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  1. DFilipovic

    Transient response test of capacitor instrument transformer

    Hi everyone! According to IEC 60044-5/04, Clause 9.9.2 the test values of the actual primary voltage UP depend on the specified voltage factor FV in the equivalent circuit. I performed transient response test on the capacitor voltage transformer UPR=110000/*3 V, Us1=100/sqrt(3) V; 50 VA; 0,2...
  2. DFilipovic

    Specifications of instrument transformers used in UCTE interconnecting

    Hi everyone! My question is: What are the specifications (accuracy class, rated burden, special requests...)of instrument transformers used for measurement of electric energy exchange between two countries inside UCTE? What voltage transformers are used: capacitor or inductive? I need...
  3. DFilipovic

    Calculation with mutual inductances using EMTP

    31 inductance is connected serial. Each one has mutual inductance with others. First one is grounded and on last, 31st, is applied voltage. All node voltages need to be calculated. I have been solving this problem in MicroTran, and there was no problem until number of inductances exceeded 30...
  4. DFilipovic

    Electric field calculation

    I need to calculate electric field in cylindrical model. Does anyone know where I can download a program that can solve this problem. I have already tried matlab\pde\toolbox\electrostatics but the model is too complex. Thank you.

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