Three phase air cooled voltage stabilizer can be employed to minimize circuit brekdowns. Output voltage can be efficiently controlled by this system. It can work under severe conditions of unbalanced voltage conditions as well and deliver stable output. Both, high and low voltage can not harm the electrical and electronic equipment because of this system. Based on the advanced micro controlled technology, this system is ideal for balanced and unbalanced loads. This is an efficient and reliable system has excellent generator compatibility. It is possible to customize the input and output voltage range in this system.