This paper presents a control strategy for fuel cell/energy storage power generation system during voltage sag conditions. The hybrid DC power sources are connected to grid using power electronic converters include DC-DC converter and grid connected voltage source inverter. The power from hybrid power sources is controlled during voltage sag by designing of control strategy for DC-DC converter....

The design of a power buffer to mitigate the negative impact of constant power loads on voltage stability as well as enhancing ride-through capability for the loads during upstream voltage disturbances is examined. The power buffer adjusts its front-end converter control so that the buffer-load combination would appear as a constant impedance load to the upstream supply system when depressed vo...

Permanent-magnet synchronous generator (PMSG) are used widely in wind turbine applications. The performance analysis of PMSG can be enhanced by adopting a number control mechanisms with the benefit advanced optimization techniques. Renewable energy is harnessed from continuously replenishing natural processes. Some commonly known sunlight, water, wind, tides, geothermal heat and various forms b...