Test and Measurement

Dot Convention in Transformers Understanding Dot Convention in Transformers

From large power stations to compact SMPS circuits, transformers can be found almost everywhere. Though there are many types of…

EMC Testing Chamber EMC Testing Process and Requirements for EMC Compliance

As mentioned in the last article where we discussed Electromagnetic Interference (EMI), almost all electronic products designed…

Impulse Voltage Generator Impulse Voltage Generator / Marx Generator – Circuit Diagram, Working Principle and Applications

In electronics, surges are a very critical thing and it is a nightmare for every circuit designer. These surges are commonly…

Solar Radiation Measurement Methods using Pyrheliometer and Pyranometer Solar Radiation Measurement Methods using Pyrheliometer and Pyranometer

We all know that life is sustained on earth because of the sun as it provides sufficient heat energy to keep the earth warm.…

Grid Dip Meter A Basic Introduction to Grid Dip Meter

The Grid Dip Meter (GDM) or the Grid Dip Oscillator (GDO) is an electronic instrument used in measurement and testing of radio…

Electrical Enclosures - 10 Important Factors to Consider Before Selecting One Electrical Enclosures - 10 Important Factors to Consider Before Selecting One

Modern electronic circuits are becoming more powerful than ever. Consequently, the needs and requirements of electronic…

Don't use your Numerical Relay like Electro-mechanical Relay Don't use your Numerical Relay like Electromechanical Relay

With the experience of working in more than 500 Plants with various types of Electrical services, I have come to know about the…

Relay Failure and Relay Protection What could cause repeated relay failures in a chemical plant?

Just like the previous case studies, we bring to you one more actual incident that happened in one of the Chemical / Process…

HT Motor Tripping with Overcurrent fault during GRR Control HT Motor Tripping with Overcurrent fault during GRR Control

Can Programming in DCS also lead to Tripping of HT Motors? In today’s case study I am going to present a case involving GRR (…

Basics of Smith Charts and how to use it for Impedance Matching Basics of Smith Charts and how to use it for Impedance Matching

RF Engineering is one of the most interesting and challenging parts of Electrical Engineering due to its high computational…