Device suitable for adjusting temperature change of PLC (Programmable Logic Controller) under working condition of air conditioner of urban railway vehicle
The utility model relates to a device suitable for adjusting temperature change of a PLC (Programmable Logic Controller) under the working condition of an air conditioner of an urban railway vehicle. The device comprises a resistance adjusting module, a current adjusting module and a power supply mo...
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Format: | Patent |
Sprache: | chi ; eng |
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