Instrumentation

Though recent tan-delta test sets in the market, which are widely used to assess insulation in high-voltage electrical apparatus, combine versatility with convenience, there is room for further improvement. - Vince Oppedisano

Rishabh is having the complete basket of low tension current transformers manufactured in a world class CT manufacturing setup consisting of an automatic testing facility for all CTs with a printed Test Certificate...- Santosh R. Bhangale

TRAX is not just another multi-functional test instrument, but rather many intelligent instruments built into one box. The software includes a number of apps, making it fast and easy to perform a large range of different tests. The hardware offers unmatched flexibility and the range of cables and accessories adding even more flexibility, making the TRAX an efficient and time saving system for any user in the world...

Commissioning tests and periodic on-site maintenance checks are essential for the safe and outage-free operation of power transformers and substations. A combination of routine...

The transformer differential application presents several challenges and numerous features are employed in relay algorithms to compensate for these challenges. As a result, developing...

This article describes an innovative solution to test current transformers at all lifecycle stages by using a sophisticated testing method known as “the modeling concept”.

A significant proportion of failures in electrical devices result from the deterioration of insulation. The implementation of routine, straightforward tests, along with prompt maintenance...

To prove that the transformer meets customer’s specifications and design expectations, the transformer has to go through different testing procedures in manufacturer premises... - D A Suthar

According to a recent report by Transparency Market Research, the instrument transformers market was estimated to have acquired US$ 4.7 billion in 2022. It...

For certain kinds of measurements, even today, we need  to know the correct polarity of the primary and secondary windings in current transformers... - K Sivakumar

To aid in the organization of a corporate or personal library, Megger is introducing a comprehensive series of Transformer Life Management bulletins that broadly cover the fundamentals of managing the life of a transformer...

“OMICRONs CMC test sets are not only a solution for testing protective relays and distribution automation schemes, they enable the user to benefit from a broad range of synergies.” - Cord Mempel, Klaus Jotz

- The article is authored by Dr Iyad Al-Attar Dr Iyad Al-Attar is a Mechanical Engineer, and business innovator. He is also a Visiting Academic...

Over the service life of a voltage/potential transformer, various tests are useful for ensuring safety, quality, and operation that fall in line with the specifi cations.

Temperature monitoring using advanced diagnostic thermal imaging cameras can increase reliability of distribution networks.

WearCheck is one of the leading condition monitoring specialists on the African continent, offering a vast range of reliability solutions and services across various...

There is only one instrument to unpack, power up and configure; the same cable set is used for a whole range of measurements, so the connections only need to be made once; and, when carrying out a range of tests, users of multifunction instruments move quickly and easily from app to app, rather than having to go from instrument to instrument... - Peter Fagerström

AccuLoss is a complete three-phase transformer measuring system designed for power frequency testing and calibration of medium and large power transformers, large motors and turbines.

This article illustrates the thermal behaviour of transformer with respect to the temperature rise test – and also discusses various factors that influence the test results. The article is also focusing on the causes for transformer failure and with certain remedies to overcome them... - S. Arjuna Rao, G. Girija, Manikandan N, Swaraj Kumar Das

The versatility and performance of Current Transformers (CTs) mean that many of the instruments used for testing and diagnostics of electrical insulation and earthing can be made smaller, lighter, safer, more reliable and less expensive... - Dr Stan Zurek