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Archive: Category «Energy and Power»

Phases and wires in distribution of AC power

AC power transmission is always at high voltage and mostly by 3-phase system. The use of single-phase system is limited to single-phase electric railways. Single-phase power transmission is used only… Read more

Oct 19, 2015 | Edvard

Phases and wires in distribution of AC power

4 Things Soil Resistivity Depends On

Though the ground itself being a very large body can act as an infinite sink for currents flowing into it and can be considered to be having very low resistance to current… Read more

Oct 17, 2015 | Edvard

4 Things Soil Resistivity Depends On

Testing Challenges in Large Ground Systems

Large ground systems, such as those found in substations and power stations, are an important part of the protection of the electricity supply network. They ensure that fault current will… Read more

Oct 12, 2015 | Edvard

Testing Challenges in Large Ground Systems

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 | Edvard

3 Things That Capacitors Do Perfectly

Synchronizing Generator To The Grid

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

Oct 02, 2015 | Edvard

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

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