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690V Air-Cooled Doubly-Fed Converter

1.5MW, 2.0MW, 2.5MW, 3.0MW, 3.6MW, 4.5MW, 5.6MW, 6.25MW

Performance characteristics

High Power Density

The power density is raised by 30%, improving turbine design flexibility

Good Compatibility

Catering to market needs, the product supports the derivative integration with the master control unit and with the turbine auxiliary transformer

Standardization of Parts

Key components of the whole series of converters, such as grid-connected contactors and fans, are standardized to reduce parts categories

Optimized Heat Dissipation Design

The optimized heat dissipation layout inside the cabinet, together with external fans, enhances the converter's environmental adaptability

Higher Efficiency

The filter design is optimized to reduce the grid-side excitation current and the rotor's excitation current, thereby lowering converter losses

Remote Monitoring and Intelligent Diagnosis

The remote network system of the converter can intelligently diagnose wind turbine faults

main parameters

Power	1.5MW	2.0MW	2.5MW	3.0MW	3.6MW	4.5MW	5.6MW	6.25MW
Operating Voltage	552V~759V ①
Rated Current	1527A	2036A	2545A	3083A	3670A	4600A	5676A	6312A
Grid-side Frequency	47.5Hz~52.5Hz / 57Hz~63Hz ②
Grid-side Maximum Continuous Current	305A	420A	550A	650A	750A	1250A	1500A	1500A
Grid-side Overload Current (1min/10min)	336A	462A	605A	715A	825A	1375A	1650A	1650A
Generator-side Frequency	0Hz~20Hz
Generator-side Maximum Continuous Current	580A	800A	1000A	1100A	1250A	1400A	1800A	2000A
Generator-side Overload Current (1min/10min)	638A	880A	1100A	1210A	1375A	1540A	1980A	2200A
Grid Voltage Harmonic Tolerance	≤5%
Grid Voltage Imbalance Tolerance	≤8%
System Efficiency	≥97%
Noise	<82dB
Operating Temperature	-40℃ to +50℃ (45℃ to 50℃ derated)
Storage Temperature	-40℃ to +70℃
Altitude	Standard Type: ≤3000m; Plateau Type: 3000m~5000m ③
Cooling Mode	Air Cooling
Ingress Protection	IP23
Fault voltage ride through	In compliance with the Wind Turbines -test Procedure of Voltage Fault Ride Through Capability
(FVRT)
Dimensions (WHD) (mm)	20002000600					30002000600

① The product is capable of running at 1.3 times the high voltage.

② For other frequencies, consult Hopewind.

③ For solutions applicable to an altitude higher than 4000m, consult Hopewind.

* ①②③ are applicable to the whole doubly-fed converter series.

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