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Wind turbine converter

This product adopt three-phase, AC-DC-AC bidirectional converting technology. The core controlling is with rapid floating point arithmetic ability "double DSP digital control. In the generator rotor side, the converter achieves the strategy of the stator field-oriented vector control. In the grid side, the converter realize the power grid voltage oriented vector control strategy. The system with adjustable input and output power factor, automatic soft interconnection and the maximum power point tracking control function. The power module uses high switching frequency IGBT power components to ensure good output waveform.The rectifier inverter apparatus with simple structure, less harmonic content, etc.

Wind turbine converter

1. Using DSP digital control technology, intelligent inverter testing process can be fully realized;
2. The built-in power communication isolation + LC dc &AC filter, input and output electrical isolation;Ac circuit breaker leakage protection function, effectively prevent electrical accidents;
3. The IGBT type circuit, pure digital chemical isolation frequency power supply, leading technology;
4. Using PWM rectifier and PWM full bridge inverter circuit of bipolar, can realize the output voltage range wide, high precision, fast dynamic response characteristics.
5. With the principle of PWM rectifier + PWM inverter, power factor > 0.99;THD and inject harmonic current meet the national standard GB/T14549-93
6. Complete measurement functions: voltage, current, peak current and frequency.
7. Fault data recording function: automatic recording alarm when the state of power supply, alarm code, etc., greatly shorten the maintenance time;
8. The wind turbine speed adjustment automatically according to the power supply  temperature, reduce the noise;
9. The touch screen humanized design, five minutes automatic black without screen operation, parameter Settings need a password to enter  to prevent wrong operation;
10.7 -inch color LCD display, delicate appearance;
 11. Optional RS485, ethernet and other variety of ways;

Type

250KTL

500KTL

1000KTL

1500KTL

2000KTL

2500KTL

Circut type

IGBT/PWM

Input

Phase

3phases3wires

Voltage

400V/690V

Range of voltage

250-500V/500-750V

Range of frequnce

30-70Hz

Power Factor

0.99

AC output

Phase

3phase

Wave

Pure sine wave

Voltage

400/690V

Current

750A-420A

Frequency

50/60Hz

Power factor

+0.95- -0.95 adjustable(normal =0.99)

Max Effiency

95%

Rated Output Voltage

400/690Vac ±15%

Low voltage ride through

When the grid voltage fall down, the inverter will limit the current. It will protect itself automatically if the grid voltage can not recover

Restart after power down

30s(adjustable) standby automatically

Environment and other

Isolation

AC2000V 10mA/1min

Cooling mode

Forced cooling

Working Temperature

-15-45

Relative temperature

0-95%(without condensation)

Altitude

2000m

Communication

RS485, Ether Net