Oct.2023 24
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ELECTROMECHANICAL OR ELECTRONIC VOLTAGE STABILIZERS?
Details

The main construction difference between an electromechanical and an electronic stabilizer, also called a static stabilizer, is determined by the technology of the voltage regulator. In the electromechanical stabilizer, a variable ratio autotransformer is used with dynamic rolling contacts that vary the voltage supplied to the primary of the booster transformer, while in the electronic one the variation is provided by an electronic module based onSCR or IGBTs with double conversion technology.

The choice between the two technologies is related to the type of load to be stabilized. In the presence of loads with a sensitive electronic component, the required speed of correction needs the use of an electronic stabilizer that intervenes in less than 3ms on total regulation, while the electromechanical one has an average speed of 30 ms/volt.

LETEAC, thanks to its long design and manufacturing experience, is able to provide both technological solutions with a wide quality products portfolio characterized by an output voltage accuracy of ±1%.

Recommended products: ZSBW series non-contact voltage regulator; DVR dynamic voltage restorer 

Objective: To stabilize voltage and solve the problem of grid falling

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