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Oil Tan Delta: concepts, standards and testing
An application note that looks at testing insulating oil.
Published: 25 May 2017
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Circuit Breaker and Transducer: Where do I connect?
This paper will illustrate common best practices that simplify the installation of transducers and will explain the minimum amount of information required for a test plan to obtain meaningful results.
Published: 20 March 2017
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IEC 61850 GOOSE Interoperability
GOOSE messaging can today be considered a working technology. In order to commission substations with the new IEC 61850 technology, there is need to use some new tools and methods. The key for these tools and methods is, paradoxically, implicitly available in the IEC 61850 standard itself.
Published: 16 March 2017
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Current transformer testing with SVERKER900
This application note gives examples on how to perform some typical tests on current transformers (CTs) with SVERKER 900. These tests are common to perform for instance during commissioning.
Published: 13 March 2017
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Guide to transformer winding resistance measurements
Measuring a transformer's DC resistance from one external terminal to another can reveal a great deal of information about the transformer. In addition to the obvious faulted winding (i.e., an open winding or shorted turn), more subtle problems can be detected.
Published: 13 March 2017
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Testing electric vehicle supply equipment
Most installations require an additional connection to ground at the charging point, so that there is still a form of protection under fault conditions. This connection would be made by an earth spike/electrode driven into the ground.
Published: 8 March 2017
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Using battery test equipment with asset management software
Lost data records can be a problem for major power utilities. Using the right test equipment with modern asset management software can help to ensure that consumers are never without power.
Published: 21 February 2017
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Wind turbine test leads for low resistance ohmmeter
Robust test leads have been specially designed for low resistance testing of wind turbines. The new leads lead to more accurate and repeatable results.
Published: 21 February 2017
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With extreme care and a suitably qualified person, circuit breaker test sets can perform online condition assessments
First trip analysis is a crucial tool to anticipate faults before they become critical, and to minimise disruption. Today’s circuit breaker analysers are very versatile. They can be configured to suit specific requirements, ensuring that users never pay for features they don’t need.
Published: 21 February 2017
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Working with fault monitors
A look at testing DC bus systems using the BGL/BGFT.
Published: 21 February 2017
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  • Showing item(s) 1 - 10 of 99 in total