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
Measurement
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
How to Test Percentage Impedance of Transformer?
This article covers transformer impedance testing, one of the acceptances tests for new transformers, and a method for routine testing. … 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
Voltage and Power Equations of DC Motor | Condition of Maximum Power
In this post, we will look at the voltage and power equation of a dc motor and the condition for maximum power … Continue Reading
Difference between Dielectric Testing & Insulation Resistance Measurement
All electrical installations and equipment comply with insulation resistance specifications so they can operate safely. Whether it involves the connection cables, … 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
Solid State Relays (Static Relays)
What is a Static Relay? There are two basic classifications of relays – Electromechanical Relays and Solid State Relays (Static … Continue Reading