Electrical engineering

Definition: A transformer is a static electromagnetic energy conversion device, that transfers electrical energy from one circuit to another circuit without change in frequency. An induction motor is a electromechanical energy conversion device, that converts electrical energy into mechanical energy. Difference Between a Transformer and an Induction Motor In general, an induction motor is a rotating transformer with primary winding connected to supply mains and the secondary winding terminals are shorted. However, the difference between a transformer and an induction motor are mentioned below: Transformer is a static machine whereas an induction motor is a rotating machine. Transformer is an electromagnetic energy conversion machine wheras an induction motor is an electromechanical energy conversion machine. Transformer is a constant frequency device wheras in an induction motor the stator is at supply frequency(f) but rotor is at frequency "s*f", where "s" is cal...

Definition: The transformer is an electromagnetic energy conversion device, that transfers electrical energy from one circuit to another circuit without any change in frequency.  During this process of energy transfer, the energy is being converted from electrical to magnetic and back again to electrical energy. The part of the transformer that receives electrical energy from supply mains is known as a primary winding and the part that delivers electrical energy to the load is known as the secondary winding. Single phase transformer The primary and secondary windings of the transformer are not electrically connected but are magnetically coupled. Thus, the electrical energy received by the primary winding is first converted into magnetic energy and then it is converted back into electrical energy in the secondary winding. Working Principle of transformer: The basic working principle of a transformer is "faraday's law of electromagnetic induction" .      According to f...

Power efficiency and all day efficiency of transformer The definition of  Power efficiency and all day efficiency of a transformer is as given below Definition: Power efficiency is defined as the ratio of Output power to the Input power. Mathematically, it is represented as  All day efficiency  is defined as the ratio of Output energy to the Input energy calculated over 24 hours. Mathematically, it is represented as  Q) Now, the question is why two efficiencies are required for the transformer? Let us first know about the types of transformers based on the location. They are as listed below: Power transformer. Distribution transformer. Power transformers are located on the sending end/generating end side of power system  whereas the distribution transformer are located on recieving end/load end side. What is the need of Power efficiency? The power system is an interconnected network and the power transformer is located on the sending end side of the system. Henc...