Active Stall regulation
Proven concept
Large rotor and large swept area kvm/kW
Optimized for low and middle wind areas
Excellent grid compatibility
82
NM
[NM82]
Optimized for low and middle
wind areas
Proven concept
As with all NEG Micon turbines,
the NM82 is approved by DNV according
to appropriate standards. The nacelle
builds on the well-tested and proven
design of the NM60/1000, NM64C/1500
NM72C/1500 and NM82/1500.
Robust design
Both nacelle and tower are designed to
meet the relevant type approval area
and special market requirements.
ACTIVE STALL rotor
The rotor is based on the NEG Micon
hydraulic ACTIVE-STALL® technology
and has proven itself in climates ranging
from the Orkney Islands off Scotland
(11 m/s annual mean wind speed)
to inland low wind areas.
The ACTIVE-STALL® technology enables
the rotor to harness maximum energy
from the available wind while minimising
loads and providing fail-safe shut down
of the turbine in all conditions.
Excellent grid compatibility
The ACTIVE-STALL® system enables the
turbine to start up efficiently in low wind
speeds, connect smoothly to the grid in
high wind start-ups, and to shut down
safely and speedily when conditions
demand.
Grid compliance system on request
• Full load and dynamic phase
compensation supporting reactive
power regulation to maintain power
factor within specified range
• Uninterrupted power supply back-up
to maintain full operation of all auxiliary systems in the wind turbine during
grid disturbances
• Continuous regulation of active and
reactive power to support power and
voltage balance in the grid
• Fault ride through capability at grid
disturbance
Track record beyond 11,000
installed WTGs
By the end of 2002 NEG Micon had
installed about 11,000 wind turbines
in almost 40 countries.
Pioneer inside wind industry
NEG Micon has been inside the wind
industry business since the early start
of the 1980’ies.
World’s broadest product program
NEG Micon offers the markets broadest
product portfolio, which enables us to
adjust products and technologies to the
conditions of individual sites. The product
program is optimised continuously
through intensive product development.
The ability to identify and supply tailored
solutions is one of NEG Micon’s core
competencies achieved through years
of experience with product development.
NEG Micon’s philosophy behind its broad
product program is to be able to supply
the correct and competitive turbine for
a specific site. The days are over where
one wind turbine model could be erected
on all sites, irrespective of wind regime,
temperature, temperature movements,
air humidity, service availability, etc.
High proven availability
In 2002 the average availability of
NEG Micon turbines was 98.12%.
Global/Local monitoring
Wherever it is, NEG Micon offers to
monitor the turbines.
Turbines in all climates
Experience from almost every corner of
the world.
NEG Micon A/S, Alsvej 21, DK-8900 Randers, Tlf.: +45 8710 5000, Fax: +45 8710 5001
E-mail: mail@neg-micon.com, www.neg-micon.com
Operational data
Nominal output
Power regulation
Nominal wind speed
Cut-in
Cut-out
1650kW
Active-Stall
13 m/s
3,5 m/s
20 m/s
Rotor
Rotor diameter
Rotor swept area
Number of blades
Blade pitch
82 m
5281 m2
3
Hydraulic, fail-safe
Brake system
Mechanical brake
Aerodynamic brake
Drive train
Gear type
Transmission
Main shaft
Main bearing
Cooling
Generator
Type
Nominal voltage
Nominal frequency
Nominal power
Cooling
Yaw system
Type
Yaw brakes
Drive mechanism
Tower
Type
Hub height
Controller
Type
Grid cut-in
Phase compensation
Remote control
Single unit disk
brake, hydraulic failsafe
Full blade pitch
Planetary/spur gears
1:70.2 – 50 Hz
1:84.3 – 60 Hz
Forged shaft and
flange
Self-aligning roller
bearings
Liquid cooling with
pump
Asynchronous
690 V/ 50 Hz
600 V/ 60 Hz
50 Hz
60 Hz
1650 kW
Liquid cooling with
pump
Ball bearing slewing
ring with gearing
and disk brake
6 hydraulic brakes
6 spur gears with
electric motors
Conical, steel, painted
According to approvals
Computer control
system
Thyristor coupling
switch
Regulated, staged
Via modem
E.ON Grid compliance system on request
Smooth grid switch
on current
<1.2 times grid
capacity
Limitation of active
power gradient
<10% increase or
decrease per minute
Limitation of active power
output by demand
Limitation of reactive
power by demand
Reactive power provision 0.975 inductive to
0.975 capacitive
Frequency
operation range
47.5 Hz to 51.5 Hz
E.ON Grid disturbance
compliance
Windturbines stays
grid connected 3000
ms
Not released for Germany