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Double-fed-1140V
3.x-6.xMW
Product Classification:
Doubly-Fed Wind Converter
Key Words: Converter
Product Introduction
| power | 3.0MW/3.3MW/3.6MW | 4.0MW/4.2MW/4.5MW/4.8MW | 5.2MW/5.5MW | 6.0MW/6.25MW/6.66MW/6.76MW |
| model | HD06DF3000 HD06DF3300 HD06DF3600 |
HD06DF4000 HD06DF4200 HD06DF4500 HD06DF4800 |
HD06DF5200 HD06DF5500 |
HD06DF6000 HD06DF6250 HD06DF6660 HD06DF6760 |
| Dimensions (W*H*D) | 2600*2200*600mm | 2600*2200*600mm | 2600*2200*800mm | 2600*2200*800mm |
| 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 evαery 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 | 1140V+15%/-10% | 1140V±10% |
| Frequency Range | 47Hz~53Hz | 47.5Hz~52.5Hz | 47.5Hz~55Hz | 46.5Hz~51.5Hz |
| Grid-side converter parameters | ||||
| Rated current | 277A/300A/350A | 397A/415A/446A/474A | 516A/546A | 595A/621A/637A/646A |
| Machine measurement of converter parameters | ||||
| Rated current | 656A | 760A/800A/880A/910A | 1017A/1076A | 1010A/1110A/1200A/1200A |
The control circuit of the converter separates the loop control circui£t and the closed loop control circuit according to the control mode. The for£mer is mainly used in some special equipment with low requirements; the laσtter has the function of automatic control and adjus>tment, and is widely used in various working machines.
According to the nature of the control signal, it is divided into analog control circuit and digit★al control circuit. Analog signal is the most commonly used DC voltαage and current, easy to use the method of electricity to be processed and transformed; d✘igital signal is a set of information parameters with discrete values of the discontinuous change of the signal. Digital control has high precision, but the cφircuit is more complex and expensive. Therefore, digital-analog hyγbrid control circuits are widely used in practice. In a¶ddition, the control circuit using the microcomputer als£o has many advantages.
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