Investigation of fault activity on a 132kV teed circuit in Scotland
How Travelling Wave Technology Is Locating the Fault Site

Scottish and Southern Energy (SSE) is responsible for generation, transmission and distribution of electricity in

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Serveron acetylene hot metal gases
Serveron – Acetylene: Hot Metal Gases

A Qualitrol Serveron TM8 monitor was installed on a transmission transformer at a US utility

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Serveron hour by hour changes catching a developing fault
Serveron – Hour by Hour Changes, Catching a Developing Fault

A Qualitrol Serveron TM8 mutli-gas DGA monitor was being used to monitor a singlephase 336

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Serveron the importance of measuring oxygen in DGA
Serveron – The Importance of Measuring Oxygen In DGA

A Qualitrol Serveron TM8 mutli-gas DGA device was monitoring an old (30+ years) 3-phase 230kV

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Application of UHF PD detection for dead tank circuit breakers case study
Application of UHF PD Detection for Dead Tank Breakers (DTB)

Ultra High Frequency (UHF) partial discharge measurements are common practice for Gas Insulated Switchgear for

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State of the art transformer bushing monitoring case study
State of the Art Transformer Bushing Monitoring

Transformer bushings are one of the most critical components of a transformer. Up to 20%

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Automation overview concepts power generation transmission distribution case study
Automation Overview and Concepts in Power Generation, Transmission and Distribution

The Situation – Americas Electrical Utility Industry: Ageing and inadequate T&D infrastructure. Focus on renewable

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Online bushing monitoring parameter challenges case study
Online Bushing Monitoring Parameter Challenges

Conclusions around bushing monitoring balanced current method, reference signal method, phase shift method and other

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Correlative analyses for transformer health assessment case study
Correlative Analyses for Transformer Health Assessment

Current Industry Trends: Deregulation changed the face of the energy market. Generation, transmission and distribution

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Amplitude considerations for transformer UHF partial discharge measurements case study
Amplitude Considerations for Transformer UHF Partial Discharge Measurements

Economic Environment – The Challenges: Smart Grid technologies and alternative electrical energy generation. Deregulated energy

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State of the art gas insulated switchgear condition monitoring case study
State of the Art Gas Insulated Switchgear Condition Monitoring and Experiences in GIS Monitoring For Over 20 Years

GIS condition monitoring as an economical benefit, to prevent failure and to increase maintenance intervals.

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A new approach for transformer bushing monitoring case study
A New Approach for Transformer Bushing Monitoring

The latest transformer statistics show that bushings failures account for 17% of the total failure

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