How many kilowatts should I buy for a home generator?

Introduction How many kilowatts should I buy for a home generator? For home generators, you can usually choose a small generator. You can buy it according to the appliances in the house.

How many kilowatts should I buy for a home generator?

For home generators, you can usually choose a small generator. You can buy it according to your household appliances. Small generators include gasoline generators and diesel generators. Power options are: 3KW 5KW 5.5KW 6KW 7KW. 8KW 9KW 10KW, etc. Generally speaking, a 5KW unit can be used during a power outage. If there are many appliances, a larger unit can be purchased depending on the situation.

I want to install a micro-hydraulic generator. The water height is about 50 meters high. The flow rate was not measured. How many generator watts are needed to use air conditioning? The flow rate is...< /h3>

The weight of the 8 kW three-phase all-copper generator is 90 kg. According to the relevant information query, the rated power of 8kW three-phase all-copper generator is 8kW, the powerstandby is 8.2 kW, the rated frequency is 50 Hz, and the overall size is 700 × 530 × 540 mm.

Pure, non-professional physical calculation.

Based on 2.5 kilowatts of cabinet air conditioner:

mgh=2500

mg=2500/50=50kg/s

< p>Also In other words, if all the gravitational potential energy of the water is converted into 220 volts of electrical energy, the flow rate must be 50 liters/second.

In fact, the efficiency of this type of micro-hydraulic power generation unit may not reach 40%, and the undervoltage operation of the air conditioner can easily burn the compressor, the input power must therefore have a margin, then:

The required flow rate is at least (50/0.4)/0.8=156 liters/second

The above only provides ideas, the data cannot be used! This can be tried as a hobby and makes little business sense.

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