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发明授权
CN1993879B 能够可靠驱动电机的电机驱动装置 失效 - 权利终止

能够可靠驱动电机的电机驱动装置
摘要：
DC/DC转换器(20)在没有系统继电器(SR1、SR2)插入其间的情况下直接连接到主电池(MB)。DC/DC转换器(20)将从高压主电池(MB)供应的电能的电压降压并接着供应到辅助电池(SB)。DC/DC转换器控制电路(30)接收来自主电池(MB)的电能的供应，以控制DC/DC转换器(20)的降压操作。即使当辅助电池(SB)失效时，DC/DC转换器(20)也可响应于从利用主电池(MB)作为其电源的DC/DC转换器控制电路(30)输出的控制信号，来执行升压操作，从而迅速地对辅助电池(SB)充电。
摘要（英）：

A DC/DC converter (20) is connected directly to a main battery (MB) with no system relays (SR1,SR2) intervening therebetween. The DC/DC converter (20) drops and then supplies the voltage of a power supplied from the high voltage main battery (MB) to a subsidiary battery (SB). A DC/DC converter control circuit (30) receives a supply of the power from the main battery (MB) to control the dropping operation of the DC/DC converter (20). Even when the subsidiary battery (SB) goes dead, the DC/DC converter (20) is responsive to a control signal outputted from the DC/DC converter control circuit (30)using, as its power supply, the main battery (MB), to perform a boosting operation, thereby quickly charging the subsidiary battery (SB).

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