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发明授权
CN108120893B 短路故障检测设备 有权

短路故障检测设备
摘要：
本发明涉及短路故障检测设备。所述短路故障检测设备检测升降压型DC‑DC转换器中的短路故障，所述升降压型DC‑DC转换器采用太阳能电池的发电电力作为输入并且向蓄电器输出预定电压。DC‑DC转换器包括升压用上臂、升压用下臂、降压用上臂、以及降压用下臂。短路故障检测设备包括：电压检测单元，用于检测从太阳能电池输出到DC‑DC转换器的电压；电流检测单元，用于检测从DC‑DC转换器输出到蓄电器的电流；以及控制器，该控制器被配置为对构成DC‑DC转换器的开关元件进行控制以基于即为电压检测单元的检测值的检测电压值以及即为电流检测单元的检测值的检测电流值来确定DC‑DC转换器的每个臂是否具有短路故障。
摘要（英）：

A short-circuit fault detection device detects a short-circuit fault in a step-up and step-down DC-DC converter that takes generated power of a solar cell as an input and outputs a predetermined voltage to a power storage. The DC-DC converter includes a step-up upper arm, a step-up lower arm, a step-down upper arm, and a step-down lower arm. The short-circuit fault detection device includes a voltage detection unit detecting a voltage output to the DC-DC converter from the solar cell, a current detection unit detecting a current output to the power storage from the DC-DC converter, and a controller controlling switching elements constituting the DC-DC converter to determine whether each arm of the DC-DC converter has a short-circuit fault based on a detected voltage value that is a detected value of the voltage detection unit, and a detected current value that is a detected value of the current detection unit.

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