Difference between stabilizer and voltage regulator
Answers
Answer:
Explanation:
The voltage regulator, which processes and amplifies the input control signals to a level and form appropriate for control of the exciter. ...
The excitation system stabilizer is an element or group of elements that modify the forward signal by either series or feedback .
*Both are used to mitigate the effects of voltage dips. Dips are characterized by the depth - the retained voltage - and the duration. Short and deep dips are best served by a Stabilizer while long and shallow dips are the province of the voltage regulator.
*A voltage regulator has no energy store. It has a transformer secondary winding in series with the supply. When the input voltage moves outside the tolerance band the primary of that transformer is driven to boost, or in anti-phase to reduce, the voltage appropriately. Because the load voltage is kept constant, the power to the load is constant so, when the input voltage falls, the input current increases. The current capability of the supply and the device itself limits the working range to about +/-30 % of nominal voltage.
*A Stabilizer has an energy store, so requires no additional input power (in the short term) to boost the voltage during a dip. A Stabilizer can correct a dip to 0 % retained voltage. But the Stabilizer has a limited energy store and so is suitable for short-term effects only - it cannot correct for long term under voltage, for example. Also, the store has to be recharged between events so it is not suitable multiple dips are expected frequently. Typically, Stabilizers use super capacitors, large secondary batteries or high-speed flywheels as energy stores.
Unsurprisingly, Stabilizers are more expensive than voltage regulators.
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Answer:
the voltage regulator will automatically compensate to provide the right output .a voltage stabilizer is basically a voltage regulator that used in homes to output a constant voltage even if backend power supply fluctuates for any reason