June 11, 2011

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 led's. ... attached directly across a battery at the positive and negative terminals to regulate the flow of electricity running from a car's 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 battery's 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 system's 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 When the demand of a car's electrical system exceeds the alternator output [normally at idling speeds] electricity is withdrawn from the battery to fill up the deficit.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?

4 comments:

Unknown said...

I HAVE WORKED WITH TRANSPORTATION VEHICLES THAT HAVE OR RATHER HAD BETWEEN 60 AND 100 VOLTS OF A/C NOISE IN THE SYSTEM CAUSED BY MANY FACTORS NOT USUALLY PRESENT IN OLDER CARS BUT AS MORE COMPUTER CONTROLLED DEVICES AND OTHER ELECTRONIC EQUIPMENT IS INSTALLED IT CAUSES MORE OF THIS "NOISE" IN THE SYSTEM AS THIS INCREASES IT HAS BEEN KNOWN TO CAUSE PROBLEMS OF INDUCTED INTERFERENCE WITH WITH SENSITIVE EQUIPMENT AND ALLEGEDLY WITH LOW VOLTAGE THINGS LIKE O2 SENSORS TEMP SENSORS WILL THIS PRODUCT SUPPRESS THIS OR POSSIBLY ELIMINATE THE HIGH VOLTAGE IN THE BACKGROUND /??

Unknown said...

I DON'T KNOW IF MY LAST COMMENT / ?? WAS LOST SO I WILL COMMENT AND ASK IN MORE SIMPLE TERMS IF THERE IS A TWELVE VOLT SYSTEM WITH 15 VOLTS WITH CAR RUNNING AND THERE IS A 99 V A/C BACKGROUND MEASURED THERE IS A POSSIBILITY THAT THIS "noise" COULD CAUSE PROBLEMS DOES THIS VOLTAGE REGULATOR STABILIZER SUPPRESS OR ELIMINATE THIS TYPE OF NOISE ???

Unknown said...

WELL MY COMMENT IS GONE AGAIN IS THERE A PROBLEM

Unknown said...

CAN THIS UNIT TAKE HIGH A.C OUT OF A SYSTEM

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