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METHOD FOR FEEDING IN ELECTRICAL POWER BY MEANS OF A WIND POWER INSTALLATION
METHOD FOR FEEDING IN ELECTRICAL POWER BY MEANS OF A WIND POWER INSTALLATION
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机译:通过风电装置馈送电力的方法
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摘要
A method for feeding electrical power into an electrical supply network using an inverter-controlled infeed unit is provided. The infeed unit has an inverter arrangement with a plurality of inverters to generate an output power and feed same into the network. Each inverter has an associated isolating switch to galvanically isolate the respective inverter from the network. Each inverter has a circuit composed of switches to generate an output current using pulsed actuation. Each inverter generates a variable partial power, and the output power is a sum of all partial powers. Depending on the output power, one or more of the inverters are operated as active inverters that respectively generates a partial power. The other inverters are operated as passive inverters that do not generate a partial power. One or more of the passive inverters are operated as blocked inverters and remain galvanically connected to the network.
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