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電機絕緣

  • 發布日期:2019-03-21 總瀏覽:

高效率和超高效率電動機的絕緣均采用F級絕緣系統,B級溫升,這是當今業界比較通用的要求。

F級絕緣系統B級溫升的采用,使高效節能電機產品獲得25℃的安全裕度。這可用于增加有限周期的負載,使電機可適用在較高環境溫度和海拔,或者在更高的電壓和頻率容差下工作。同樣它可用于延長絕緣壽命。

F級絕緣系統 

-最高環境溫度40℃ 

-最高允許溫升105K 

-熱點溫度裕度+10K 

B級溫升

-最高環境溫度40℃ 

-最高允許溫升80K 

-熱點溫度裕度+10K 

絕緣系統溫度級別:

-F級155℃ 

-B級130℃ 

-H級180℃ 


    The insulation of high efficiency and ultra-high efficiency motors adopts F-level insulation system and B-level temperature rise, which is a common requirement in today's industry.

    With the adoption of B-level temperature rise in F-level insulation system, the safety margin of high-efficiency and energy-saving motor products is 25 C. This can be used to increase the load of finite period, so that the motor can be applied to work at higher ambient temperature and altitude, or at higher voltage and frequency tolerance. It can also be used to extend insulation life.

Class F Insulation System

- Maximum ambient temperature 40 C

- Maximum allowable temperature rise 105K

- Hot spot temperature margin + 10K

B temperature rise

- Maximum ambient temperature 40 C

- Maximum allowable temperature rise of 80K

- Hot spot temperature margin + 10K

Insulation system temperature level:

-F grade 155 C

-B grade 130 C

-H grade 180 C

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