Any owner knows that the voltage in the mains is never stable. It depends on the place of residence and can change in large limits. As practice shows, the further the object is located, the greater the likelihood of voltage surges. For modern household appliances, this situation is dangerous. Any leap threatens that devices (electric ketters, microwaves, TVs, etc. p.) will simply stop starting. The only solution in this situation is the use of special stabilizers.
The main types
At the moment, the following types are very popular:
Servo drive.
Electronic.
Relay.
In servo drive models, voltage adjustment is carried out due to a change in the number of turns into the transformer. The main element in this design is the engine with a servo. He sets in motion a special runner moving along the turns.
The advantage of this device is a relatively low cost. Only in such stabilizers there are a large number of mechanical nodes, respectively, their reliability and durability leave the best.
Relay models are equipped with a special switching device responsible for switching the transformer windings. They also differ in low cost and fragility. The most common breakdown of such stabilizers is the stamping of contacts.
As for electronic models, they are considered to be the highest quality, durable and reliable devices. Special keys-typors act as executive details.
Among the advantages of this technique, the following can be distinguished:
Speed (the device reacts to voltage changes within twenty to thirty milliseconds).
Reliability.
Non -souredness in use. This is extremely important if the stabilizer is mounted on the territory of the premises.
Of course, this type of stabilizers is not devoid of disadvantages. In particular, they differ in a fairly high cost. At the moment, their price is approximately two to three times more expensive than servo drive and relay models. But this acquisition pays for itself due to durability and ability to save any technique in the house.