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No.88 Liuqing North Road,Liushi Town,Yueqing City,Zhejiang Province,China
Gechy Electric Co.,Ltd tell you the Electricity consumption of voltage stabilizers depends on the efficiency of the stabilizer. Typically they are 95-98% efficient. Which means, they consume about 2-5% of the maximum load. So if you have a 1 kVA (or 1000 VA) stabilizer, it would consume about 50 Watts (on peak load).
Which means if a 1kVA stabilizer is left on for 10 hours, it would consume about 0.5 unit of electricity. Thus leaving it on for 24 hours can lead to a lot of electricity consumption.
Are there different single-phase and three-phase voltage stabilizers?
Yes they are. But a three-phase voltage stabilizer is required only if voltage stabilization is needed for a three phase motor or for stabilizing voltage for a full three-phase setup.
All appliances that are used at homes can work on single-phase voltage stabilizer, and a three-phase voltage stabilizer may not be required for residential use unless one is trying to stabilize the voltage of complete house on a three-phase connection.
It is not recommended to put a stabilizer for the complete house because voltage stabilizers also consume electricity, and thus using it for the whole house will result in electricity consumption for all 24 hours. Instead if it is used for individual appliance, then it can be switched off when the appliance is switched off.