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Analysis Of Voltage And Current Requirements For Stainless Steel Submersible Pumps

Views: 30     Author: Site Editor     Publish Time: 2020-12-02      Origin: Site

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Now there are more and more manufacturers producing submersible pumps, and the production technology has also been greatly improved. Submersible pumps are widely used, and the market demand is large. Among them, stainless steel submersible pumps are more popular, because stainless steel has good performance, corrosion resistance, green environmental protection, and long service life. Submersible pumps are favored by many users.


  • Analysis of voltage and current requirements for stainless steel submersible pumps

  • Stainless steel submersible pump

  • All stainless steel submersible pump current


In the process of using stainless steel submersible pumps, we often encounter the situation that the equipment is burned out. At this time, not only will our work progress be delayed, but if we do not find out the reason in time, the equipment will be frequently damaged, which is very important to us.  It's very bad for our work

So what are the reasons for this phenomenon :

1. The ground wire is connected to the wrong power supply. There are four cores in the cable of the stainless steel submersible pump. Be careful not to misconnect the ground wire as a power wire.

2. The mechanical seal of the stainless steel submersible pump is damaged and leaks. Always use a megohmmeter to check the insulation resistance of the stainless steel submersible pump, and take timely maintenance measures when the insulation resistance decreases, so that the motor will not burn out.

3. Water enters after the cable is damaged. Always check the insulation resistance of the stainless steel submersible pump.

4. The impeller is stuck. When the impeller is stuck and cannot rotate, the current will increase more than the rated value. After a long time, the stator winding of the stainless steel submersible pump will burn out soon.

5. The two ends of the stator winding touch the shell, and the winding breaks down to the ground.

6. The stainless steel submersible pump "starts" and "stops" too frequently.

7. The dehydration operation time of the stainless steel submersible pump is too long. The dehydration operation time of the stainless steel submersible pump can only be about 1 minute. Over time, the temperature of the electric pump will rise due to poor heat dissipation.

8. Work without phase. When the phase is lacking, the stainless steel submersible pump is generally in a braking state, and the current is much larger than the rated value. At this time, the temperature of the stainless steel submersible pump windings rises. After a long time, the stator windings will be burned out.


The stainless steel submersible pump is a device immersed in water, and many details should be paid attention to during operation to avoid water intrusion and damage to the equipment. Simple leakage causes power loss and even causes electric shock accidents. If a leakage protector is installed, as long as the leakage value of the submersible pump exceeds the operating current value of the leakage protector, the leakage protector will cut off the power supply of the submersible pump. The voltage and current requirements of the stainless steel submersible pump are very high. If it is lower than the rated voltage by 10%, higher than the rated voltage by more than 10%, or the current is greater than 20% of the rated current of the submersible pump, it needs to be shut down immediately to avoid damage to the equipment. 


Therefore, the operation of the submersible pump should pay attention to the current and voltage. If it does not meet the requirements, it cannot be operated.



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