Today, electrical equipment is literally stuffed with institutions and organizations, apartments and summer cottages, our houses. However, it can fail due to frequent power surges in the network. Buying a suitable voltage regulator can help you avoid getting into trouble. It will allow you to maintain the specified voltage in the network, protect electrical equipment from overvoltage, high-voltage impulses, supply voltage surges.
Instructions
Step 1
There are many different models of stabilizers. In order to choose the right voltage regulator, it is necessary to determine the sum of the capacities of all consumers that will simultaneously need to be supplied with electricity (W). The power of the stabilizer must exceed this figure by at least 30%.
We must also not forget that electric motors consume more energy at the moment of starting, their power becomes nominal during operation. When using asynchronous motors, compressors, noses, the power of the stabilizer should be 3-4 times higher than the power of consumers.
Step 2
Stabilizers are single-phase and three-phase. If you have a single-phase network, in addition, there are no devices that require three-phase connection, choose a single-phase stabilizer.
If the network is three-phase, this does not mean that it is necessary to choose a three-phase stabilizer. It is cheaper and more reliable to take three single-phase stabilizers. The fact is that if the voltage disappears in at least one of the phases, the three-phase stabilizer will turn off even single-phase equipment.
Step 3
It is also necessary to see how the power of the stabilizer decreases when the voltage in the network drops. Some manufacturers indicate the minimum power, others the nominal. It is better to take such a stabilizer, which has a 30-40% margin of the load power consumption. Thus, you will achieve its gentle mode of operation and create a power reserve for connecting new equipment.
To select the required voltage stabilization accuracy, it is necessary to determine the permissible voltage spread of the electrical equipment. So, to protect expensive equipment, high-precision stabilizers are needed with an accuracy of +/- 3 V. For simple devices, stabilizers with a stabilization accuracy of +/- 12 V.
