Transformatordag 2023

Power plant
Fletcher Hotel
Doorwerth, Netherlands
Power Generation and Transmission
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Come and meet us at Transformatordag 2023 organized at Fletcher Hotel Doorwerth in the Netherlands.

Our experts as well as representatives of our local distributor Flux Transformer Services, FTS will be happy to discuss our solutions for online monitoring for power transformers. 

Read about Transformatordag 2023.

Fletcher Hotel Doorwerth
Kabeljauwallee 35
6865 BL Doorwerth, NL

Meanwhile you may want to learn more on Vaisala solutions below.

Benefits of Vaisala’s DGA Monitoring Technology

Stability

High gas extraction rate, novel vacuum IR reference method and patented autocalibration leads to more reliable results and excellent long-term stability.

Long Lifetime

Maintenance free operation through robust design and hermetic metal structure of the oil and gas handling system. No moving parts in the optical IR measurement module. No consumables and no gas cylinders.

Out of the Box Performance

Online DGA monitoring provides real time view of the transformers condition. Enabling corrective actions taken on time.
Power Transformer

Download New Edition of Power eBook

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

Get access now

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
Power transformer switchgear

Power transformers eBook

See for yourself how you can help prevent transformer failure with the help of Vaisala solutions and technologies.
Senja Leivo

Meet the expert: Senja Leivo

Senja is the Senior Industry Expert at Vaisala, specializing in the condition monitoring of power transformers. With 25 years of international industrial experience, she plays a crucial role in integrating customer feedback into R&D. She’s been a key contributor to the development of Vaisala’s multi-gas DGA monitor.

An experienced speaker at industry conferences, Senja actively engages in international research collaborations, e.g. CIGRE and IEC working groups, and other initiatives focused on transformer condition assessment. Senja is also the Convenor of the new CIGRE JWG A2/D1.74 – Online moisture monitoring of transformers for ageing assessment.

Mundo do DGA

Download white paper: The world of DGA - and its uncertainties

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.

Vaisala Humicap sensor structure

Uniquely robust sensors

Vaisala’s HUMICAP® were the first ever capacitive sensors used to measure moisture in oil online, and have since become a virtual industry standard. 

The sensors have specifically been developed to measure even very low moisture levels in oils — mineral, vegetable and synthetic. The HUMICAP® sensors, manufactured in Vaisala’s own cleanrooms, have seen use in all corners of the Earth and even Mars.

Get all the gains

Robust reliability

Accurate water saturation and PPM measurements in rapidly changing conditions. All equipment comes with NIST or Accredited calibration and is field calibratable. No moving parts in transmitters.

Long-term stability

Thin film polymer sensor designs protect from contamination and are highly selective to water only . Capacitive technology provides long term stable measurement. Insensitive to additives or contaminants in oil. Auto-recovery from full saturation.

Rapid Response

In situ, real time measurement of moisture in oil as true relative saturation (%RS). Eliminates need for sampling and lab analysis for moisture. Easy installation via ball valve. Installable even in energized transformers.

Related Products for Moisture in Oil

MMT162 Compact Moisture in Oil and Temperature Transmitter for OEM Applications

Moisture and Temperature Transmitter for Oil MMT162

Excellent economical solution for reliable on-line detection of moisture in oil even in the most demanding applications. The sensor’s excellent chemical tolerance provides accurate and reliable measurement over the measurement range.
MMT310 Series Moisture and Temperature Transmitters for Oil

Moisture and Temperature Meter Series MMT310

Vaisala HUMICAP® Moisture and Temperature Transmitter Series MMT310 is a fast and reliable on-line detector for moisture in oil. Used in for applications such as e.g. monitoring of transformer oil and of lubrication systems in marine and paper industry.