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COVID-19 Coronavirus: Customer update

We are all constantly adapting to the impacts related to COVID-19 pandemic, particularly as the situation continues to rapidly evolve, requiring us to review new information and respond accordingly each day in order to keep our employees, customers, partners, and communities safe.

We want to reassure you that we are doing everything in our power to allow you to continue business as usual.  One of Megger’s greatest strengths is our people, who are committed to providing our customers with the service and support that they need to maintain the reliability of their power systems and critical assets.

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COVID-19 Coronavirus

COVID-19 Coronavirus: statement to our customers

Megger would like to inform our customers and business partners that areas of our business have the potential to be affected by restricted travel and trade as a consequence of the COVID-19 coronavirus.

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Transformer Winding Resistance Measurement: Field Challenges

Megger’s article “Transformer Winding Resistance Measurement: Field Challenges” was presented at the 2020 NETA PowerTest Conference in Chicago, Il. This article takes an in-depth look at the lesser known facts associated with the DC winding resistance (WR) measurements, diving deeper into topics such as selection of the correct test current, and the importance of compliance voltage during the test. Phenomena as core saturation, current stabilization, the influence of winding inductance on readings, and the effect of temperature, are also explained.

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Article Cover

Transformer Turns Ratio Test: Some Unknown Facts

Megger’s article “Transformer Turn Ratio Test: Some Unknown Facts” was presented at the 2020 NETA PowerTest Conference in Chicago, Il.  This article takes an in-depth look at the transformer turns ratio test, some of the challenges associated with interpreting test results, and unknown facts related to test variables.

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Narrow Band DFR

Expanding the Diagnostic Impact of Power Factor Testing

NBDFR provides an earlier indication of problems over line frequency PF due to its extreme sensitivity to small changes in insulation condition at lower frequencies, where the effects of moisture and oil conductivity are most visible. 

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Georgia Power makes the SMRT choice with Megger

Power utility companies operate nationally important critical infrastructure and thus face considerable regulatory compliance issues. Testing power system elements like relays and current transformers under these rules is a time consuming and costly operational expenditure. In a bid to streamline its testing operation, Georgia Power deployed new relay test sets from Megger. For their test engineers, the results speak for themselves.

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Power Diagnostix

Megger Acquires Power Diagnostix

Global electrical test equipment expert Megger has acquired Power Diagnostix of Aachen, Germany, a leader in the development and manufacture of high voltage diagnostic equipment, and in the provision of diagnostic services for high voltage installations.

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DFR Transformer

DFR: A New IEEE Guide for Field Test on Power and Distribution Transformers

Since the invention of the transformer, the design, quality and efficiency of this magnificent machine has been improved thanks to the development of electromagnetic materials, computer design algorithms, insulation materials, cooling systems, structural design, etc. Nowadays, a vast number of transformers operate worldwide aiming to provide reliable and safe operation under the most cumbersome environmental and operational conditions.

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MTO106

Megger makes winding resistance straightforward

Fast in operation and easy to use, Megger’s new MTO106 transformer ohmmeter has been developed specifically to provide an affordable yet accurate and reliable option for measuring DC winding resistance in smaller distribution and transmission power transformers. The instrument is compact and readily portable – it weighs just 16 lb (7.3 kg) – and, with the lid closed, it has an IP67 ingress protection rating, which means it can be shipped without further protection.

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Baker Instruments integration progressing smoothly

Baker Instruments integration progressing smoothly

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