0
\$\begingroup\$

In open circuit test of a transrormer, will the values of the parameters be different if we perform the test on the high voltage side and then we perform the test on the low voltage side ?

\$\endgroup\$
  • 1
    \$\begingroup\$ this looks like school work ... what do you believe to be the answer and why? \$\endgroup\$ – jsotola Jan 28 at 0:34
  • \$\begingroup\$ I believe that the parameters values should be different because the core losses should be the same whether we perform the test on the secondary or primary ,and that can be achieved if the parameters has changed for each test \$\endgroup\$ – user207332 Jan 28 at 0:38
  • \$\begingroup\$ I am taking this course by myself \$\endgroup\$ – user207332 Jan 28 at 0:39
  • 1
    \$\begingroup\$ Are the "parameters" colour, smell, niceness and sincerity? :-) || IF NOT then please explain WHAT parameters that you are seeking to measure. | Primary and secondary inductances (usually) differ. So too many other parameters which are often related by the turns ration or the square of the ratio or ... \$\endgroup\$ – Russell McMahon Jan 28 at 0:54
  • \$\begingroup\$ It is a very clear question if you ever read about open circuit test. The parameters an open circuit measures are the magnetizing reactance , energy component of current , magnetizing component of current etc . \$\endgroup\$ – user207332 Jan 28 at 1:06
0
\$\begingroup\$

Under open circuit test, in a sense, the transformer is no longer a transformer, but a pure inductor. The inductance is proportional to the N^2. So measuring from primary side (higher voltage and higher N in your case), you will see higher inductance, less magnetizing current. From the other side, you will get less inductance and higher current.

|improve this answer|||||
\$\endgroup\$

Not the answer you're looking for? Browse other questions tagged or ask your own question.