Any LED system should be able to appropriately track overvoltage, undervoltage, short circuit, open circuit, and thermal runaway conditions.

任何LED系统都应当能够适度跟踪过高、欠压、短路、开路和热逃逸等问题。

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In addition, startup protection circuit and overvoltage protection circuit is also designed, which raise stability of power device IGBT further, thus strengthen the ability to deal with trouble.

另外，设计了启动保护电路和过压保护电路，保护电路进一步提高了功率器件IGBT工作的稳定性，从而增强了处理故障的能力。

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Interrupting no load transformer is the most serious case in vacuum circuit breaker switching overvoltage.

切除空载变压器是真空断路器操作过电压问题最严重的情况。

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