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W is the power consumption in watts. For example, if the electric motor uses 50 amps at 240 volts, the wattage is 50 x 240 x 1.73, or 20,760 watts. Electricity costs are based on kilowatts (kW), so divide watts by 1000 to convert to kilowatts (20,760 wats/1000 = 20.76 kW). Record the time the motor is in operation.

## How many watts does a 2 hp electric motor use?

Approximate Running Wattage

Approximate Starting Wattage | Approximate Running Wattage | |
---|---|---|

Capacitor Start Induction Run 1 Horsepower | 3000 | 1000 |

Capacitor Start Induction Run 1 1/2Horsepower | 4200 | 1600 |

Capacitor Start Induction Run 2 Horsepower | 5100 |
2000 |

Capacitor Start Induction Run 3 Horsepower | 6800 | 3000 |

## How much power does a motor consume per hour?

Electrical Input Power = (Output Power/Efficiency). Assuming 90% efficiency, Input Power = 0.746/0.9 = 0.83kW. So, the consumed units of electricity = Power in kW X numbers of hours of operation = **0.83 units** (assuming the motor is running for an hour).

## What is Watts in electric motor?

In most cases, the watt rating on an electric bike motor **describes how much energy the motor can handle (or consume) continuously**. This continuous watt rating is different from a peak watt rating that describes how much energy the motor can manage (or, again consume) for short periods of time.

## How many kW is a 5hp motor?

Since one electric horsepower is equal to **0.746 kilowatts**, the formula to find kilowatts is to multiply electric horsepower by 0.746. For example, here’s how to convert 5 electric horsepower to kilowatts using the formula.

## How many watts does a 10 hp electric motor use?

Subject: RE: How many kilowatts /hour does 10 HP fan take? **746 watts per Hp** but, rule of thumb figure 1KW per Hp to allow for efficiency losses. So 10 KWH would run a 10 Hp motor for 1 hour.

## How many watts is an electric fan?

Do Fans Use a Lot of Electricity? Running a fan takes a lot less electricity than running an air conditioner; ceiling fans average at about 15-90 watts of energy used, and tower fans use about **100 watts**.

## How is motor wattage calculated?

By taking the voltage and multiplying it by the associated current, the power can be determined. A watt (W) is a unit of power defined as one Joule per second. For a DC source the calculation is simply the voltage times the current: **W = V x A.**

## How much power does a 100 hp motor use?

Data Logger information imported into a spreadsheet for analysis. This 100-horsepower centrifugal pump motor, if fully loaded, should be consuming nearly **80,000 watts (80 kW)**.

## How is motor power calculated?

**Power = (Force x Distance) / Time**

For electric motors, power or horsepower can be calculated from the torque and speed. For example, if you have a motor rated for 3,000 RPM and 6 in-lbf then the horsepower is calculated below.

## Is 350 watts enough for an ebike?

If you want to ride along a bike path and not pass by pedestrians or other cyclists without drawing attention to yourself with a loud motor, **350 watts is a good choice**. More powerful motors can be quiet too, but vary by manufacturer.

## How fast can a 350 watt motor go?

The 350W and 500W versions are rated as Class 3, meaning they could achieve a top speed of **28 mph**.