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The project is designed to enhance the power factor of transmission line with the help of SVC i.e. static variable compensator. SVC uses TSC (Thyristor Switched Capacitors) based on shunt compensation that is controlled from a programmed microcontroller. Initially, power factor compensation was achieved using rotating machines like switched capacitor banks or a condenser that usually gets damaged quickly, hence the project uses TSC for compensation. The mechanism of shunt capacitive compensation is applied to improve the power factor. By connecting an inductive load across transmission line lags the power factor due to lagging load current. Hence to compensate this shunt capacitor is used which draws leading source voltage current thus improves power factor. The project requires an operational amplifier that generates lead time between zero voltage pulse and zero current pulse. This lead time is given to two interrupt pins of microcontroller of 8051 family. SCRs are arranged in series and interfaced with microcontroller that actuates optical isolators in bringing shunt capacitors into load circuit till power factor reaches unity. |
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Hardware Specifications
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Software Specifications
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Block Diagram
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