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Recent content by amir_h

  1. amir_h

    Using Embedded Function (MATLAB)

    Hi I am using a w64 R2008a version of MATLAB. when I trying to use an Embedded Function in a model, the MATLAB can not create the 'modelname-sfun.mexw64' file. please help me solving the problem. Thanks,
  2. amir_h

    DESIGN OF DIGTAL POWER METER USING PIC16F877/877A

    Hi I have a similar project. But the most important problem is the harmonic effect. Calculating the power through ( P=V.I.cos(t) ) is only acceptable for sinusoidal waveforms. When the voltage or current include harmonic, the above equation is incorrect. How can i take the harmonic effect into...
  3. amir_h

    VYNCKIER VSD200 Inverter model

    VYNCKIER VSD200 Inverter Dear all I was bought a VYNCKIER VSD200 Inverter to drive a special motor at 45 volt and 80 Hz. I will be so thankful to help me if this task is possible for this model of inverter. Regarsds,
  4. amir_h

    Spectrum Partitioning

    Hi ali There is one paper in this field at: I hope it be useful.
  5. amir_h

    How to plot three orthogonal circles with angle in space?

    Re: How to plot three orthogonal circles with angle in spac Can you explain more?
  6. amir_h

    How to transform 3-phase inductances with space harmonics to 2-phase?

    Hi The Park transformation is a well-known three-phase to two-phase transformation in machine analysis. The transformation equation is shown on the picture. But if the mutual and self inductances of the machine, have the space harmonics, then we can't use of park transformation. How can I...
  7. amir_h

    How to change the axes in the plot figure in Matlab?

    Re: matlab question Hi Follow these steps: 1. In the plot figure go to: Edit -> Axes Properties... 2. Press Ticks button. 3. On the Labels Column type your favorites labels such as: pi, pi1, ... 4. Press OK and close <Property Editor>.
  8. amir_h

    How to plot three orthogonal circles with angle in space?

    Re: How to plot three orthogonal circles with angle in spac Tt's very easy. Only use these cammands in MATLAB: t = 0:pi/50:10*pi; plot3(sin(t),cos(t),t);
  9. amir_h

    How to use Park transformation for a machine with the space harmonics?

    Hi The Park transformation is a well-known three-phase to two-phase transformation in machine analysis. The transformation equation is shown on the picture. But if the mutual and self inductances of the machine, have the space harmonics, then we can't use of park transformation. How can I...
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