CRRC 3.3MW Double-fed Wind Turbine

CRRC 3.3MW doubly-fed wind turbine is a high-power, high-efficiency generation solution, boasting a rated output power of 3400 kW, a rated voltage of 690 V, and a rated rotating speed of 1720 rpm, paired with an H-class insulation system.
Equipped with a rated efficiency of 97% and a rated torque of 2493 N·m, this turbine is engineered to capture and convert wind energy with exceptional efficiency, while maintaining stable performance in the variable conditions of wind farms.
As a mature doubly-fed design, it seamlessly integrates with industry-standard wind power converter technologies, ensuring reliable grid compatibility and long-term operational stability..
We provide full life-cycle support for the 3.3MW doubly-fed wind turbine, including equipment supply, on-site installation and commissioning, maintenance training, spare parts provision, and ongoing technical troubleshooting services.

Advantages of CRRC 3.3MW Double-fed Wind Turbine

Adopting proven doubly-fed wind turbine technology, the FYKK21 achieves a 97% rated efficiency—surpassing industry averages—while delivering a rated power of 3400 kW to maximize wind energy utilization and project returns.
With a rated torque of 2493 N·m and a 1720 rpm rated speed, it ensures strong power output even under fluctuating wind speeds, while its H-class insulation system withstands extreme temperature swings and harsh outdoor conditions, minimizing the risk of overheating or downtime.
Its 690 V rated voltage aligns with global wind power system standards, enabling seamless integration with existing wind farm power distribution infrastructure and reducing the cost of supporting electrical equipment.
As a mature doubly-fed model, it leverages well-established converter technology with high part commonality, resulting in lower operation and maintenance costs and easier access to spare parts for simplified upkeep.
The turbine’s robust design ensures it can handle high mechanical and electrical loads consistently, making it ideal for large-scale wind farms that demand continuous, high-output performance.

Technical Specifications

Motor Model:	FYKK21
Rated Power:	3400 kW
Rated Frequency:	50 Hz
Ambient Temperature:	-30℃ ~ +45℃
Rated Current:	2493 A
Insulation Class:	H
Rated Speed:	1720 rpm
Rated Voltage:	690 V
Cooling Method:	IC616
Weight:	10000 kg
Duty Type:	S1
Number of Phases:	3
Mounting Arrangement:	IMB3
Protection Class:	IP54

Product Model	Motor Model	Rated output power	Rated voltage	Rated rotating speed	Insulation grade
2.5MW Generator	FYKK16	2500 kW	720 V	1720 r/min	H
3.3MW Generator	FYKK21	3300 kW	690 V	1720 r/min	H
4.2MW Generator	FYKS21	4200 kW	1140 V	1720 r/min	H
6.25MW Generator	FYKK25	6400 kW	1140 V	1720 r/min	H
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General Infomation of CRRC 3.3MW Double-fed Wind Turbine
Motor Model	FYKK21	Rated Power	3400 kW
Rated Frequency	50 Hz	Ambient Temperature	-30°C ~ 45°C
Rated Current	2493 A	Insulation Class	H
Rated Speed	1720 rpm	Rated Voltage	690 V
Cooling Method	IC616	Weight	10000 kg
Duty Type	S1	Number of Phases	3
Mounting Arrangement	IMB3	Protection Class	IP54
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