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正确启动离心风机的方式是什么

2018-08-19 10:43:05 常州亿创能源科技有限公司 阅读

只有给离心风机选择了恰当的启动方式,才能够确保离心风机的使用效果不会受到电动机故障的影响,电动机的启动方式主要有常见的全压启动和降压启动,不同的方式达到的效果不同,需要用户维护的方法也自然会有一定的区别,那怎样才能为离心风机选择恰当的启动方式呢?

     不同的启动方式有着不同的运行状况,但应注意,全压起动时的电流约为5至7倍的额定电流,降压起动转矩与电压平方成正比,当电网容量不足时,应采用降压起动。因此在这里建议调试人员,各种启动方式都要尝试一下,这样发现的问题会更多一点,对将来离心风机的使用也有很多的好处。在调试前一定要认真的阅读产品说明书,检查接线方法是否同接线图相符;应认真检查供给电源的工作电压是不是符合要求,电源是否缺相或同相位,所配电器元件的容量是否符合要求。双速离心离心风机试车时,应先起动低速,检查旋转方向是否正确;起动高速时必须待离心风机静止后再启动,以防高速反向旋转,引起开关跳闸及电机受损。离心风机达到正常转速时,应测量离心风机输入电流是否正常,离心风机的运行电流不能超过其额定电流。若运行电流超过其额定电流,应检查供给的电压是否正常。

     这些都是离心风机在使用中对电动机实际工作状况的要求,只有这样我们才可以让离心风机充分的发挥作用,而不会因为电动机的问题导致离心风机失去使用价值和效果,那对于电动机经常会遇到的一些故障,我们一定要做好维护的策略,以应对不时之需。

Only when the centrifugal fan is chosen properly, it can ensure that the use effect of the centrifugal fan will not be affected by the motor failure. The starting mode of the motor mainly has the common full pressure start and the step-down start, the effect is different in different ways, and the methods that need to be maintained by the user will also have some certain. How can we choose the right starting mode for centrifugal fans?

Different starting methods have different operating conditions, but it should be noted that the current of the full pressure starting is about 5 to 7 times the rated current, and the starting torque is proportional to the square of the voltage. When the capacity of the power grid is insufficient, it should be started by step-down. Therefore, it is suggested that the debugger should try all kinds of starting methods here, so that the problems will be found more, and there are many advantages for the use of the centrifugal fan in the future. Before debugging, we must carefully read the product instructions and check whether the wiring method is in accordance with the wiring diagram; it should be carefully checked whether the supply voltage of the supply power is in conformity with the requirements, whether the power supply is missing or the same phase, and whether the capacity of the components of the electrical appliance is in conformity with the requirements. When the double speed centrifugal centrifugal fan is test, it should start the low speed first, check the rotation direction is correct; when the starting speed is high, the centrifugal fan must be restarted again after the centrifugal fan is still, in order to prevent the high speed reverse rotation and cause the switch trip and the motor damage. When the centrifugal fan reaches the normal speed, the input current of the centrifugal fan should be measured. The current of the centrifugal fan should not exceed the rated current. If the running current exceeds its rated current, check whether the supply voltage is normal.

These are the requirements of the centrifugal fan in the use of the actual working condition of the motor, only in this way we can let the centrifugal fan fully play the role, and will not cause the centrifugal blower to lose the use value and effect because of the motor problem, that the motor often encountered some faults, we must do a good job. Maintain a strategy to cope with a rainy day.



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