How to choose the Electric Generator that you need?
When you need to buy an electric generator or a generating set for a caravan, a farm, a company or anywhere you need electricity and where you can turn on a gasoline motor, you first have to know some very important data:
1. List of Devices
Do a list of the tools, lights, machines and devices that you want to turn on at the same time with your electric generator, and note down the power consumption (watt continuous) of everyone of them.
You can use the following table:
| Device ||Power consumption (watt continuous) |
| Fluorescent Lamp || 35 |
| Light bulb of 100W || 100 |
|Vídeo Device || 100 |
| Refrigerator / Icebox (*) || 800 |
| Freezer (*) || 700 |
| Microwave Oven || 1500 |
| Coffee Maker || 1200 |
| Hairdryer (*) || 1500 |
| Radio || 200 |
| Color Television || 250 |
| Computer || 400 |
| Printer || 350 |
| Fax || 600 |
| Photocopier || 1600 |
| Bench Grinder(*) || 400 |
| Hedge Trimmer(*) || 500 |
| Circular Saw, from 25 to 40cm wheel diameter (*) || 1500 |
|Flash Light || 500 |
| Grinder of 30cm diameter || 2500 |
| Angle Grinder, of 10cm diameter (*) || 550 |
|Angle Grinder, of 12.5cm diameter (*) || 750 |
| Drill (*) || 700 |
| Thicknesser (*) || 700 |
| Circular Saw of 12.7cm diameter (*) || 1000 |
| Hand Sander (*) || 1020 |
| Circular Sander(*) || 450 |
| Floor Sander of 20cm diameter (*) || 2000 |
| Concrete Mixer(*) || 1320 |
| Hidrojet of 1Hp || 3500 |
| Compressor of 20 Hp (*) || 2200 |
If you want to connect other devices to your electric generator, take a look at their fact sheet or manual and note down the continuous power consumption (in Watts) indicated by the manufacturer.
2. Consumption for a Continuous Use
Do the sum of all the consumption powers of the devices and tools that you wrote down on your list to obtain the final continuous consumption power in Watts you will need.
3. Starting Consumption
Now calculate the additional watts you need to start the devices and tools of your list. Only consider the devices or tools with an induction motor. See the items marked with an asterisk (*) in the previous table.
This is a very important factor to consider when you calculate the minimum electrical power you need for your electric generator as induction motors need three-times more power to start (three-times more watts) than what they need to run in continuous.
To calculate the additional watts you need to start the motors, you can use the following table:
| Motor Power (Hp) ||Starting Electrical Consumption, for induction motors (watts) ||Electrical Consumption for Continuous Use (watts) |
|1/8 || 850 || 275|
| 1/6 || 85 || 275|
| 1/4 || 1050 || 400|
| 1/3 || 1350 || 450|
| 1/2 || 1800 || 600|
|3/4 || 2600 || 850|
|1 || 3300 || 1100|
| 2 || 6600 || 2200|
To use this table, take a look at the fact sheets or labels of the motors or devices of your list that have an induction motor and note down the power (HP) of everyone of them.
When you have your HP, go see this table and note down the watts you need to start the motors and the watts you need for a continuous use, and sum them.
4. Now sum the results of the points 2 and 3:
Total necessary watts = continuous use watts+ starting watts
5. If you want to calculate easily the consumptions you have to know exactly which electric generator or generating set you need you can use the power translation tables for electric generators that we show you above.
Advantages of our Electric Generators
5 Years of warranty for spare parts and 2 years for labor. Option of insitu warranty, home-delivery service door to door, set up option and filling of our electric generators before delivery.
EDITOR OF INTERNATIONAL POWER CONVERSION DEVELOPED BY TAIGÜER GENERADORES
The following calculations are provided to help you to establish the size you need for your electric generator. The other convertions of this page are for power convertions or maximum needed power for a basic instalation.
|Kilo Volt Ampere
|Kilo-Watts (1000 watts = 1 kW)
HOW MANY KW DOES MY ELECTRIC GENERATOR OR GENERATING SET HAVE
CONVERTER: HOW TO KNOW HOW MANY KVA I NEED FOR AN ELECTRICAL MACHINE THE DEFINE ITS POWER IN HP(CV)
CALCULATE THE AMPERAGE OF YOUR GENERATOR IN TWO STEPS: