Mitigating step and touch potential hazards is usually accomplished through one or more of the following three main techniques. Reduction in the resistance to ground (RTG) of the grounding system… Read more
Apr 07, 2017 | Edvard
Every electrician, in every branch of electrical work, will need to consult and understand the information presented on electrical drawings to locate the various outlets, the routing of circuits, the… Read more
Apr 05, 2017 | Edvard
The prime function of an earth electrode is the protection of persons. That’s it. It is a fact that we live on Earth! And it is vital to earth exposed… Read more
Apr 03, 2017 | Edvard
In order to measure electrical power the relay needs to receive the line voltage and current from a current transformer (CT) installed close to the metering point, if possible. To… Read more
Mar 31, 2017 | Edvard
Consider a medium voltage distribution system having local generation (e.g., captive power generation) as shown in figure 1 which is also synchronized with the grid. During grid disturbance, if plant generators… Read more
Mar 29, 2017 | Edvard
Energy efficiency in commercial buildings involves providing a given level of performance, cost, quality, availability, and comfort at a minimal level of energy usage throughout the lifecycle of a given… Read more
Mar 27, 2017 | Edvard
In an low voltage electrical installation, capacitor banks can be installed at three different levels: Global installation Segment (or group) installation Individual (or single) installation After installation ways, we’ll discuss about… Read more
Mar 20, 2017 | Edvard
Considerable effort has been expended over the years to express power relations as simply as possible. Power engineers have coined the term complex power, which they use to find the… Read more
Mar 17, 2017 | Edvard
Batteries need to be sized correctly to be able to feed the required load for the required time, and a number of factors need to be decided to be able… Read more
Mar 10, 2017 | Edvard
Synchronous machines can be used as generators or motors. They are of 3-phase construction, even though some special exceptions can be found. A bulk of the applications are within power… Read more
Mar 06, 2017 | Edvard
