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Thursday, May 7, 2015

Does anyone need a Voltage Stabilizer

A Voltage stabilizer could be just a simple black-box of many capacitors... sometimes comes with attractive and convincing digital displays or blinking/colorful leds. ... attached directly across a battery at the positive and negative terminals to regulate the flow of electricity running from a cars battery to its electrical components. Plug n Play type is also available...The Voltage Stabilizers are believed can smooth idling, increase battery life, improve combustion efficiency hence increase power/torque, decreased emissions, improve output from headlights and audio equipment, etc....

The truth is the battery itself is already like a large voltage stabilizer.
Everybody knows that the electrical system in most cars is 12 volt [24 volt system also got]. However, the charging system generates a voltage between 13.2 and 14.5 volts [based on my old school book] while the engine is running because it has to generate higher voltage than the batterys rated voltage to overcome the wiring and internal resistance of the battery. The current needed to recharge the battery would not flow at all if the charging systems output voltage is lower than or the same as the battery terminal voltage. There is also a voltage regulator at the alternator to regulate the dc voltage output.
Peugeot 405 Voltage Regulator

The alternator generate electricity and send it to the battery and other electrical loads. During low or moderate loads the excess electricity generated by the alternator charges the battery rather than increasing the voltage/current flow to the car electrical system and damaging them. When the demand of a cars electrical system exceeds the alternator output [normally at idling speeds] electricity is withdrawn from the battery to fill up the deficit.

Now, anyone still need a voltage stabilizer?

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