Penco Service has the ability and expertise to service most On Load Tap Changers in use in Iran today.
We can perform a condition assessment of your OLTCs to advise what is wrong or what can be done to increase reliability and extend the life of this important asset. 
Penco Service also has the necessary equipment and manpower to remove the oil to perform an in-tank OLTC inspection and either clean or, more typically, replaces the OLTC oil.
To keep your OLTC operating properly, Penco Service can make necessary repairs or adjustments:
  • Replace old or worn gaskets
  • Fix leaks
  • Replace contacts, check alignment and timing
  • Provide and replace phase moldings and tap heads
  • Replace the complete internal operating mechanisms on some models of tap changers
  • Check the regulating relays for proper operation
Proper OLTC oil maintenance can reduce arcing times and extend contact life. To keep your OLTC oil clean and dry.
Penco can provide and install maintenance-saving devices such as Oil Filtration Systems and  ARDBs (Auto-Recharging Dehydrating Breathers).
  • Tel: +98(021)44091264
  • Fax: +98(021)44091265
  • Cell: +98 912 542 1049
  • Address:Number 24,Floor 6,Sadeqie Trading Center,Sadeqie Sq, Tehran
  • Email:
Emergency Service Available 24/7/365



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