Electrical Switchgear Protection
Definition of Switchgear A switchgear or electrical switchgear is a generic term which includes all the switching devices associated with mainly power system protection. It also includes all devices associated with control, metering and regulating…
Current Divider Circuits
Let’s analyse a simple parallel circuit, determining the branch currents through individual resistors: Knowing that voltages across all components in a parallel circuit are the same, we can fill in…
Battery Technology
In the modern era, electrical energy is normally converted from mechanical energy, solar energy, and chemical energy etc. A battery is a device that converts chemical energy to electrical energy. The first battery was…
A System of Systems – Microgrids Poised to Soar in Popularity
Microgrids are smaller versions of the national electricity grid running independently. Here you can read about microgrids, why we need them, how they are cost effective, and their constituents. Microgrids…
Phasor representation of Voltage and Current
The voltage and current waveforms are given as It can be seen from the waveforms (Fig b) of the two sinusoidal quantities – voltage and current, that the voltage, V…
How dry type transformers are self-extinguishing and fire resistant.
Dry type transformers are self-extinguishing and fire resistant as construction materials used in the dry type transformer are aluminum, silica (quartz sand), epoxy resins which are very much flame-retardant and…
Basic concept of electrical earthing or grounding.
The earthing or grounding of an electrical system plays a very important role for the stability and safety operation of the system. Though the earthing or grounding in electrical system…
How to Measure a Tall Building or Skyscaper – 5 More Techniques
Can you believe that you can measure the height of a tall tower or a building with the help of a friend and his/her height? Read this to learn how…
7 Project Management Mistakes and How to Avoid Them
Neglecting project management altogether is a huge mistake for any business, but it’s not the only one you can make. Here are seven common mistakes organizations make — and how…
7 Inappropriate and Out of Context Architecture Designs
Experiencing and exploring well-designed and aesthetically pleasing buildings is one of life’s little pleasures. But there are times when architects take things a bit too far. Far from enriching the lives of those who…


