Transformer Ratings- Formulas and Solved Problems
The maximum current a transformer can deliver to loads at the rated voltage is known as a transformer rating. It is expressed in VA, kVA,
Voltage Regulation of Transformer-Definition, Formula
What is the Voltage Regulation of a Transformer? Voltage regulation of the transformer is defined as the percentage change in the transformer’s secondary voltage from
Open Delta Connection of Transformer
When two single-phase transformer is connected in an open delta connection, the arrangement can provide a three-phase supply to the load. The open delta connection
Core Type Transformer – Construction & Working
The transformer can be categorized into core type and the shell type.In a core type transformer the winding encircles the core whereas in a shell type transformer the core encircles the winding. The winding encircles the core of a transformer. The Single phase transformer has two limbs and three phase transformer has three limbs.
Air Gap Power in Induction Motor
Air gap power in an induction motor is the output power of the stator or input power to the rotor. The electrical power fed to
Why Starting Torque of Squirrel Cage Induction Motor is Low?
The starting torque of an induction motor is very low compared to its rated torque. The torque of an induction motor depends on the rotor
Why Power in Pure Inductive and Pure Capacitive Circuit is Zero?
This article describes why the power in pure inductive and capacitive circuits is zero. The inductors and capacitors are the basic building blocks of an
What is the importance of slip in an induction motor?
The induction motor can’t run if there is no slip. What is a slip of an induction motor? Let us first understand the slip of
Transformer Oil | Testing, Types and Properties
This article describes transformer oil testing, oil types, and their properties. Transformer Insulating Oil is used in the transformer for insulation and cooling purposes. What
Why does an Induction Motor has Poor Power Factor at NO Load?
The power factor of an induction motor is very low, in the range of 0.1 to 0.3 when the motor runs at no load. There