FUNCTION

Transformer cooler  control cabinet is an indispensable auxiliary system of oil immersed  transformer and provides optimal control to the whole transformer cooling  system, lowering the transformer body temperature, saving energy and  prolonging transformer service life.

SPECIFICATIONS

There  are six parameters needed to specify the transformer cooler control cabinet
 1. Control cooler number and fan number

2. Control cooler or fan power, rated current and oil  circulation method

3. Control power

4. Control voltage grade

5.Communication  specifications (if communication function is needed): RS232,RS485,Ethernet

6. Cabinet ventilation  pattern

RANGE

 Control cooler number:  2-10sets, fan number:2-30sets

 Control power: DC110V+10% or DC220V+10% or  AC220V+10%

 IP grade:IP55

TESTING AND QUALITY

All Mingrui Transformer  cooler control cabinets are designed, rated, manufactured and tested in  strict compliance with IEEE and IEC standard. Routine tests performed on each  Transformer Cooler Control Cabinet are electrical disturbance test,  dielectric withstand test and insulation test. Mingrui’s internal quality  system has been developed and certified under ISO 9001 quality system

CONSTRUCTION

Standard unit includes PLC,  motor protector, thermal relay, temperature and humidity controller, heater  and air break switch installed in a standard safety enclosure. Transformer  cooler control cabinet units are completely assembled, prewired, and tested  at our facility. For shipping all units are crated for added protection and  ease of handling.

ENCLOSURE FEATURES

• Forged eyebolts in  all four corners for easy hoisting.

•Corrosion resistant  nameplate provides complete ratings and manufacturer’s information.

•Heavy gauged enclosure  polyester powder coated finish provides maximum protection.

ENCLOSURE  OPTIONS

•Stainless steel, cold rolled plate construction.  Custom paint finish is available.
 • Top or side mounted entrance bushing(s).
 • Screened covers for indoor applications.
 • Support stands for elevating the enclosure above ground.