Electrodynamometer Instruments – Ammeter, Voltmeter and Wattmeter
The electrodynamometer is a transfer-type instrument. A transfer-type instrument is one that may be calibrated with a dc source and … Continue Reading
Moving Iron Instruments – Attraction and Repulsion Type
The most common ammeters and voltmeters for laboratory or switch-board use at power frequencies are the moving iron instruments. These … Continue Reading
Permanent Magnet Moving Coil (PMMC) Instrument
The permanent magnet moving coil instrument is the most accurate type of DC measurement. It is one of the two … Continue Reading
Three-Phase Transformer – Basics and Connection Methods
Three-phase transformers are used in three-phase circuits to step up and step down the voltage according to the needs in … Continue Reading
Open Delta (V-V) Connection of Transformers
Open Delta Connection is a method of transformer connection used to transform three-phase power using two single-phase transformers. In this … Continue Reading
Combination of Resistances – (Series, Parallel and Series Parallel)
In the world of electrical engineering, mastering resistance combination is very important. Think of it as the puzzle-solving skill for … Continue Reading
Open Loop and Closed Loop Control System (4 Practical Examples Included)
The open-loop control system and closed-loop control system are the two types of control systems that you will learn in … Continue Reading
Inductors and Inductance : Working, Unit, Function, Types and Uses
Inductors are electrical components that oppose the flow of alternating current (AC) by temporarily storing energy as magnetic fields. The … Continue Reading
How to Rescue a Person from Electric Shock?
If a person receives an electric shock, it is the utmost duty of the observer to rescue the person. The … Continue Reading
Miniature cells and Batteries – Silver Oxide, Mercury and Lithium Cells
In recent years, cells and batteries—especially cells—have become available in many different sizes and shapes besides the old cylindrical cells, … Continue Reading