Last modified on 08.6.2019.
TRANSFORMER DESIGN FOR SIMULATION PURPOSES (Model parameters for each phase)

This page serves a free online transformer design tool for simulation purposes according to the following equivalent circuit model for each phase:
Transformer Model

If this service is helpful for your academic work, you can cite this paper ( doi:10.4316/AECE.2019.02004), in which I have presented all the details.

REQUIREMENTS

Frequency f = Hz   (e.g. 50Hz)
Number of phase nph =
If 3-phase, primary side connection type = (ignored for 1-phase transformers)
If 3-phase, secondary side connection type = (ignored for 1-phase transformers)
Primary side rated line-line voltage = VLL1r = V (rms)   (e.g. 230V) (simply primary winding voltage for 1-phase transformers)
Secondary side rated line-line voltage = VLL2r = V (rms)   (e.g. 110V) (simply secondary winding voltage for 1-phase transformers)
Secondary side total rated (apparent) power = ST2r = VA   (e.g. 1250VA)
Efficiency at rated resistive load = η =    (e.g. 0.92)
Copper to total loss ratio at rated resistive load = (PCu/Ploss) =    (e.g. 0.55)
Secondary copper loss to total copper loss ratio at rated resistive load = (PCu2/PCu) =    (e.g. 0.4)
Leading angle of E2 with respect to V2 at rated resistive load = αEV2 = °   (e.g. 5°. It is much closer to 0° usually; however, non-negligible angle difference may be desired for educational purposes.)
Coupling coefficient = k = (e.g. 0.98)
     If you also want design for manufacturing purposes, fill in the following with your requirements. If not, directly press "DESIGN" ignoring them.
          Iron sheets' μr =    (e.g. 900)
          h2 / Ac =    (e.g. 133), where h is the average length of magnetix flux path for each phase, and Ac is the average area of the core through that flux path
          Maximum flux density of the iron sheets = Bmax = T   (e.g. 1.00T. Note that 10000G = 1T)
          Stack factor =    (e.g. 0.80)(rate of effective core area)
          Wire resistivity = ρ = Ωm   (e.g. ρCu = 1.8⨉10-8Ωm)






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