What size generator do I need for a 50 hp motor?

How much power does a 50 hp electric motor use?

To get 50 HP, you need to divide the output by the efficiency to get the energy required to be input into the motor. In order to get the 50 HP output, 37,300 Watts must be input to the motor.

What size generator do I need for a hp motor?

The next item to look at for generator sizing is the volt-amperes (wattage) requirement of electric motor to be operated (e.g., furnace blower motor 1/3 HP), remembering that the starting requires 2 to 3* times the nameplate or running (rated) watts.

What size generator do I need to run a 2.2 kW motor?

So for example:

Single phase 2.2Kw motor : therefore the Generator will need to be 8.8kVA.

How many watts does a motor use?

Calculate the power the motor consumes while in operation. The equation is W = AV(sqrt 3) where A is amperes, V is volts, and sqrt 3 is the square root of 33 (about 1.73). 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.

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How many amps does a 5.5 kW motor draw?

Three Phase Motors

4.0 kW 5.5 16
5.5 kW 7.5 20
7.5 kW 10 27
9.3 kW 12.5 34

What size generator do I need to run a 30kW motor?

Rule of Thumb

Electric Motor Size Minimum Generator Req’d (KVA) by Starting Method
HP KW S.D to KVA Size (Note 2)
40 30 80
50 37 100
60 45 120

How much horsepower does it take to run a 20kW generator?

The 36 horsepower, 999cc engine runs on LP gas to produce 20kW of power, or on natural gas to produce 18kW of power.

What size generator do I need to power my whole house?

How Big of a Generator Do I Need to Run the Whole House? You can run the most critical household equipment with a generator rated at 5,000 to 7,500 watts. These include things like a well pump, refrigerator and freezer, and lighting circuits.

What size generator do I need to run a 5 hp motor?

A true 5 hp on 220 volts would require 28 amps to run on 220 or 6160 watts so at a minimum I would think 20,000 watt generator.

How many amps will a 60 kW generator produce?


kVA kW 240
56 45 135.5
63 50 150.5
69 55 165.6
75 60 180.6

How big of a generator do I need for a 3000 sq ft house?

A 3,000-square-foot house with two central air conditioners, an electric range, and a whirlpool tub might require as much as 25kW to 30kW. A newer option is a “load-management system,” a generator that can power everything in your house, just not all at once.

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What can a 2.2 kVA generator power?

Radiant Heater

  • Incandescent Light Bulb – 60 watts.
  • Refrigerator/Freezer – 700 watts.
  • Microwave – 800 watts.
  • Toaster – 850 watts.
  • Coffee Maker – 800 watts.
  • Dishwasher – 300 watts.
  • Electric stove – 1,500 watts.
  • Small AC unit – 1,200 watts.

Will a 20kW generator run my house?

A 20kW generator will run most house receptacles, lights, and up to a 5-ton central air conditioner. … You have a second air conditioner and heating system for the upstairs, but this area of the home is not important to you while operating on generator power.

WHAT CAN 3.5 kVA generator carry?

This is one of the very good 3.5KVA generators obtainable in the market. It can comfortably power heavy appliances in the home such as a large sized freezer, air conditioners etc. It is able to do this as a result of the optimized alternator design it features.