The specific control requirements of 10 kV belt conveyor are summarized;and the working principle and main technical parameters of 10 kV soft starter are elaborated.The practi-cal application shows,the high-voltage soft starter of QJGR-400/10 type meets the control re-quirements of starting up and running of high-voltage,high-power belt conveyor,and shows a good application prospect of the high-voltage soft starter.%总结了10 kV 带式输送机的具体控制要求,阐述了10 kV 软启动器的工作原理及主要技术参数。通过实际应用表明,QJGR－400/10高压软启动器具备高压、大功率带式输送机启动和运行所需的控制要求,展示了高压软启动器良好的应用前景。
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