paper presents a three-phase cascaded H-Bridge MLI as Shunt Active Filter intended for installation on industrial and utility of power distribution system is widely accepted and implemented as a solution to the power quality problems in utility, industry and commercial applications. This paper proposes the design of a shunt active power filter under the condition of voltage sag, unbalanced loads...
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