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GW155-4.5MW: PMDD Smart Wind Turbine

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Smart features

Smart sensing
Monitoring of key components enables predictive
diagnostics and precision control

Smart transmission
Enhanced efficiency and convenience in data transmission with
remote data burning and transmission

Smart control
Flexible power control and self-adjustment guarantees
maximum output of the entire wind farm

Industry-leading adaptability

Environment adaptability
Flexible power control

Maintenance adaptability
Dual circuit design of electrical system enables partial
operation when one circuit is compromised, thus improving MTBF

Construction adaptability
Individual blade assembly to conserve site space

GW155-4.5MW
PMDD Smart Wind Turbine

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GW 155-4.5MW
PMDD Smart Wind Turbine

Rated output voltage V 690


Operating parameters

Rated power MW 4.5 Brake system

Wind turbine class IEC III B/S Aerodynamic brake


Aerodynamic brake system \
Cut-in wind speed m/s 2.5 via feathering

Rated wind speed m/s 10.8 Generator hydraulic brake


Mechanical brake system \
Cut-out wind speed m/s 26(High wind ride through) (for maintenance)

Design service life Year ≥ 20


Yaw system
-20℃ ~ +45℃ (Extendable to
-30℃ ~ +45℃, Motor-driven/Four-stage
Type/Design \
Operating temperature ℃ at 0m altitude, de-rating planetary gear reducer
temperature is 40℃ and
cut-out temperature is 45℃ ) Yaw brake \ Hydraulic brake

Control system and lightning protection


-30℃ ~ +50℃ (Extendable to
Survival temperature ℃
-40℃ ~ +50℃ ) Type \ PLC control system

Rotor system
Lightning protection IEC61400/24-2010、
\
Rotor diameter m 155 design standard IEC62305-2010 standards

Swept area m2 18869

Generator Integrated lightning protection


Lightning protection strategy \ system for the turbine
(GL certification standards)
Permanent magnet
Type \
synchronous generator
If the average earth resistivity
Rated voltage V 740 ρ ≤ 3000 Ω·m, the power
Wind turbine
Ω frequency grounding resistance
ground resistance
Converter R for each Wind Turbine should
be less than 4 Ω
Type \ Full power converter
Tower
Capacitive
Power factor regulation range \
0.9 - inductive 0.9 Type \ Steel tower

Rated output frequency Hz 50/60 Hub height m 95/110/140 (project specific)

1. Generator cooling system


2. Wind sensors
3. Hoist 8 2
4. Yaw system 10 6
5. Nacelle base
6. Nacelle cover
7. Generator stator 11
3
8. Generator rotor 7
9
9. Hub 4 1
5
10. Blade
11. Pitch system

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