The experimental results show that the soft starter is satisfactory for alternating-current electric motors.
实验结果表明，该起动器是交流电动机比较理想的软起动器。
The paper analyses the operating principle of the soft starter and gives a design thought on the soft starter.
本文分析了交流软起动器的工作原理，给出了软起动器的设计思路。
The working principle, start characteristic and application of the soft starter of high voltage thermal resistor are presented.
介绍了高压热变电阻软起动装置的工作原理、起动特性及应用。
Changing the way of motor starting, demounting off the original starting devices, using the soft starter to start the air-compressor;
改变电机启动方式，甩掉了原启动装置，采用软启动器启动空气压缩机；
The results show that the soft starter could start up smoothly and reliably, and the starting current of the asynchronous motor is controlled.
结果表明，该软起动器在软起动过程中，限制了电动机的起动电流，实现了电动机的平稳起动。
Finally, using the equipments of the laboratory, a series of debugging for the soft starter was carried out. The experimental waveforms and data are analyzed.
最后利用本实验室现有的条件，对本文设计的软起动器进行了一系列的调试工作，并对实验波形和实验数据进行了分析。
The principle of the soft starter is reducing the voltage applied to the stator of the induction motor by control the triggering angle of the thyristors in order to limit the starting current surge.
本文研究了三相感应电动机软起动器，主电路由三组反并联的晶闸管构成。通过控制晶闸管的触发角，可降低三相感应电动机定子电压，从而达到抑制起动电流冲击的目的。
It also introduces the working principle of the SCR adjusting voltage circuit and the starter's main circuit, the hardware structure and functions of the soft starter and the software program design.
阐述了晶闸管调压电路及软起动器主电路的工作原理、软起动器的硬件结构和功能以及软件设计。
It also introduces the working principle of the SCR adjusting voltage circuit and the starter's main circuit, the hardware structure and functions of the soft starter and the software program design.
阐述了晶闸管调压电路及软起动器主电路的工作原理、软起动器的硬件结构和功能以及软件设计。
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