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Double-fed-10.5KV
5.x-9.0MW
Product Classification:
Doubly-Fed Wind Converter
Key Words: Converter
Product Introduction
| power | 5.0MW/5.2MW/5.5MW | 6.25MW/6.66MW/6.76MW | 7.7MW | 8.34MW |
| model | HD07DF5000 HD07DF5200 HD07DF5500 |
HD07DF6250 |
HD07DF7700 | HD07DF8340 |
| Dimensions (W*H*D) | 2600*2200*800mm | 2600*2200*800mm | 2600*2200*800mm | 2600*2200*600mm |
| Operating altitude | 0~3000m | 0~3000m | 0~3000m | 0~3000m |
| noise | <82dB | <82dB | <82dB | <82dB |
| Working temperature | -30℃~+45℃, current derating above 45℃, current derating 2% for every 1℃ increase in temperature, shutdown at 50℃ | |||
| cooling method | Air Cooling | Air Cooling | Air Cooling | Air Cooling |
| Protection level | Grid cabinet IP23 Control cabinet IP54 Power cabinet IP23 |
Grid cabinet IP23 Control cabinet IP54 Power cabinet IP23 |
Grid cabinet IP23 Control cabinet IP54 Power cabinet IP23 |
Grid cabinet IP23 Control cabinet IP54 Power cabinet IP23 |
| Grid parameters | ||||
| power voltage | 1140V+15%/-10% | 1140V+15%/-10% | 1140V+15%/-10% | 1140V+15%/-10% |
| Frequency Range | 47.5Hz~55Hz | 47.5Hz~55Hz | 47.5Hz~55Hz | 47.5Hz~55Hz |
| Grid-side converter parameters | ||||
| Rated current | 496A | 600A/630A/662A | 728A | 796A |
| Machine measurement of converter parameters | ||||
| Rated current | 978A | 1100A/1170A/1220A | 1300A | 1500A |
The control circuit of the converter separates the loop λcontrol circuit and the closed loop control circuit according to the contr♠ol mode. The former is mainly used in some special equipment✔ with low requirements; the latter has the function of automatic con trol and adjustment, and is widely used in various working machines .
According to the nature of the control signal, it is divided into analog control circuit anφd digital control circuit. Analog signal is the most co↕mmonly used DC voltage and current, easy to use the method of electricity to be processed and transformed; digital signal is a set of information paramete←rs with discrete values of the discontinuous change of the signal. Digital control has high prec×ision, but the circuit is more complex and expensive. Therefore, digital-analog< hybrid control circuits are widely used in practice. In addition, t™he control circuit using the microcomputer also has many advantages.
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