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An emergency power supply (EPS) using an induction generator with a fly-wheel energy storage is investigated. Two different exciting system for the wounded rotor winding have been investigated. The principles of the operation and experimental results are shown. The results of start-up and steady state condition indicate that the inverter rating of the doubly fed induction generator is reduced fairly.
This paper shows the simulation results about the reduction of the current peak of PFC converter connected to voltage source converter excited induction generator for wind power generation. This is one of the investigations of new combination of the induction generator for wind power and the power electronic equipments. Induction generator is popularly used for the wind power generation. The disadvantage...
This paper shows a new induction generation system for wind power generation. This system has the voltage source converter exciting induction generator and the PFC converter to transfer the real power. This configuration enables asynchronous link and maximum power tracking for the cage rotor induction generator. Usually two full rating inverter sets are necessary to construct the asynchronous link...
This paper investigates the new wind power generation system, which uses the diode rectifier to convert the real power from the induction generator to the intermediate DC voltage, and the inverter to supply the reactive power necessary to excite the induction generator. This scheme is expected to reduce the system cost. Control scheme and soft start strategy are verified by the simulation.
This paper shows new induction generation system for wind power generation. This system has the voltage source converter (VSC) exciting induction generator and the PFC converter to transfer the real power. Rated power of the VSC is minimized by transferring all the real power into the PFC converter. However, the harmonic components in the current from the VSC has larger peak than expected for the...
This paper shows new induction generation system for wind power generation. This system has inverter excited induction generator and the PFC converter to transfer the real power. Simulation and experimental results certifies that the DC/DC chopper control of the PFC converter can minimize the inverter current, which only supplies exciting current for the induction generator. It is also shown that...
This paper investigates advantages of new combination of the induction generator for wind power and the power electronic equipments. Induction generator is popularly used for the wind power generation. The disadvantage of it is impossible to generate power at the lower rotor speed than the synchronous speed. To compensate this disadvantage, expensive synchronous generator with the permanent magnets...
This paper investigated the reactive power increase when the cage rotor induction machine is connected to the utility system through the full rating VSC link system. The calculation using equivalent circuit indicates that the increase in the reactive power consumption may be suppressed by the decrease in the reactive power consumption of the secondary circuit. The combination of the cage rotor induction...
An emergency power supply (EPS) using an induction generator with a fly-wheel energy storage is investigated. Two different exciting systems for the wounded rotor winding have been investigated. The principles of the operation and experimental results are shown. The results of start-up and steady state condition indicate that the inverter rating is reduced fairly.
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