The unit can be started with the breaker or switch opened using the generator step-up transformer as a source of off-site power.

机组可在断路器或负荷开关打开时，采用发电机升压变压器作为一种非本电厂电源来起动。

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This paper has presented a module-cascaded system for multi-coil direct-drive permanent magnet wind generator system with high voltage output, eliminating the grid-side step-up transformer.

针对大容量风电机组的中压变换问题，本文研究一种基于多绕组发电机的模块化级联型变换器，通过模块单元级联实现中压输出，从而省去升压变压器。

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