Sinusoids and Phasors: Complete Guide
Many new electrical engineers are unaware of the use of sinusoids and phasors when they analyze AC circuits. In this … Continue Reading
Instrumentation
Damping Systems – Air friction, Fluid Friction & Eddy Current Damping
In this article, you will learn about four different types of damping systems namely air friction damping, fluid friction damping, … Continue Reading
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
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
Measurement of Three Phase Power | Wattmeter Methods
This article explains the measurement of three-phase power in star connected or delta connecter load using the wattmeter methods. The … Continue Reading
Current Transformer (CT) – Construction and Working Principle
A current transformer (CT) is a type of transformer that is used to measure AC current. It produces an alternating current … Continue Reading
Low Voltage Switchgear
Low voltage switchgear, according to IEC 60947, refers to switchgears with rated voltages up to 1000 V AC and 1500 … Continue Reading
Three Types of Analog Instruments – Indicating, Recording and Integrating
An analog instrument is one in which the output or display is a continuous function of time and bears a … Continue Reading