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Wind Turbine Converter AC POWER SOURCE

The on grid generator power converter adopts AC-DC-AC PWM rectification plus PWM full-bridge inverter two-stage circuit technology. The core control adopts dual DSP full digital control, and realizes the stator magnetic field oriented vector control strategy on the rotor side converter of power generation. The grid-side converter implements the grid voltage directional vector control strategy; the system has the functions of adjustable input and output power factor, automatic soft grid connection and maximum power point tracking control. The power module uses high switching frequency IGBT power devices to ensure a good output waveform. This rectifier inverter device has the advantages of simple structure and less harmonic content.

  • DM
  • shandong, China
  • 3 days
  • 300pcs/month
  • Information
  • Video

Wind turbine converter


Generator power converter performance characteristics

The on grid generator power converter adopts AC-DC-AC PWM rectification plus PWM full-bridge inverter two-stage circuit technology. The core control adopts dual DSP full digital control, and realizes the stator magnetic field oriented vector control strategy on the rotor side converter of power generation. The grid-side converter implements the grid voltage directional vector control strategy; the system has the functions of adjustable input and output power factor, automatic soft grid connection and maximum power point tracking control. The power module uses high switching frequency IGBT power devices to ensure a good output waveform. This rectifier inverter device has the advantages of simple structure and less harmonic content.

 

1. Adopt PWM rectification plus PWM full-bridge inverter two-stage circuit, which can achieve the characteristics of wide output voltage range, high precision and fast dynamic response;

 

2. Adopt the principle of PWM rectification + PWM inverter, power factor>0.99;

 

3. THD and injected harmonic current meet the national standard GB/T14549-93;

 

4. Complete measurement functions: voltage, current, current peak, frequency, etc .;

 

5. Save the fault function: support historical data query, automatically record the power status and alarm code at the time of alarm, greatly reducing maintenance time;

 

6. Touch screen, user-friendly design, no operation for 5 minutes, automatic black screen, parameter setting requires password entry, to prevent misuse;

 

7. 7inch color touch screen display, operating system data, fault information at a glance, convenient parameter setting;

 

8. Support RS485, WiFi, GPRS, Ethernet and other communication methods. You can monitor the working status in real time through the PC or mobile phone, and you can also query the historical working status. The mobile terminal is compatible with Android and IOS. All data can be connected to the Internet of Things.

 converter

Generator converter


Generator power converter 300-1000KW


Generator power converterDMGC300KDMGC500KDMGC1000K
Generator rated power300KW500KW1000KW
Rated voltage of generator (AC)400V/690V400V/690V400V/690V
Input voltage range (AC)0-550V/0-800V0-550V/0-800V0-550V/0-800V
Rated output power (AC)300KW500KW1000KW
MPPT MPPT Voltage range (AC)250-500V/400-750V250-500V/400-750V250-500V/400-750V
Max. Input current (AC)476A/276A794A/460A1588A/920A
Rated output current (AC)433A/251A722A/418A1444A/837A
THD Current harmonic<3%(At rated power)
Power factor>0.99
Max. efficiency96%
Electrical structurePower frequency transformer
Allowable grid voltage range (AC)220V/380V/440V/480V (Three-phase) ±20%
Allowable grid frequency range50Hz/60Hz±10%
Automatic operation conditionsAC input and power grid meet the requirements, and the power converter operates automatically
Restart time after power failure2min ( Adjustable)
General parameters
FunctionRectification, wind turbine curve setting, adjustable output power
Automatic protectionReverse connection protection, short circuit protection, island effect protection, LVRT, overheat protection, overload protection, ground fault protection, lightning arrester, etc
DisplayTouch screen
Monitoring contentGenerator voltage, current, power, inverter output power, * cumulative power generation,
* power generation at any time
Protection levelIP20(Indoor)IP65 (Outdoors)
TelematicsRS485/USB/GPRS/WIFI/Ethernet (Optional)
EnvironmentOperating amb. Temp. & Hum -10-50°C,<90% no condensation
Noise (1m)<70dB
Refrigeration modeForced air cooling
size / weight2010*1060*2000mm 1.5t2800*1200*2000mm 2.5t4000*1200*2000mm 4t

 

*Above parameter only for reference. Could be custom made to user specifications.



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