AccuLoss Loss Measurement System
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.
Capacitance & Tan Delta Measurement of POWER TRANSFORMERS
A significant proportion of failures in electrical devices result from the deterioration of insulation. The implementation of routine, straightforward tests, along with prompt maintenance...
System-based Transformer Protection Testing
The transformer differential application presents several challenges and numerous features are employed in relay algorithms to compensate for these challenges. As a result, developing...
Embrace The Power Of The Tiny Revolution
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...
Saving Time in Generating Perfect Inspection Reports
WearCheck is one of the leading condition monitoring specialists on the African continent, offering a vast range of reliability solutions and services across various...
LOAD TAP CHANGERS (LTC) Assess LTC Health With Thermal Imaging
If an LTC fails, the entire transformer will shut down. Transformer failures can cost your utility millions of dollars, adding overtime pay for workers...
A CASE STUDY: EFACEC
Carlos Carvalho, Director of Technology at EFACEC, discusses the benefits of software modelling in the design and test of transformers.
GAS TURBINES THE HEART OF POWER GENERATION
- 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...
Achieving maximum efficiency during testing
This article describes the different testing challenges per asset and shows the possibility how to achieve a higher efficiency using an optimised testing approach. - Christian Enk, Martin Pfanner
Transformer condition assessment with an integrated test van
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...
Distribution Transformer Inspections
Temperature monitoring using advanced diagnostic thermal imaging cameras can increase reliability of distribution networks.
Why not use the synergies?
“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
Innovative Current Transformer Testing
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”.
Why you should check your voltage/potential transformers
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.
Advance Energy Efficient Transformers Testing
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
Moving forward with tan-delta high voltage insulation testing
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
Thermal Performance Of Distribution Transformers
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
CTs In Electrical Diagnostics
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
Significance of Polarity in Current Transformers
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
Easing Multi-function Testing
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
