BSI code: 3AFV5990088 Document Code: 3AFV6026967

29-1-2011

Transformer oil analysis

Equipment Information:

Type of the product:

Type code:

Cooling method:

Tag name:

Scope of Supply:

Transformer oil analysis

Operating history of the transformer is checked from the history database and together with the customer.

The Transformer oil analysis is performed at a

selected laboratory and consists of the following:

o Dissolved gas analysis o Voltage breakdown test o Water content analysis o Acidity analysis (option)

Reporting:

The data obtained from the above tests will be used

factory ABB factory specialists to determine to condition of the transformer.

A report will be complied containing any maintenance recommendations and further actions. As a standard one electronic copy will be submitted.

BSI code: 3AFV5990088 Document Code: 3AFV6026967

29-1-2011

Customer Benefits:

Minimizing the maintenance and repair costs through proactive condition

monitoring of the transformer Easier planning and budgeting of future maintenance operations

Work and Materials Included:

Included:

Analysis of the oil in the selected laboratory and recommendations Oil sampling bottles

Not Included:

Taking the oil sample from the transformer Any travelling or logistics costs ork and spare parts required to rectify any

faults found are at additional cost.

Customer Actions:

Provision of safety induction to the asset and necessary permit-to-work Contact details of relevant personnel with whom to liaise Taking the oil sample from transformer Sending the oil samples to the laboratory Sending the oil analyses results to ABB (in case a non-ABB laboratory is

used)