Farady automatic voltage stabilizer for high voltage

There are huge varieties of farady automatic voltage stabilizer available in the market, and surely it's not a big deal to procure one, according to the needs. But off course it can be very amusing to build one at home all by you and see it actually working. The circuit of an Automatic Voltage Stabilizer (AVS) described  is in fact very simple in design, reasonably precise and will give a good protection to the electronic gadget that is connected to it. It will particularly guard them against the dangerous high voltage auto load booster and also from the possible brownouts (low voltages).