High Voltage DC up to 2KV From AC by Using Diode and Capacitors in Voltage Multiplier Circuit

  • High Voltage DC up to 2KV From AC by Using Diode and Capacitors in Voltage Multiplier Circuit

High Voltage DC up to 2KV From AC by Using Diode and Capacitors in Voltage Multiplier Circuit

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Product Description

The project is designed to develop a high voltage DC around 2KV from a supply source of 230V AC using the capacitors and diodes in a ladder network based on voltage multiplier concept.

The method for stepping up the voltage is commonly done by a step-up transformer. The output of the secondary of the step up transformer increases the voltage and decreases the current. The other method for stepping up the voltage is a voltage multiplier but from AC to DC. Voltage multipliers are primarily used to develop high voltages where low current is required.

This project describes the concept to develop high voltage DC (even till 10KV output and beyond) from a single phase AC. For safety reasons our project restricts the multiplication factor to 8 such that the output would be within 2KV. This concept of generation is used in electronic appliances like the CRT’s, TV Picture tubes, oscilloscope and also used in industrial applications.

The design of the circuit involves voltage multiplier, whose principle is to go on doubling the voltage for each stage. Thus, the output from an 8 stage voltage multiplier can generate up to 2KV. As this is not possible to be measured by a standard multimeter, a potential divider of 10:1 is used at the output such that 200V reading means 2KV. Due to low input impedance of the multimeter, the reading would actually be approximately 7 times the input AC voltage.

Further the project can be enhanced to generate the high voltage DC up to the range of 30-50 KV by increasing the number of stages. It can then be used for required industrial and medical applications.

NOTE: The project needs to be handled with utmost safety as touching any high voltage even with a multimeter could be fatal. The company is not responsible for any eventual accident.

Project Highlights

  • Easy to use, Self-explanatory kit.
  • All-inclusive solution kit.
  • Extensive audio-visuals available.
  • Branding-free material.
  • Non-Microcontroller Project.
  • Call/mail for Tech Support from 10 am - 7 pm.
  • Can be Customized for Arduino, Raspberry Pi, PIC

Block Diagram

Hardware Requirements

  • Diodes
  • Electrolytic Capacitors
  • Resistors
  • Multi meter
  • Lamp

Software Requirements

  • None

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So here’s how it works.

In my engineering days, we used to struggle replicating a PCB model from our text books with real tools. We had a tough time with the circuits and most of the time - they used to fail. So I wanted to solve this problem not just for myself but for all my fellow students like you. Young, energetic and knowledgeable youth who really want to learn but still cannot afford to fail with the project because it matters and the colleges rarely help us out productively.

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User Reviews


"I live in Hyderabad, a place that is known for engineering colleges. Went with frnd and bought a set from Ameerpet(tht hs rdymade stuff like this) and it failed just b4 viva. Thats when we got this thx to a senior who is sorta like a geek.. and let me tell u.. Its one reason why me and my frnds got thru the final sem. Works great and is useful too later.. "

Ravi Teja
Order No: HYF1290

"A must-buy. It helped me practice in real time and learn how to make a project by looking at an actual workable unit. (fyi - you get a fully built unit and another full set of components to build another by yourself) so it was great value for us. We shared the costs by 3 (our team for the project) but i got to keep my unit as the other two kept the original. Showed it for my on-campus and got thru too becuase it not just looked neat and profesionally bt worked great later. (still have it in my room, now working with GE in Bangalore) "

Order No: BLR2933

"We have used it for our institution - it is available in lab and has been good for explaining various models in live during class. Strongly suggest every college dept to have it for labs as it is working well - even with regular use at lab for more than 1 year. Note:We got the unit complementarity before launch in 2014 and have later purchased few batches. The team behind it is professional and know what electronics students need and i am writing this review on their request on 13/05/2016"

Mr. Ramesh Kumar Jha
Order No: BQF3698


Q:  How is 2KV generated?

A:  2KV is generated using capacitors connected in series that add up the voltage up to 2KV.

Q:  Is 2KV measured directly?

A:  No, it cannot be measured directly. However using certain provisions, like using a potential divider, one can measure voltage drop at a particular point..

Q:  Where is it applicable?

A:  It is applicable for electronic appliances like CRT TVs, Oscilloscope and also industrial applications

Q:  This project is for 2KV but in multimeter is shown 100V? Why?

A:  The impedance of low cost digital multimeters is approximately 1 M ohm. This can be verified by using a 2nd multimeter in M Ohm (2000K) range to measure the input impedance of the first one while the first one is kept at 1000 v DC volt range. Thus while measuring the voltage across the 1M, another 1M (being the meter impedance) comes in parallel, with a result of effective resistance of 1/2 M or 500K. Therefore the reading seen is half. That is the reason why the displayed value is to be multiplied by 2. However using a very costly multimeter having input impedance of say 100M Ohm shall be showing the correct value as 100M in parallel with 1M will be very near to 1 M only.

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