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How do you identify L1 from L2 in single phase?
L1 and L2 should have different colour insulation. The colours are different in different countries.
What is phase failure relay?
These relay sense the Negative Sequence Voltage components of system supply & offers protection against Phase Failure, Phase Sequence Reversal with Under/Over Voltage conditions which are dangerous to motor winding and cause motor burnouts.
How do you identify start and run windings of a motor?
The run winding of a single phase capacitor start motor has a lower resistance than the start winding.
Fan is inductive load or resistive load?
A fan is typically considered an inductive load due to the presence of the motor within it. Inductive loads, such as motors, create magnetic fields when current flows through them, which can cause a phase shift between voltage and current. This phase shift results in a lagging power factor, which is a characteristic of inductive loads. Resistive loads, on the other hand, have a power factor of 1 and do not cause phase shifts.
Single phase and three phase circuit?
Yes, there is a difference between single phase and three phase circuits.
