An essential equipment to prevent some serious damage to computers, televisions, refrigerators, air conditioners and various other electrical appliances and to ensure the safety of its owners is the Stabilizer. If you have fluctuating voltage get this to protect your important appliances and it really does not cost much compared to the damage that can happen without it. Also, nowadays brands like Vguard, Godrej Voltz, Whirlpool Duromax, Premier, Everest, Magno provide you the quality and guarantee that come with them.
The main function of a Stabilizer is to make the network electric voltage that powers the appliance equal to the network that is supported by the equipment in question.
This means that with the use of a Stabilizer it is easier to ensure that fluctuations in the voltage of electric current are not felt by the computer and thus prevent greater damage to equipment.
The main equipment designated for the protection of computers against excess or shortage of electric voltage stabilizer is the same, which is responsible for ensuring that this voltage is always constant, and that, in case of extreme situations, it can absorb larger impacts of these changes and prevent that most serious damage is caused to the computer.
Vguard voltage stabilizer for AC
Vguard voltage stabilizer for TV/refrigerator
Vguard digital stabilizer
FACTORS FOR BUYING
Technology continues advancing the need for regulators. Size, power, dependability and price weigh in on this competitive marketplace.
Understand the required voltage regulation, application and environment, as the online specs are typically detailed.
Look for power regulators with enclosures, meters or modules and circuits for projects and replacement parts.
Find niche areas like an air conditioner or television or refrigerator voltage regulator for specific appliances.
There are many options available including wall mounting which can be considered for safety specially if you have kids.
Time Delay Systems
This helps the compressor to get proper balancing time during power cuts.
Voltmeter displays the regulated voltage
Thermal Overload Protection
This protects the stabilizer and compressors during high temperature burnout
The voltage stabilizers nowadays also come in various styles and colors which can fit in your home decor themes.
There are digital stabilizers also available nowadays which are more accurate and reliable. And these can be used with multiple appliances as you can switch off one appliance and use another with the same stabilizer. These also may connect with generators that you may have installed.
POWER SIZING OF THE EQUIPTMENT TO PROTECT
You need to know the rating of the equipment to be protected - the ratings are normally mentioned as kVA or in amps and whether 3-phase or single-phase. You will also need to know the nominal voltage line to neutral and line to line in case of 3-phase, and also frequency and power factor.
A simple way also can be applied to select stabilizer:
Check the Voltage & current rating of the device. It is written on the sticker near power socket else check the manual.
In India typically the voltage will be 220V
Multiply 220 x Current of all devices and then add the individual devices VAs. Add a 20-25% safety margin to arrive at stabilizer rating. If you have plans to add more devices later, you can keep buffer for them.
You should also consider the surge current which flows when you switch on the device.
In case the voltage stabilizer has a rating in watts also, assume a power factor of 0.8.
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