I would like to ask, why in the real world open-circuit transformers have non-zero value for its primary current?
What are the physical effects that cause the primary current to be non-zero. .
Dear RatchWhen the secondary is driving a load, a negative impedance is reflected back to the primary and current increases.
I'm disagree with you about it . why negative resistance ? each transformer is an electromagnetic circuit that we can model it to an electrical circuit . there is no negative resistance . core is like a wire to carrying magnetic flux !
What are the physical effects that cause the primary current to be non-zero.
As i asked from some of my friends , the behavior of transformer can't be considered as a negative impedance .
negative impedance , means that when the voltage is increasing , the current decreasing , too ,
but at transformers we won't have this , and i didn't see it at some of famous text books that i have seen ever . ( definition of negative impedance for transformers . )
I got your meaning and i know that what you're trying to say , but we can't justify it's behavior as a negative impedance , because however there is an electrical isolation between input and out put , but we will have an electromagnetic circuit , ( you can model it to a simple circuit) , thus your consideration can't be correct .
You should however understand, that statements involving "negative impedance" related to passive electronic networks sound confusing at least for people with a regular engineering background and bring up contradiction. I don't see the term "negative impedance" founded by the quoted literature, by the way. You may be beating a dead horse in this point.
We use cookies and similar technologies for the following purposes:
Do you accept cookies and these technologies?
We use cookies and similar technologies for the following purposes:
Do you accept cookies and these technologies?