Connecting Multiple AC Alternators to run house electricity

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Connecting multiple AC 3-phase alternators to generate electricity for home use is feasible, but typically unnecessary due to the capacity of individual alternators. Using an electric motor to drive these alternators is inefficient, as it consumes more electricity than it produces. Automobile alternators, which provide DC, can be used in a DC system if the home is wired for it, but they are impractical for standard AC home appliances. The discussion highlights that attempting to create a perpetual motion system contradicts the laws of physics. Continued curiosity and research into these systems are encouraged.
BBandy
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...nothing that I can accept as a reason that you can not connect multiple ac 3 phase alternators together run by a single motor to creat electricity for your home.

Motor? As in elecric motor?
why would you use electricity to generate less electricity?

3 phase alternators are easily paralleled. They are also generally large that enough one would run several homes so there's no need to parallel them.

Automobile alternators provide DC so were your home wired for it and all appliances DC , you might run such alternators from an internal combustion engine and parallel them.
The 3 phase AC that they internally rectify into DC is at frequencies unuseable by most appliances so that is not practical. And you'll incur more fuel cost than you save on your electric bill .

If this is a suvivalist undertaking - go ahead with a DC system it'll work.

If it's a perpetual motion undertaking it's a violation of both Physics Forum's rules and Nature's Laws, so with all due respect take it someplace else .

But keep up your curiosity, and do more research.

old jim
 
I am trying to understand how transferring electric from the powerplant to my house is more effective using high voltage. The suggested explanation that the current is equal to the power supply divided by the voltage, and hence higher voltage leads to lower current and as a result to a lower power loss on the conductives is very confusing me. I know that the current is determined by the voltage and the resistance, and not by a power capability - which defines a limit to the allowable...

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