MVM Hungarowind Wind Power Plant Operating Ltd.

Address: H-1031 Budapest, Szentendrei út 207-209.
Telephone: (+36-1) 304-23-95 or (+36-1) 304-23-17
Fax: (+36-1) 202-60-95 or (+36-1) 202-15-28
Web: www.hungarowind.hu
E-mail: hungarowind@hungarowind.hu

As proof of sustainable development and its environmental awareness, the MVM Groupset as a priority objective in its medium-term strategy the participation of the National Power Company in the utilisation of renewable energy sources in Hungary.

hun_01On the basis of these principles, MVM Hungarowind Ltd. owns eight wind turbines with a total installed capacity of 23 MW located in the vicinity of Sopronkövesd and Nagylózs in Győr-Moson-Sopron County.

The main activities of MVM Hungarowind Ltd. are electricity generation and its sale under Mandatory Power Purchase System (KÁT) operated by MAVIR Hungarian Independent Transmission Operator Company Ltd. Our Company has been contributing to the expression of the commitment to sustainable development and environmental protection since March 2008. The utilisation of wind energy is free from pollutants, and no wastewater, radioactive waste, dust or ash is produced during electricity generation. It is inexhaustible, renewable and is made available to us by nature.

The wind park of MVM Hungarowind comprises seven 3 MW and one 2 MW V90 turbines made by the market leading Danish company, VESTAS, with a total installed capacity of 23 MW. The towers soar to a height of 105 metres. An entire wind turbine weighs up to 385 tonnes. The blades are made of glass and carbon fibre reinforced epoxide, each weighs more than 6.5 tonnes and measures more than 44 metres in length, thus the diameter of the rotor, together with the 2-metre diameter of the central main axle, reaches 90 metres! At the top of the tower, a what is called nacelle houses a complete hydraulically operated nacelle-turning and blade angle adjustment mechanism with a pressure of 260 bar, a drive unit comprising two planetary and one spiral stages and providing a gear ratio of 1:104 and a generator.

hun_02The towers are connected by a 20 kV underground cable in two circuits, which are connected to the 120 kV main line in a separate substation constructed for the park. Depending on the wind direction, the entire nacelle is capable of turning around the axis of the tower to face the most favourable wind direction (hydraulic driving). The blades are braked by a brake system operating on the principle of aerodynamics and mechanics. The measurement of wind direction and speed is ensured by a high-precision anemometer working on the principle of acoustic resonance. The quantity of electricity generated depends on the wind conditions; the power plant is capable of generating electricity in the wind speed range of about 14 to 90 km/h.

Its operation does not require a permanent staff on site. The wind park has remote regulation and control and online monitoring systems. All important parameters of the park can be monitored and documented with certainty by means of these systems.

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