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Hydrogen feed pump motor space heater

2018-01-24View Original

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Must the motor space heater be turned off before starting the hydrogen feed pump? What is the typical temperature control for space heaters in motors? What is the purpose of designing a motor heater? I earnestly ask for your guidance
Reply #22018-01-24
Must the motor space heater be turned off before starting the hydrogen feed pump? It should be disconnected; before reaching the rated speed, the motor windings generate a lot of heat~~~ What is the typical temperature control setting for the space heater in motors? At least 20~30° above the local air dew point temperature~~(checking the standards). What is the purpose of a motor heater in design? The function of a space heater is to prevent the motor’s internal windings from losing their insulation due to moisture when the motor isn’t in use for long periods of time. It also serves to prevent the motor from starting in extremely cold conditions (especially in areas with low temperatures).
Reply #32018-01-25
Just in terms of the motor’s control circuit, the space heater operates in the shutdown state, and it is powered off after startup.

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