Advantages of dc frequency conversion technology in cold chain application:
• System energy saving
1、Dc compressor compared to ac about 10% energy saving.
2、Reduce the starting and stopping times of the unit and save 5-15% energy.
3、After reaching the set temperature, the compressor runs at low frequency, saving more than 30%.
• Reduce dehydration
In constant temperature and low frequency operation, condensate water can be produced less or not, dehydration can be reduced, and food quality can be improved.
• Fast refrigeration to reach the temperature
During the cooling stage, the high frequency operation increases the cooling capacity by 40-50%, so as to shorten the cooling time by 30%.
• Improve reliability and service life
Soft start. The number of open and shut down is less than 10% of the frequency setting machine. Under the overloading condition, the compressor can run at a reduced frequency, which can avoid the phenomena of jump, high exhaust temperature and over flow of the compressor.
• High cost performance
The cooling capacity of the same number of units is about 1.5 times that of the fixed frequency units. For example, a 4-piece frequency conversion unit can be labeled as a 6-piece refrigerating capacity, thus reducing the cost of refrigeration accessories. In addition, a frequency conversion unit eliminates the need for ac contactor.
Motor Power (W)
Fan Diameter (mm)
Max Air Flow (m3/h)
1、All the date the reference date belong to the following conditions: the frequency of 60 hz, refrigerant R404A, evaporation temperature of 7.2 ° C, condensation temperature of 54.4 ° C, super-cooling degree of 8.3 ° C, back to the temperature degrees 35 ° C, environment temperature 35 ° C, wind speed 2 m/s.
2、Evaporation temperature range, 10 ~ -40 ° C.
3、Other series or brand compressors can be assembled according to customer requirements.
4、Follow the development strategy and quality concept of the company, product design update, improvement, without prior notice.
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Baifute is an integrated enterprise focusing on research and development, production, sales and trade, the company is located in jinan new material industrial park, covers an area of thirty-three thousand square meters, occupies modern production workshop and world-class production equipment. The company has a history of 30 years, registered capital of 35 million，existing staff of more than 200 people......
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