Environment

5 things about high voltage power lines

Table des matières #1 High voltage power lines :Definition #2 Why are there red and white balls on power lines?#3 Different types of power lines (VHV, HV, MV, LV)The transport network: very high (VHV) and high voltage(HV) linesThe distribution network: medium (MV) and low voltage(LV) lines#4 Electrocution problemsA major risk of electrical lines on birds#5 What…

Countries

The largest solar farm in the world

Solar Energy In Egypte The largest gathering of solar energy stations was opened in the Benban area of ​​the Egyptian Aswan Governorate.Solar panels cover a very large area in a desert region so much so that it has a clear view of space. This area is part of the Benban complex for the production of…

Countries

Wind energy in Moroco

Morocco is endowed with real advantages Morocco is endowed with real advantages, notably by its strategic position at the heart of an energy hub (connection to the Spanish electricity network by two 400kV / 700 MW lines). The prospects for the development of the renewable energy sector in Morocco are very favorable thanks in particular…

Uncategorized

Windmills from 1180 to 2020

#1.History of windmills The history of the operation of the first windmill dates back to the first century, where Heron describes it at this time as the first machine used in power generation in history, and the vertical axis of the mills was used for the first time in Sistan (East  Persia, Iran now) in the…

Uncategorized

Lightning protection system in wind turbines

Electric lightning strikes and how to protect them Lightning strikes result from the formation of electrostatic charges and their polarization in thunderstorms. Thunder clouds form either as a result of an increase in the temperature of the air in contact with the earth’s surface and its upward movement, then cool, moist air is displaced from…

Uncategorized

Electric boats

Solar-powered ocean boat by Azura Marine Singapore-based Azura Marine has unveiled a $ 500,000 electric boat capable of completing « non-stop solar-powered cruises only ».The boat (catamaran yacht, the Aquanima 40 series), It was unveiled earlier this month in Bali, Indonesia.It is a unique design consisting of 4 compartments, and the boat can accommodate 8 guests for…

Wind Turbines

8 Basic concepts of wind turbines

  The need for wind energy in the energy system is to replace fossil fuel-based electricity generation to combat climate change on a global scale, but also to mitigate environmental concerns which are more on a regional or a local scale, which is associated with. Fossil fuel-fired power plants emission of particles, nitrogen oxides, or…

Wind Turbines

Wind Turbine Technical Normative Basis

Table des matières Description of HAWT wind TurbineHAWT are Two Types Power Produced by The Wind TurbineDismantling and lifetime of wind Turbines Design of Wind TurbineWhen the Wind Turbine starts and when it stops?Power Control Stall Control The capacity of wind turbines why wind turbines are three-bladed?The required rotational speed of the rotorThe MultiplierThe Generator The case of wind…