Can I Go Off-Grid With Hybrid Systems?
Hybrid wind energy systems can provide reliable off-grid power for homes, farms or even entire communities (a co-housing project, for example) that are far from the nearest utility lines. According… Read more
May 03, 2011 | Wind Power
Where to put transformer?
With electric wires being strung at the tops of poles to keep them out of the reach of the general public, it is obvious that transformers would be hung on… Read more
May 02, 2011 | Transformers
Electrical substation introduction and elements
An power substation is a subsidiary station of an electricity generation, transmission and distribution system where voltage is transformed from high or medium to low or the reverse using transformers…. Read more
Apr 29, 2011 | Power Substation
Overview of solar panel types
There are three common technologies used in solar panels, all of which are based on the common element silicon, which makes up a large proportion of the earth. Monocrystalline cells… Read more
Apr 25, 2011 | Solar Power
Improve power transfer with shunt capacitor banks
Shunt capacitor banks are used to an increasing extent at all voltage levels. There are a variety of reasons for this like the growing need for power transfer on existing… Read more
Apr 24, 2011 | Energy and Power
Eaton: New DC Switchgear Series for Photovoltaic Applications
Eaton’s Moeller Business has added to its portfolio a number of products for DC applications such as photovoltaic or standby battery applications. The new range that is designed for DC… Read more
Apr 22, 2011 | News
Change output voltage of transformer with taps
Most power transformers have taps on either primary or secondary windings to vary the number of turns and, thus, the output voltage. The percentage of voltage change, above or below… Read more
Apr 20, 2011 | Energy and Power
Basic construction of 3-phase AC induction motors you should know
For industrial and mining applications, 3-phase AC induction motors are the prime movers for the vast majority of machines. These motors can be operated either directly from the mains or… Read more
Apr 18, 2011 | Electric Motor
Maintenance Of Meduim Voltage Circuit Breakers
Medium-voltage circuit breakers rated between 1 and 72 kV may be assembled into metal-enclosed switchgear line ups for indoor use, or may be individual components installed outdoors in a substation…. Read more
Apr 17, 2011 | Maintenance
KNX automation makes buildings more efficient
In light of climate change and increasingly scarce resources, the energy-efficient operation of buildings is gaining in importance. Essential requirements for this are an energy-efficient architectural design, an insulated building… Read more
Apr 15, 2011 | Energy Efficiency
VSD – Power supply connections and earthing
In accordance with accepted practice and the local, power is normally provided to a VSD from a distribution board (DB) or a motor control center (MCC). Adequate arrangements should be… Read more
Apr 13, 2011 | Electric Motor
Scientist and inventor – Mihailo Pupin
Mihailo (Mihailo Idvorsky) Pupin was born in Idvor, Banat, October 9, 1854. Received his academic education at Columbia College, New York, and his scientific education at the universities of Cambridge,… Read more
Apr 11, 2011 | Energy and Power
Switchboard Construction Basics For Engineers
Power distribution systems are used in every residential, commercial, and industrial building to safely control the distribution of electrical power throughout the facility. Most of us are familiar with the… Read more
Apr 09, 2011 | Energy and Power
Setting the scene in UK – Why renewable energy?
Energy is at the heart of our society. To date, the developed world has relied predominantly on fossil fuels (coal, oil and natural gas) and nuclear power for energy. Inevitably… Read more
Apr 06, 2011 | Renewable Energy
HGI generator circuit breaker – ABB
The circuit-breakers type HGI can be used as generator circuit-breaker in all types of power plants with unit sizes between 60 – 180 MVA and nominal voltages up to 21kV…. Read more
Apr 05, 2011 | High Voltage
