Jacobs MD 77

1,50 MW
  • ✘ Power data
  • ✔ 5 Pictures
  • ✔ 1 Model




Rated power:1,500.0 kW
Flexible power ratings:-
Cut-in wind speed:2.5 m/s
Rated wind speed:12.0 m/s
Cut-out wind speed:20.0 m/s
Survival wind speed:60.0 m/s
Wind zone (DIBt):-
Wind class (IEC):-


Diameter:77.0 m
Swept area:4,656.0 m²
Number of blades:3
Rotor speed, max:17.0 U/min
Tipspeed:69 m/s
Type:NOI 37.5
Material:GFK / Epoxy
Power density 1:322.2 W/m²
Power density 2:3.1 m²/kW

Gear box



Type:Double Fed Asyn
Speed, max:1,800.0 U/min
Voltage:690.0 V
Grid connection:IGBT
Grid frequency:50 Hz


Hub height:62/85/90/100 m
Type:Steel tube
Corrosion protection:coated


Single blade:-
Rotor:35.0 t
Nacelle:56.0 t
Tower, max:-
Total weight:-



Power curve

There are no power data deposited for this turbine.


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Jacobs MD 77
Own building


The wind turbine MD 77 is a production of Jacobs Energie GmbH, a manufacturer from Germany. Since year 2001, Jacobs Energie GmbH is no longer active. The manufacturer was taken over by REpower Systems SE.

The rated power of Jacobs MD 77 is 1,50 MW. At a wind speed of 2,5 m/s, the wind turbine starts its work. the cut-out wind speed is 20,0 m/s.

The rotor diameter of the Jacobs MD 77 is 77,0 m. The rotor area amounts to 4.656 m². The wind turbine is equipped with 3 rotor blades. The maximum rotor speed is 17,0 U/min.

The Jacobs MD 77 is fittet with a spur/planetary gearbox. The gearbox has 3 stages. Manufacturer of the transmission is Flender/Eickhoff/Moventas.

In the generator, Jacobs Energie GmbH sets to Double Fed Asyn. The manufacturer has used one generator for the MD 77. The maximum speed of the generator is 1.800 U/min. The voltage amounts to 690 V. At the mains frequency, the MD 77 is at 50 Hz.

In the construction of the tower, the manufacturer uses Steel tube. As corrosion protection for the tower Jacobs focuses on coated. Manufacturer of the tower is Klotz/KGW/Welcon.

We have 5 pictures of this wind turbine. One model has been entered to the wind turbine. This is the Jacobs MD 77 - Own building model. Power data for the MD 77 of Jacobs are not stored in the system.

The Jacobs MD 77 has been listed since 27.01.2013. The last modification of the master data was made on 28.11.2013.

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