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- 13″ Rubber Pneumatic Wheel
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- Medium voltage VFD reconstruction case in thermal
- Application of Medium-voltage VFD in Thermal Power Plant
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- Medium voltage VFD application on 100MW mill fan
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- Application of Harsvert VFD in Zibo Cement Plant
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ภาษาไทยApplication of Harsvert VFD in Zibo Cement Plant
2009-12-15 13:59:51
Our plant began to use VFD in 2004 and it saved much cost for our plant. We use 8 sets of Harsvert VFD in Zibo Cement Plant reconstruction project. We make a statistic for the project effect. The data is in following table:
Field | Motor power kW | Motor power (before) kW | Motor power (after) kW |
1# circulating fan, line1 | 1000 | 790 | 661 |
2# circulating fan, line1 | 1000 | 774 | 681 |
High-temperature fan, line 1 | 2500 | 2221 | 1777 |
Mill fan, line 1 | 630 | 348 | 247 |
3# circulating fan, line2 | 1000 | 830 | 681 |
4# circulating fan, line2 | 1000 | 780 | 632 |
High-temperature fan, line 2 | 2500 | 2420 | 1866 |
Mill fan, line 2 | 630 | 388 | 257 |
Energy-saving Calculation:
Yearly work time: 11 months, month work time: 28 days. Total work time is 7392 hours.
For line 1:
Save power=(790-661)+(774-681)+(2221-1777)+(348-247)=767kW
Yearly save power=767×7392h=5669600kWh
Yearly save cost=5669600kWh×0.5yuan/kWh=2834800yuan (USD 416882).
Conclusion:
In brief, the reliable performance and ideal power saving effect of medium voltage VFD have created tremendous economic benefits and social benefits for the company, so it is worthy to be recommended and applied in industry.
- Vertical Drill Press Vertical Drill Press The Vertical drill press has electric speed control device. It’s a powerful energy-saving device.
- Application of Medium-voltage VFD in Dusting Fans for the Electric Furnaces of the Forth S... Application of Medium-voltage VFD in Dusting Fans for the Electric Furnaces of the Forth S...Application of Medium-voltage VFD in Dusting Fans for th
- Rubber Tile Mat Rubber Tile Mat The tile mat comes in size 500*500*15/20/25/30/40/45/50/60/70mm. It is available in color red, green,
- Anti-Fatigue Mat Anti-Fatigue Mat The anti-fatigue mat comes in size 3’×5’×1/2’’ (1524×914×12.7mm) with 20.9lbs (9.50Kg) weight, colo
- 16″ Rubber Wheel 16″ Rubber Wheel This 16″ rubber wheel is perfect for low-speed uses; suitable for wagons, carts, hand trucks, wheelb