After the centrifugal fan is started, the current is high and the flow rate does not reach the required level

2015-07-23View Original

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I’ve been testing a fan recently: it’s 55KW, operates at 2900RPM, and its designed flow rate is 24000 m3/hr. When the inlet and outlet valves are closed, the current during startup is around 68A. However, even after adjusting the inlet and outlet valves, the current remains high, reaching 93A, which is the rated current. Do anyone have any good suggestions?

Reply #22015-07-23

The current of the inlet and outlet valves remains very high. Try reducing it further and see by lowering the load

Reply #32015-07-23

After adjusting the inlet and outlet valves, the current level decreased, but it still did not reach the required process parameters

Reply #42015-07-23

Try opening the inlet valve fully and using the outlet valve to regulate the flow.

Reply #52015-07-24

Open the outlet valve fully, and try adjusting the flow rate using the inlet valve.

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After the centrifugal fan is started, the current is high and the flow rate does not reach the required level

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