Time overcurrent protection is the backbone of relaying. Learn about proper settings here.

Intro - Substations are electrical power systems that convert from one voltage to another and distribute power out. The term substation...

Relaying and protection can be confusing-REALLY CONFUSING. Elaborate new ways to protect power systems are being invented every day. And,...

In North America, there are three main electrical codes: The National Electrical Code (NEC), used in the United States Norma Oficial...

Basics - Generators have been the backbone of the electrical grid for as long as the grid has been around. Other than solar energy, all...

Determining the ampacity of conductors is never easy. There are a lot of factors to consider, including derating and overcurrent...

At the highest level, we could break electrical circuits into 2 categories: branch circuits and feeder circuits. Branch circuits describe...

Designing and building a good electrical power system is about more than just making sure that all of the studies turn out okay. A common...

Basics - The danger most people associate with electrical systems is shock: You touch a wire and a metal frame and experience a jolt of...

Battery energy storage systems (BESS) have long been held as a vital part of the shift to renewable energy. Renewables like wind and...

General - Capacitors are commonly used as standalone devices in industrial, transmission, and distribution power systems to compensate...