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Equivalent circuit

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equivalent_circuit_test_method_KS_&_IEC

Equivalent Circuit Test Method : KS & IEC Standards

  • - Locked rotor test. method A : rated frequency (60/50Hz) and 1/2 frequency (30/25Hz)
  • - Locked rotor test. method B : rated frequency (60/50Hz) and 1/2 frequency (30/25Hz), 1/4 frequency (15/12.5Hz)
  • - Locked rotor test. method C : rated frequency (60/50Hz)

equivalent_circuit_test_method_IEEE

Equivalent Circuit Test Method : IEEE Standard

  • - Institute of Electrical and Electronics Engineers, IEEE 112 std. F.method
  • - Rated frequency (60/50Hz), 1/2 frequecy (30/25Hz), 1/4 frequency (15/12.5Hz) locked rotor test
  • - No load tests (10 point)

equivalent_circuit_test_method_Circle_Diagram

Circle Diagram Test Method

  • - No load test & rated frequency (60/50Hz) locked rotor test
  • - In case the shape of rotor slot is normal,(generally 3kw and below
  • - Selection and calculation of L type or T type equivalent circuit

equivalent_circuit_test_method_results

equivalent_circuit_test_method_parameters

Test Report of Equivalenet Circuit Test

  • - Example of locked rotor test. method B
  • - Calculation of parameters
  • - Test report according to IEEE std.112