High Voltage Pulsating DC supply

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Discussion Overview

The discussion revolves around designing a pulsating DC power supply with a voltage of 1 kV or more, focusing on achieving micro or nano time constants. Participants explore the technical aspects of such a design and seek guidance on software tools for simulation before practical implementation.

Discussion Character

  • Exploratory
  • Technical explanation
  • Homework-related

Main Points Raised

  • One participant seeks help in designing a pulsating DC power supply and inquires about software for project simulation.
  • Another participant questions the definition of "pulsating DC power," specifically asking if it refers to the output switching between 1 kV and ground.
  • A later reply suggests looking into push-pull circuits and high-side and low-side gate driver chips, noting that while some drivers may not reach 1 kV, others can achieve significant voltages.
  • The same reply mentions the use of MOSFETs or IGBTs for the design, depending on the frequency of the pulse and current requirements, highlighting the advantages of MOSFETs at high switching frequencies.
  • Additional reading material is provided to help understand push-pull circuits.

Areas of Agreement / Disagreement

Participants have not reached a consensus on the specifics of the design or the components to be used, and multiple viewpoints on the approach remain present.

Contextual Notes

There are uncertainties regarding the exact specifications of the pulsating DC power supply, including the definitions and requirements for the components mentioned, as well as the limitations of available gate driver technology.

shamee
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Hi
My introduction to Electrical Engineering is Like one hundredth of a starter
But I am here to have some Help

I want to Design a Pulsating DC power supply of 1K or more with micro or Nano Time constant

I will highly Appreciate any kind of help and Guidance and also want to ask is there any software on which v can design and check our project before practically implementing it


Thanks
 
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What do you mean by pulsating DC power?

Do you mean the output of the power supply switches between 1 kV and ground?
 
yes and sorry if m too childish
 
shamee said:
yes and sorry if m too childish

You might want to look at a push-pull circuit and high-side and low-side gate driver chips. I'm not sure if any drivers get up to 1kV but I know of some that get you half way there at least. These are gate drivers for controlling a push-pull circuit that can get you to generate the pulses from a 1kV source.

At 1kV you might want to use MOSFETs or IGBTs for this, depending on the frequency of your pulse and how much current you are supplying. MOSFETs are generally better at high switching frequencies for the small time constants you mention, but IGBTs are improving so, again, depends on the combination of frequency and current supplied.

Here is some more reading that might give you an idea:
http://en.wikipedia.org/wiki/Push–pull_output
 

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