Wind is one of the most prominent renewable sources of energy. Wind energy conversion system (WECS) is based on a variable speed wind turbine with direct driven permanent magnet synchronous generator (PMSG) and transmits its electrical power to an AC grid using advanced power electronic converter system. This paper describes operation and control of variable speed WECS based on gearless PMSG to...

The D-STATCOM is a shunt connected FACTS device which supplies reactive power to the load to improve the voltage stability of the load busses. The D-STAT COM in multi bus system is capable of reducing the losses and improving the voltage regulation.This work deals with comparison of Push Pull and Voltage Inverter based D-STATCOM for multi bus system. Eight bus system is modeled using the elemen...

This paper presents the mathematical model and control of a voltage source inverter (VSI) connected to an alternating current (AC) microgrid. The VSI considered in this is six switches three-phase Pulse Width Modulated (PWM) inverter, whose output active reactive power controlled dq reference frame. strategy presented here state feedback with disturbance cancellation. signal either provided by ...

This paper proposes a multi-stage power generation system suitable for renewable energy sources, which is composed of a DC-DC power converter and a three-phase inverter. The DC-DC power converter is a boost converter to convert the output voltage of the DC source into two voltage sources. The DC-DC converter has two switches operates like a continuous conduction mode. The input current of DC-DC...

Within the last decade, there have been rapid changes in technology. Power electronics have played a vital role in the technological developments. Inverters are extensively used in power electronic applications for converting DC (Direct Current) to AC (Alternating current). The applications of inverters range from uninterrupted power supplies used in home appliances control to HVDC power transm...

This paper presents a medium-voltage drive based on an open-end winding induction machine supplied by multilevel power converter topology. The consists of cascaded two-level three-phase voltage source inverters (VSI) connected to each side the windings and VSI is fed isolated DC supply. topology has been previously reported in literature as sinusoidal pulse-width modulation operating open loop....

control scheme respectively. The proposed active lilter consists This paper preSentS a comparison among proportional-integral. of SinoJe-phase pulse-width modulated (PWM) voltage source variable srnicncre voltage controller and enerty balance controller for i n v e r t e t (VSI) with a DC bus capacitor4 as an energy storage the control of single phme active filter. Proportional-integral (PI) an...

This paper presents the mathematical model and control of voltage source inverter (VSI) connected to an alternating current (AC) microgrid. The VSI used in this work was a six-switch three-phase PWM inverter, whose output voltages were controlled synchronous (dq) reference frame via sliding mode strategy. strategy required only voltages; other states system estimated by using high-gain observer...

This paper presents a power factor corrected (PFC) bridgeless (BL) buck–boost converter-fed brushless direct current(BLDC) motor drive as a cost-effective solution for low-power applications. An approach of speed control of the BLDC motor by controlling the dc link voltage of the voltage source inverter (VSI) is used with a single voltage sensor. This facilitates the operation of VSI at fundame...