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This paper presents the simulation studies on a cascaded H-bridge converter based distribution static synchronous compensator (DSTATCOM) for improving the power quality of a distribution system. Voltage source converter based DSTATCOM has been established as the most preferred solution for management of reactive power in distribution utilities and for improving voltage regulation, power factor and...
To improve the quality of electrical power to the consumers, many power electronic based solutions are available. In the case of active power factor compensation, grid tied voltage source inverter based STATCOM is one of the versatile solution. But in this system most of the control strategies demand generation of unit vector, based on the grid voltage for vector orientation. But presence of harmonics...
The paper explains the power quality study conducted in a 4 MW mini steel plant, having fault level of 250 MVA, to investigate the critical electrical problems caused by the harmonics and the development of a STATCOM as a solution for harmonic mitigation. A 500 Kvar STATCOM is realized with a current controlled three level voltage source converter (VSC). The hardware configuration and the control...
In a power distribution network of a power utility or industry, the reactive power management plays a major role in reducing distribution loss and maintaining constant distribution voltage. Voltage source PWM inverter based reactive power generator has fast response to reactive power demand and hence can be used for power factor improvement and voltage support. With the availability of new generation...
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