0

Guest

Courses New

how do transistors convert our 220v supply to 2000-3000v?

how do transistors convert our 220v supply to 2000-3000v?
 

Grade:

2 Answers

Ravi
askIITians Faculty 69 Points
9 years ago
Transformers are used to do that. Thistechnique uses one or two transductors (for full wave operation) i.e. a square loop magnetic core current transformers with secondaries connected in series. AC current bias is passed through the secondary windings. The DC current in the single turn bar primary progressively biases the cores into saturation. This reduces the impedance of the inductors allowing proportionately more ac current to pass in the secondary circuit. The current waveforms become very similar to thyristor ac control.
This ac current is rectified, and the ripple smoothed and passed through a load resistance. The response is inherently slow but normally this is not an issue. Very high permeability tape wound toroidal cores are used for this application with an ac bias current of around 1kHz to 5kHz depending on acceptable core loss.
Karthik
43 Points
8 years ago
I think it is supposed to be transformers. (Transistors are used in electronics they deal mostly with tiny amounts of current)
Transformers that convert low voltage to high voltage- Step up transformer
Transformers that convert high to low voltage- Step down Transformers.
 
But here energy is conserved because when voltage is incerased then current decreases. P=VI
So from this equation we can see if voltage incereases then current decreases and vice versa.

Think You Can Provide A Better Answer ?

Other Related Questions on Electromagnetic Induction

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More