Transformatordag 2020

Power Transformer
Fletcher Hotel Doorwerth
Power Generation and Transmission

Come and meet us at Transformatordag 2020 organized at Fletcher Hotel Doorwerth in the Netherlands.

Our experts will be happy to discuss our solutions for online monitoring for power transformers. 

The day's program is packed with great content such as: "New developments in online transformer oil diagnostics"  presented by Vaisala's Senior Industry Expert Senja Leivo.

Read about Transformatordag


Fletcher Hotel Doorwerth

Kabeljauwallee 35

6865 BL Doorwerth, NL

Power Transformer

Download New Edition of Power eBook

We invite you to download this eBook and explore Vaisala Power instruments and services offering.

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Here you will have instant access to various tools that will help you with your applications needs including:

  • Experience - What makes Vaisala different
  • Information of Applications, Parameters, Instruments
  • Calibration and Repair Services information
  • Informative video links
  • Collection of Webinars

Are you involved with transformer condition assessment? If so, this white paper is a must-have for you.

As we all know, DGA is the only way to detect a range of internal faults in transformers. Evaluation and interpretation based on statistics has been used for transformer condition assessment for decades. Online monitoring has been available since the late 1990s and there are now various online gas monitors on the market each with their own technical specification, making it challenging for transformer owners to compare and evaluate the different options. To make the field even more complicated for utilities, laboratory DGA plays a role too.

This white paper by Senior Industry Expert Senja Leivo describes the key aspects involved when reading the monitor’s technical specifications and evaluating its performance against laboratory DGA.

After reading the paper, you will understand the main challenges and the latest knowledge about what to consider when utilizing DGA in condition assessment and when comparing results from various sources.

This document is currently free to download.

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Maintenance free monitoring with the Vaisala Optimus™ OPT100 DGA


Vaisala offers a range of specialized online measurement equipment for the power industry. The reliable online measurement of dissolved gases and moisture in transformer oil, dew point, humidity, density, temperature, and pressure helps to ensure that high-voltage assets can operate at maximum efficiency while supporting the planning of predictive maintenance designed to extend asset lifetime and minimize unexpected outages.

At Vaisala we pride ourselves on staying connected with our customers throughout the lifecycle of their instrument and application. Many of our customers share their experiences with us.

Fill in the form to stay up-to-date about latest studies and cases of OPT100.