On Load Tap Changer Service

Transaudit Services, a company within the Transaudit Group have one of the country’s leading On Load Tap Changer (OLTC) maintenance experts working for us as our OLTC Maintenance Manager.


Formally with Eskom in South Africa and then 2 decades with ABB in Sydney Australia, David Sherwood is beyond doubt the best at his role of OLTC maintenance in Australia, New Zealand and the Southern Pacific Area.


Additional to David, the company director has been formally trained in OLTC maintenance at ABB’s Ludvika (Sweden) training school, has had Reinhaussen training and also schooled in Ferranti OLTC maintenance.


Transaudit offer OLTC maintenance on the following types:


ABB OLTC - All Types

Reinhaussen - All types up to type V.

Ferranti - All DS series OLTC

Fuller - All Fuller “bolt on external tank” type OLTC

Associated Tap Changers - All types

Plus many others.


Please contact Transaudit for more information.

David Sherwood




+61 407 499 830

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