单词 | overvoltage crowbar |
释义 | overvoltage crowbar [¦ō·vǝr¦vōl·tij `krō´bär] ELECTRICITY A circuit that monitors the output of a power supply and prevents the output voltage from exceeding a preset voltage, under any failure condition, by having a low resistance (crowbar) placed across the output terminals when an overvoltage occurs. |
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