Based on operation parameters of a three phase induction motor at duty type S1, this paper deduces the thermal state of this motor with constant output at duty type S7.
主要介绍一种依据一台三相异步电动机在S1工作制下的运行参数推断该台异步电动机容量不变时在S7工作制下发热情况的方法。
This paper presents the structure and main design parameters of thermal insulation heavy duty tanker for bitumen transport, as well as the design and test of thermal insulation layer of the tank.
本文介绍了大吨位沥青运输保温罐车的结构型式、主要参数及罐体的保温层设计与试验。
The system is made up of semiconductor cooler (TEC, thermal electrical cooler) which is controlled by a PC with PID arithmetic. And use the duty ratio of PWM to control the output power of TEC.
该系统使用PC机作为控制平台，采用自整定PID算法，调节输出pwm波的占空比来控制半导体制冷器的输出功率。
The system is made up of semiconductor cooler (TEC, thermal electrical cooler) which is controlled by a PC with PID arithmetic. And use the duty ratio of PWM to control the output power of TEC.
该系统使用PC机作为控制平台，采用自整定PID算法，调节输出pwm波的占空比来控制半导体制冷器的输出功率。
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