Harmonics Reduction and Balanced Transition in Hybrid Renewable Energy Sources in a Micro Grid Power System

Microgrids of varying sizes and applications are regarded as a key feature of modernizing the power system.With modern technologies, sources of renewable energy are paving the way in microgrid power systems through various converter topologies.However, distortion is caused by harmonics in an electrical system for which many strategies aimed to reduce harmonics in the power system, but they failed to detect harmonics induced by high impedance defects.Also, the occurrence of distortion in power and current discrepancy leads to stability issues of the converter.Hence this research addresses these problems through a novel Harmonic Response Technique using a Packet wavelet transform based high impedance fault diagnosis which determines the distorted current waveforms leading to harmonic energy levels.Furthermore, to minimize the fault current distortion, a Feedback controlled fault current limiting Converter is employed which regulates the system by utilizing a shunt active power filter in a fault current limiter.Moreover, power discrepancy in transition is balanced by accepting a novel Balanced Phase Transition Technique which determines the energy consumption over the current demand period using reactive power & a load factor of the converter using triangular functions which ensure a balanced load phase angle and helps in a smooth transition between phases.Thus the adopted techniques are simulated in the Simulink platform and the consequences depicted a good level of effectiveness in response, balance, and control of the suggested system

Electrical engineering · Grid · Harmonics · Physics · Power grid · Renewable energy · Thermodynamics · Voltage · Computer Science · Engineering · Mathematics · Microgrid Control and Optimization · Power Systems and Renewable Energy · Smart Grid Energy Management

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