Main transformer new extension enters the device and method of air cooling system

Main transformer new extension enters the device and method of air cooling system

  • CN 107,437,454 A
  • Filed: 09/30/2016
  • Published: 12/05/2017
  • Est. Priority Date: 09/30/2016
  • Status: Active Application
First Claim
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1. a kind of main transformer new extension enters the device of air cooling system, it is characterised in that including being installed on below main transformerFormer blower fan and four new blower fans and fan being installed on below former blower fan, described four new blower fans and fan and former blower fan are used forMain transformer provides heat sinking function, and its distribution is specially:

  • Two new blower fans and fan are installed on main transformer low-pressure side, and two new blower fans and fan are installed on main transformer high pressureSide;

    The power supply of described four new blower fans and the power supply of former blower fan simultaneously connect;

    Described device automatically controls according to opening and closing of the main transformer oil temperature to former blower fan and new blower fan, when oil temperature notDuring less than the first predetermined temperature threshold, the total blower fan number of units for controlling starting state is the first predetermined number of units;

    When oil temperature is not higher than theDuring two predetermined temperature threshold, the total blower fan number of units for controlling starting state is the second predetermined number of units;

    Total blower fan number of units is former windThe number of units sum of machine and new blower fan.

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