Primary isolation power supply module for on-vehicle electronic equipment of railway locomotive
A technology for on-board electronics and railway locomotives, which is applied in the fields of electrical equipment structural parts, high-efficiency power electronic conversion, and conversion equipment structural parts, etc. The effect of thermal conductivity
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[0031] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0032] A primary isolation power supply module for on-board electronic equipment of a railway locomotive. The DC110V power supply of the railway locomotive passes through the input interface of the module, and after the internal circuit of the module undergoes voltage stabilization and isolation transformation, it outputs through the output interface, so as to realize the wide input voltage range and ultra-wide range of the DC110VDC power supply of the railway locomotive. Operating temperature range, high efficiency voltage regulation and low electromagnetic interference (EMI) isolated conversion.
[0033] The principle of quasi-resonant conversion is to reduce the switching loss of the switching tube in the topology. The NCP1337 control chip is used to achieve high-efficiency performance in both standby and working modes. In standby...
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