WAVE FILTER
The sine wave filter is driven by PWM inverter, and its switching frequency range is between 2-8khz, which still provides sine wave output voltage. In the application of frequency converter drive, it can effectively suppress high frequency loss and DV / dt radio frequency interference, improve the performance and life of motor, and make the cable of motor and frequency converter grow to 500 meters, which is longer than 3 kilometers.
Application:
1. Change the PMW wave output by the frequency converter into sine wave
2. Reduce eddy current loss and motor noise
3. Reduce the pulse current on the output cable and in the motor, and prolong the service life of the motor
4. Longer cable connection can be used between inverter and motor
5. Reduce the external radiation, can use unshielded cable in certain occasions, reduce the requirements of field wiring
6. Effectively prevent motor damage caused by DV / DT, overvoltage, motor overheating and eddy current loss
TechnicalSpecifications:
1. Working voltage: 220vac-1140vac
2. Working current: 5A-1600A
3. Working frequency: 50/60Hz
4. Carrier frequency: 2k-8k
5. Insulation class: Class F, H
6. Pressure drop: 8% - 12%
7. Voltage harmonic distortion thd ≤5%
8. No load current ≤8%
9. Operating environment: -10 +The rating will not be reduced at 45 ℃. When the temperature is higher than 45 ℃, the rated current will be reduced by 2% for every 1 ℃ increasement
10. Protection grade:IP00-IP22
11. Large current: 1.5times of rated current, lasting for 60s
12. Noise: ≤ 65dB
13. Temperature rise: ≤80K
14. Electrical strength: core winding 3000VAC / 50 Hz / 5mA / 10s, no flashover breakdown (factory test)
15. Insulation resistance: 1000VDC, insulation resistance ≥ 100mΩ
16. The altitude shall not exceed 2000m
17. The operating environment temperature is - 25 ℃ to + 45 ℃, and the relative humidity is not more than 90%.
18. There is no harmful gas and inflammable and explosive materials around.
19. The surrounding environment should be well ventilated. If it is installed in the cabinet, ventilation equipment should be installed.
20. Standards:
IEC289:1987Reactor
GB10229-88Reactor (eqvIEC289:1987)
JB9644-1999Reactor for semiconductor electric drive
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