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Technical Articles

Energy and Power

Few things that capacitors do perfectly

Capacitors provide tremendous benefits to distribution system performance. Most noticeably, capacitors reduce losses, free up capacity, and reduce voltage drop. Let’s go a little bit into details. By canceling the… Read more

Oct 05, 2015 | By Edvard

3 Things That Capacitors Do Perfectly
Industrial Automation

Applying Variable Speed Drives To Control Pressure

Using variable speed drives (VSDs) to control pressure reduces the electrical energy requirements by reducing the amount of hydraulic energy actually produced. A basic pressure control pump station is equipped… Read more

Oct 03, 2015 | By Edvard

Applying Variable Speed Drives To Control Pressure
Energy and Power

Synchronizing Generator To The Grid

Having discussed the principles of synchronizing the generator to the grid, we will look briefly at the physical method of accomplishing it. In theory, there are at least two simple… Read more

Oct 02, 2015 | By Edvard

Old generator synchroscope used for matching the speed and phase angle of a generator before connecting it to the power grid
High Voltage

FACTS Devices To Enhance Power System Performance

Flexible Alternating Current Transmission System (FACTS) simply refers to a combination of power electronics components with traditional power system components. They are intended to improve our power system reliability, power… Read more

Sep 28, 2015 | By sajna soman

FACTS Devices To Enhance Power System Performance
Energy and Power

Analysis of pole-mounted MV/LV transformer grounding

Let’s discuss in some detail the reasons for the grounding philosophy adopted for pole-mounted MV/LV transformer substations illustrated in Figure 0. Contents: LV grounding MV grounding Combined MV/LV grounding Separate… Read more

Sep 23, 2015 | By Edvard

Analysis of pole-mounted MV/LV transformer grounding
Electrical Lectures

Voltage Drop Calculations For Engineers – Beginners

Voltage drop calculations using the DC-resistance formula are not always accurate for AC circuits, especially for those with a less-than-unity power factor or for those that use conductors larger than 2… Read more

Sep 19, 2015 | By Edvard

Voltage Drop Calculations For Engineers - Beginners
Energy and Power

Guidelines To Residential Room Lighting

Architects of development houses usually select the locations for switches, receptacles, and luminaires at a quality and price level determined by the builder. However, purchasers of architect-designed, custom-built homes usually… Read more

Sep 18, 2015 | By Edvard

Guidelines To Residential Room Lighting
Energy and Power

4 Factors To Consider When Selecting a Sectionalizer

Sectionalizers are (beside overcurrent relays, reclosers and fuses) one of the most used for distribution system protection. A sectionalizer is a device that automatically isolates faulted sections of a distribution… Read more

Sep 16, 2015 | By Edvard

Sectionalisers as one of the most used for distribution system protection
Energy and Power

5 Steps To Safely Shutdown a Large Generator

Normally, units are removed from service through operator initiation of distributed control system (DCS) commands or turbine trip buttons that shutdown the prime mover. Closure of steam or fuel valves… Read more

Sep 11, 2015 | By Edvard

5 Steps To Safely Shutdown a Large Generator


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