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Static changing device for drive-brake operation of variable speed asynchronous motors fed by a current converter.
Static changing device for drive-brake operation of variable speed asynchronous motors fed by a current converter.
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机译:静态改变装置,用于由电流转换器供电的变速异步电动机的驱动制动操作。
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摘要
A thyristor (TR) is used to switch over between traction and braking states. Rather than supply a special extinction circuit for the switch-over thyristor, it is connected to make use of the extinction circuit already provided in the chopper circuit (H).
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