Parameter name Unit parameter
Product model specification-
Vacuum rate m3/H ≥1000
Vacuum level 2
Function description-*Drying the transformer (referring to the cyclic drying of the transformer).
* Degas, dehydrate and remove impurities from transformer oil.
*At the same time, vacuum the transformer to realize vacuum oil filling.
*It can realize the vacuum filling of transformer oil when the transformer is under vacuum).
* Oil treatment can be carried out when the transformer or oil storage tank is lower than the vacuum oil filter (the height difference is less than 10 meters).
* The vacuum system vacuumizes the volume independently.
Vacuum pumping system The rated pumping rate of vacuum pump m3/H ≥200, the quantity is 1
Roots pump rated pumping rate m3/h ≥1000, quantity is 1
Oil injection system Rated pumping rate of vacuum pump m3/h ≥200, quantity is 1
Roots pump rated pumping rate m3/h ≥1000, quantity is 1
Oil injection pump m3/h ≥6000
Cooling method-air cooling
Oil injection flow L/H ≥6000 L/h
Working vacuum when filling oil Pa ＜133
Ultimate vacuum Pa ＜10
Vacuum meter-1
Oil discharge pump requirements-screw oil pump
Working pressure MPa ＜0.3
Working power/frequency-380V/50HZ
Total power kW 13.5
Head m 10
Operating noise dB ＜78
Inlet and outlet pipe diameter mm DN50
Vacuum interface for transformer DN DN50,
Operation mode-manual, automatic
Continuous trouble-free time H ≥200
Mean time between failures H ≥5000
Material requirements-The whole pipeline and tank body are all made of carbon steel
Protection function-Equipped with phase sequence, undervoltage automatic detection and protection devices, and the motor is equipped with a protection switch.
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