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Do you know how to calculate the power and power consumption?

Do you know how to calculate the power and power consumption?

  • Categories:Company News
  • Author:
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  • Time of issue:2019-05-28
  • Views:3

(Summary description)We know the flow rate (m3/h) and head (m) for deep well submersible pump we need, how do we calculate the required power for the submersible pump?

Do you know how to calculate the power and power consumption?

(Summary description)We know the flow rate (m3/h) and head (m) for deep well submersible pump we need, how do we calculate the required power for the submersible pump?

  • Categories:Company News
  • Author:
  • Origin:
  • Time of issue:2019-05-28
  • Views:3
Information

We know the flow rate (m3/h) and head (m) for deep well submersible pump we need, how do we calculate the required power for the submersible pump?

N = flow * head / (3.6 * 102 * efficiency) = flow * head / (367.2 * efficiency).

If we don't know the pump efficiency, then the rough algorithm is:

N=Flow*Head/257*1.2

In principle, according to the calculated data, it is not big. For example, if you calculate 5.8KW, you can't calculate it according to 5.5KW, you have to use 7.5KW.

The power consumption for the motor of the deep well submersible pump, is how much power is taken every hour. Many customers think that how many kW pumps are going to take same kw electricity. For example, 15KW motor consume 15 kW per hour. This is a misunderstanding.

Pump power consumption = power / efficiency.

If you don't know the pump efficiency, the rough algorithm is: power / 0.8.

At the same time, the actual power consumption is also related to the use conditions of the pump and the use environment:

1. If the actual use of the head is different from the specified head range of the pump, the current will be higher and the power consumption will increase.
2. If the voltage is low or high, it will cause large current and increase power consumption.
3, the line leakage, low insulation, will also cause large current, power consumption increased.
4. Wear parts such as water pump bearings are not replaced in time, which will cause large current and increased power consumption.

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