Parallel Operation of Alternators
Parallel operation of alternators is the process of connecting two or more alternators or synchronous generators in parallel to supply electric power to a common
Electrodynamometer Wattmeter Construction & Working principle
In this article, we will discuss the electrodynamometer wattmeter, its construction, advantages, and disadvantages. Let’s start with a basic introduction to the electrodynamometer wattmeter. An
Polarity Test of Transformer -Explanation and Diagrams
The polarity test of the transformer is performed to determine the direction of induced voltages in the primary winding and the secondary winding. The polarity
Resistance Formula of a Wire
This article describes the relationship between resistance and length of a material with the resistance wire formula. Resistance is the property of the material that
IP Ratings and IP Rating Chart
IP ratings classify the levels of protection against solid objects, dust, accidental contact, and water in electrical enclosures. IP ratings are key for understanding how
Drift Velocity- Definition, Formula, Examples
The slow movement of electrons in the conductor when an EMF is applied across the conductor is called Drift Velocity. The electrons do not move
What is an Electric Meter?
Definition: An electric meter, also known as an electricity meter, electrical meter, energy meter, or kilowatt-hour meter, is used to measure the electrical energy consumed in a
Auto Transformer: Definition, Theory, and Diagram
In this article, we will study the theory and diagram of an autotransformer(or auto transformer). An auto transformer is a type of electrical transformer used
What is Residual Magnetism? – Its Types
Residual magnetism refers to the remaining magnetization in a circuit after removing the external magnetic field. This article describes the residual magnetism and its types.
What is the Dimensional Formula of Inductance?
The dimensional formula of inductance is [ML2T−2A−2]. In this article, we will derive this dimensional formula of inductance. What is a Dimensional Formula? The dimensional