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August 12, 2017 18:06

How to choose a generator to give

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Modern technology allows you to create in the country the same conditions as in a city apartment.Pumps, boilers, appliances - all terms of comfort.And all of them are useless during a power outage.

supply in remote areas, as a rule, belong to the category of consumers 2, and undervoltage restoration work can be carried out for several hours, or even days.All the while, the cottagers have to sit by candlelight, without water and heating.The solution to this problem - the generator for the garden.

How to choose a generator to give

How to choose a generator to give

generators Types

Household generators can be divided by type of fuel on:

  • petrol;
  • diesel;
  • gas.

principle of operation is simple: the unit is installed in an internal combustion engine, for transmitting rotation of the generator rotor, and as a result of induced emf in the stator.However, to select the generator to understand how it works is not required.But to deal with the power of a must.

power generator Selecting

To start, you need to make a list of electrical appliances, which should work to ensure the generator.This lighting, home appliances, as well as all the facilities to ensure the functioning of the house systems: pumps, heaters and boilers.The power of all the equipment, which can operate simultaneously, is summed up.

power heating appliances with a resistive load, such as a kettle, convector, iron, available in the passport to the device.To calculate the power of devices that are a part of motors and capacitors, it is necessary to divide the declared power at cos φ - both of these characteristics are listed in the documentation or on the nameplate on the device, and the result is multiplied by three - factor considering starting currents.If the value of the power due to inrush currents get too large, it makes sense to buy a generator with starting amplification.

resulting total power - one of the main characteristics for which the choice of the generator to testify.Keep in mind that the most economical mode of operation is a generator with a load of about 80% of the nominal.No need to buy too powerful generator if you do not use powerful electrical appliances and tools all the time.

If your house is connected to three-phase power supply, household single phase generator you will not want or need to make a backup circuit with single-phase generator, which provides job only needed to maintain the comfort of electrical appliances and devices.

generator type selection

fuel type, and hence the type of generator depends on its mode of operation.If the cottage is not connected to power grids, and the generator is used continuously, it makes sense to buy a more expensive diesel generator, and if the house is connected to the pipeline, then the gas.To provide electricity to the house for short periods of time, related to the power outage, it is better to opt for petrol - it is cheaper, smaller and easier to manage.

Advantages and disadvantages of different types of generators:

  • Petrol price are low, and inverter generators are also economical in fuel consumption.Petrol are two- and four-stroke.Two-stroke lightweight and compact, but the capacity does not exceed 1 kW, and they are only suitable for illumination cottages and connecting low power devices.Four have a capacity of up to 15 kW, and are able to provide the necessary power dacha.But their larger dimensions, higher consumption.Petrol easy to operate, but it does not have a high efficiency, besides gasoline - quite expensive fuel.
Petrol

Petrol

  • Diesel generators run on diesel fuel.They are usually used for the continuous provision of electricity to testify because of the possibility of continuous operation without refueling, great efficiency, durability and reliability.The disadvantages are large size and high price.
Diesel generator

diesel generator

  • Gas generators - a relatively new trend, with the cheapest and most environmentally friendly fuel, minimal noise and very high efficiency.But they need to be connected to the gas that is not available to all cottagers.
Gas generator

gas generator

determine the type and capacity of the generator, you need to decide on additional functions.

running time without refueling and switching mode

These functions are important if you live in the country for a long time, or leaving, leave appliances included.Agree, it is unpleasant to come to the country and find that you have all the rotten food in the refrigerator or frozen heating system due to the fact that there was no automatic generator start or did not have enough fuel on-off time from the network.

operating time without refueling, as already mentioned, it depends on the type of generator.Leader considered by runtime gas generator connected to the tank volume of 50 liters or natural gas network.Time of continuous operation of petrol or diesel indicated in its documentation.

start method is manual, semi-automatic and automatic.Manual start by using the starting cord, like a chainsaw.Semi - by pressing the button on the generator housing.Both types of start-up requires your presence.Automatic start-up is an undervoltage through ABP scheme (automatic transfer switch), and your participation in the start-up is not required.Mount scheme ABP own without special knowledge would be difficult.It is better to entrust it to professionals.

generators are not designed to work in parallel with the mains, so the self-installation is required to eliminate the possibility of simultaneous switching on the power from the generator and from the network.This can be done via DIP switch.Do not operate the generator at full load, connect powerful devices gradually.

Noise

Diesel and gasoline generators are quite noisy, and their use near residential areas can make discomfort.Therefore, when you buy be sure to pay attention to the noise level, declared by the manufacturer - it should not exceed 74 dB at a distance of 7 meters from the generator.

noise level depends on the performance of the body and of the speed at which the generator is running.Generators slow-speed (1500 rev / min) produce less noise than generators speed 3000 rev / min, but their price is higher.

Some models are also equipped with generators of different locks, indicators and hour meter.The price of the generator with an increase in its functionality grows.Therefore, when choosing you must find value and opportunity that is right for your environment, and power outages are not afraid of you.

Also we advise to read about the VM ground in the country with their own hands and an electric kettle for a bath.

Video - how to choose a generator to give

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