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  • Users: wijono
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  1. wijono

    Coefficients in core losses calculation

    Hi All, I am working in a design of permanent machines. I use FEA program. In the core losses calculation, the program needs the hysteresis, eddy current and excess coefficients. The core is silicon steel lamination 50H470 from Nippon steel. Is there anybody knows values of those coefficients or...
  2. wijono

    Ansoft Maxwell Transient Simulation

    Hi All, I use Ansoft Maxwell program for my electrical generator project design. I face a problem in transient simulation. Is there anybody use this program? Regards, Wijono Kuala Lumpur
  3. wijono

    Low Permeability Material

    Hi All, I am looking for a magnetic material having a low relative permeability in the range of 10-100. I had search in the site, but no one I found. Would you help me? Wijono
  4. wijono

    How to derive Magnetic Vector Potential

    Hi All ... We usually use Magnetic Vector Potential A to calculate back emf of a coil in a permanent magnet machine. Unfortunately, in some FEA software, especially 3D, parameter calculated by default is B and H. Would anybody help me? I need a equation to derive A from other parameter (B or H...
  5. wijono

    Ansoft Maxwell Parametric Simulation

    Hi All, I am an Ansoft Maxwell 2D user. I change my model to 3D using Maxwell 3D. There many different things in 3D. I face a problmem in "moving" an object. In 2D, I use "contsraint" fascility. In 3D, I define parameters, but these parameters do not appear in Setup Solution/Variable. So, I can...
  6. wijono

    are and volume number after overlap

    Every time we overlap areas or volumes, the number of areas or volumes will be changed. How to keep areas or volumes number so we can easily identify it especially in the batch mode?

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