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  1. J

    Recommended MOSFET Gate Driver and MOSFETs for H-Bridge Motor Controller

    Evening gents, I'm trying to pick out MOSFETs along with a MOSFET Gate Driver from International Rectifier that will suit my needs. (See http://www.irf.com/indexsw.html) The MOSFETS will be used in an H-Bridge configuration, with the MOSFET Gate Driver driving the gates of each respective...
  2. J

    Motor Controller - Understanding the circuitry external to the ICs

    Evening gents, Attached is schematic of a motor controller I am looking to modify and implement. As a start, I've been reading through the datasheets of the IC's and began looking the the external resistors and capacitors to try and figure how the particular R and C values were selected. 1)I...
  3. J

    Buck Converter Design Problem

    See attached figure for design requirements. I decided to experiment, solving the outcomes of L, C, ΔiL, IL and R given a selected frequency, input voltage and output voltage. Of course to obtain the values of the outcomes in a simple manner I made various assumptions. These assumptions are...
  4. J

    What is a Reactor? (Context: Substations)

    As the title so bluntly states, what's the purpose of a Reactor? I'm an engineering student and the group I'm currently working for does lots of consulting work for a number substations and what I've often seen in the project descriptions is things like, "Reactor Salvage & Replacement", but...
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