Hello, i need your help.
I need to amplify a low current (100mA) voltage signal to a higher current without changing the voltage. The voltage output operates a machine that requires 5A to work. The voltage is approximately 500V A.C
Kindly help me with a circuit that can enable me archive this or something close to this.
Thank you!

 

How is the first signal supposed to control the machine? Is it on-off, or some other relationship?

 

State the exact voltage, frequency, and current characteristics of both the signal and the load.

 

State the exact voltage, frequency, and current characteristics of both the signal and the load.

The exact voltage is 502volts, frequency is 60hertz the current(s) characteristics in both is A.C

 

So the load requires about 2500 watts which will require some serious amplification.
What power do you have available?

 

The exact voltage is 502volts, frequency is 60hertz the current(s) characteristics in both is A.C

Currently i have 50.2watts(502v ×0.1A)

So the load requires about 2500 watts which will require some serious amplification.
What power do you have available?

Yes, currently i have 50.2watts i.e (0.1A×502V)

 

Yes, currently i have 50.2watts i.e (0.1A×502V)

I mean what mains power is available to provide the more than 2500 watts the amp will need.

 

So the load requires about 2500 watts which will require some serious amplification.
What power do you have available?

Kindly, i don't get the statement well.

I mean what mains power is available to provide the more than 2500 watts the amp will need.

Kindly, i don't get the statement well please.

 

Kindly, i don't get the statement well please.

You need a power source to power the amp to generate the 2500W for your machine.
That typically is the AC main's power
What power do you have available?

 

You need a power source to power the amp to generate the 2500W for your machine.
That typically is the AC main's power
What power do you have available?

Ok, i get it. I have 1250W

Ok, i get it. I have 1250W

What i needed is a circuit that can enable me archive 2500W to run the machine from the 502V and 100mA

 

I have 1250W

So how do you think you will get 2500W from any circuit? Fame and fortune await if you find a way .

 

Mother nature (and the energy conservation law of physics) does not let you generate 2500W from a 1250W source.
You need a source of at least 2500W.

 

Hello, i need your help.
I need to amplify a low current (100mA) voltage signal to a higher current without changing the voltage. The voltage output operates a machine that requires 5A to work. The voltage is approximately 500V A.C
Kindly help me with a circuit that can enable me archive this or something close to this.
Thank you!

You're not understanding the relationship between current and voltage. It is a reciprocal relationship.* If one goes up, the other must go down. And vice version. If you are intending to maintain voltage a specific level, while increasing current ten times what it is, you need to draw this extra current from somewhere other than the 502VAC you're working from, because your 502VAC @ 100mA is max.

Law of Conservation of Energy.

*You may think you see example that defy this, but that would be because the output is being -regulated- by a change in one or the other to provide what you're seeing.