Analysis and test of speed controller circuit of certain electric bicycle is performed to find out the reason for a frequent burn-out of power FET of the original controller during working.
通过对某种型号电动自行车调速控制器的剖析及试验，找出了原控制器使用过程中频繁烧坏功率场效应管的原因，研制出了一种改进型控制器电路，从根本上解决了原电路存在的问题。
Analysis and test of speed controller circuit of certain electric bicycle is performed to find out the reason for a frequent burn-out of power FET of the original controller during working.
通过对某种调速控制器的剖析及试验，找出了原控制器使用过程中频繁烧坏功率场效应管的原因，斫制出了一种改进型控制器电路，从根本上解决了原电路存在的问题。
Analysis and test of speed controller circuit of certain electric bicycle is performed to find out the reason for a frequent burn-out of power FET of the original controller during working.
通过对某种调速控制器的剖析及试验，找出了原控制器使用过程中频繁烧坏功率场效应管的原因，斫制出了一种改进型控制器电路，从根本上解决了原电路存在的问题。
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