## Voted Best Answer

Mar 19, 2020 - 03:32 AM

First you need to contact the manufacturer to get the saturation curve then you match it similar to the attached example.

How (by what formulas) to determine Air core reactance, Magnetizing current and Knee voltage in order to introduce the above parameters into the transformer saturation parameters and simulate its saturation?

Known information:

3 Phase Transformer MVA = 200 MVA;

HV winding voltage = 242 kV;

LV winding voltage = 15,75 kV;

Short-circuit voltage = 11%;

Short-circuit losses = 660 kW;

Open-circuit current = 0,4 %;

No load losses = 130 kW.

Known information:

3 Phase Transformer MVA = 200 MVA;

HV winding voltage = 242 kV;

LV winding voltage = 15,75 kV;

Short-circuit voltage = 11%;

Short-circuit losses = 660 kW;

Open-circuit current = 0,4 %;

No load losses = 130 kW.

Status:
Open Mar 18, 2020 - 08:15 PM

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Mar 19, 2020 - 03:32 AM

First you need to contact the manufacturer to get the saturation curve then you match it similar to the attached example.

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