The basics of power in alternating current circuits (you MUST NEVER forget)
In a DC circuit, the power is equal to the voltage times the current, or P=V×I. This is also true in an AC circuit when the alternating current and voltage… Read more
Jul 08, 2016 | Electrical Lectures
How do you become a master electrician?
There are a number of differences between the Journeyman test and the Master electrician exam. Generally speaking, the test for the Master electrician’s exam has more questions, lasts longer and… Read more
Jul 05, 2016 | Electrical Lectures
Why is Good Grounding Important And What Can You Do About It?
The transient nature of lightning with its associated fast rise times and large magnitude currents mean that special consideration needs to be given to the good grounding, for lightning protection… Read more
Jul 04, 2016 | Energy and Power
Electrical Design Project Of Sun’s Datacenter In Santa Clara, California
This technical article provides a top-to-bottom overview of Sun Microsystems’s Santa Clara, California datacenter from electrical design aspect. Sun’s electrical design tour of Santa Clara datacenter is done through a… Read more
Jul 01, 2016 | Datacenters
Power Distribution Network Explained To Electrical Engineers (Beginners)
In the UK, voltages of 132 kV, 110 kV, 66 kV, 33 kV and 11 kV are typically used to provide primary distribution, with a 380–415 V three-phase and neutral… Read more
Jun 28, 2016 | Energy and Power
6 Common Setting Parameters Available On Most Of The Softstarters
This technical article includes a short description of six common setting parameters available on most of the softstarters. Other settings may be available depending on the type of softstarter and manufacturer…. Read more
Jun 27, 2016 | Electric Motor
4 Main Types Of Distribution Feeder Systems To Recognize
Let’s take a look at the four most common distribution feeder systems applied nowadays. There are few other variations, but we will stick to the basic ones. It’s very important to… Read more
Jun 23, 2016 | Energy and Power
12 Basic Motor Types Used For Industrial Electric Drives
Almost all modern industrial and commercial undertakings employ electric drive in preference to mechanical drive because it possesses the following advantages : It is simple in construction and has less… Read more
Jun 21, 2016 | Electric Motor
5 Serious Environmental Impacts Of HVAC Over HVDC Overhead Transmission Lines
The following discussion largely summarizes a paper by L. A. Koshcheev (2003) on the potential environmental impacts of HVDC overhead transmission lines in comparison to HVAC lines. In the paper,… Read more
Jun 20, 2016 | High Voltage
Why does electric motor fail and what can you do about it?
As you already know, electric motor is used everywhere in industry and in term of technology – it’s already pretty complex, sometimes making it a challenge to keep it running at… Read more
Jun 16, 2016 | Electric Motor
31 Common Household Circuit Wirings You Can Use For Your Home
The circuit wirings in this article show the most common wiring variations for typical electrical devices. Most new wiring you install will match one or more of the wirings shown. Find… Read more
Jun 14, 2016 | Energy and Power
31 Common Household Circuit Wirings You Can Use For Your Home (2)
1st part | 2nd part | 3rd part The list of the next ten household circuit wirings: Double receptacle circuit with shared neutral wire (receptacles alternate circuits) Double receptacle small-appliance… Read more
Jun 14, 2016 | Energy and Power
31 Common Household Circuit Wirings You Can Use For Your Home (3)
1st part | 2nd part | 3rd part The list of the last eleven household circuit wirings: Three-way switches & light fixture (fixture at start of cable run) Three-way switches… Read more
Jun 14, 2016 | Energy and Power
Think Of These Things When Purchasing SCADA Software Package
While performance and efficiency of the SCADA software package with the current plant is important, the package you will purchase should be easily upgradeable to handle future requirement. The system… Read more
Jun 13, 2016 | Industrial Automation
6 Adjustable Tripping Settings of a Circuit Breaker You MUST Understand
There are (at least) six basic adjustable tripping settings (functions) you really should understand in order to fully understand how circuit breaker actually works. All these adjustable functions actually shape… Read more
Jun 10, 2016 | Electrical Lectures
