FAQ | Apr 04,2023
A transformer with no load connected to its secondary winding will typically have a very small current flowing through its primary winding, which is known as the no-load current or magnetizing current. The amount of no-load current depends on the specific transformer design and its operating parameters, such as the core material, turns ratio, and operating frequency.
In general, the no-load current in a transformer is very small, typically on the order of a few milliamperes (mA) or less. However, it can increase if the transformer is operated at a frequency that is different from its rated frequency, or if the core material becomes saturated due to a high magnetic field.
It’s important to note that the no-load current is not the same as the rated current of a transformer, which is the maximum current that can be safely drawn from its secondary winding under normal operating conditions. The rated current of a transformer depends on its power rating, voltage rating, and impedance, among other factors.
--- END ---
COPYRIGHT © HEYI ELECTRICS SOLUTION
