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March 2012

The Doble Exchange - March Edition

• Practical Surveying to Detect Partial Discharge
• Substation Surveillance: Using RFI and Complementary EMI Detection Techniques
• Surge Arrester Assessment: Considerations When Increasing Operating Voltage
• Client Services Spotlight: AskDoble Forum
   

February 2012

The Doble Exchange - February Edition

• Substations - the Heart of the Smart Grid
• Application Note - DGA and the Doble Delphi
• On-Line Diagnostic Case Study of a Type U Bushing
• Moisture-in-Oil: Capabilities of Continuous Moisture-in-Oil Monitoring

January 2012
 

The Doble Exchange - January Edition

• Apparatus Testing in Poor Weather Conditions
• Transformer Failure Analysis: 500 KV GSU Failure due to Air Bubble Formation
• Frequency Response Analysis of Transformers: Visualizing Physics Behind the Trace
• Partial Discharge Diagnostics in Transformers

December 2011

The Doble Exchange - December Edition

• Sneak Peek: Conference Paper Preview
• Client Committees: Key Discussions on Technical Items
• Conference Tutorial: Sampling Oil, DGA and Interpretation
• Doble Events Spotlight: Client Conference Registration Now Open
• Hands-on Training: Specialized Training Sessions
• Upcoming Webinars

November 2011

The Doble Exchange - November Edition

• SF₆ Filled Circuit Breakers: Why test for Power Factor or Dissipation Factor
• Case Study: Gas Insulated Substations, Particles and the DFA500
• Dynamic Resistance Measurement: A Simplified Method for Determining High Voltage Circuit Breaker Contact Condition
• A Taste of New England and Technical Tours: IEEE Transformers Committee Members Visit Doble's Corporate Headquarters
• Upcoming Webinars

October 2011

The Doble Exchange - October Edition

• Insights Into Condition Based Maintenance
• Why Perform Design Review and Factory Inspections
• Transformer Condition Assessment in Practice
• Partial Discharge Detection in Transformers
• Saving Your Load Tap Changer from Failure
• Upcoming Webinars

September 2011

The Doble Exchange - September Edition

• Optimizing Isolated Phase Bus Maintenance with EMI Diagnostics
• How Well are Your Coupling Capacitors Measuring Partial Discharge?
• Power Factor Testing on High-Voltage Rotating Machines
• Software Update: SFRA Version 5.2
  

August 2011

The Doble Exchange - August Edition

• Science at Work: Inside the Doble Labs
• Hydrogen Sources Within a Transformer System
• Asset Health Reviews: Transformer Population or Group Study
   

July 2011

The Doble Exchange - July Edition

• Blackened Bushing Oil Investigation and Update
• By the Clients, For the Clients
       Client Committees: Past and Present
       Committee Discussions: Hot Topics
       Future Topics
• On-Line Bushing Tests Tutorial
• Spotlight on the 2011 EuroDoble Colloquium          
      

June 2011

The Doble Exchange - June Edition

• Learning more about Ground Distance Relays
• Doble Announces Protective Relay Seminar
• Product Application Notes
• Solutions Updates:
       Client Services for Protection & Control Testing
       Knowledge is Power: Learn with Doble
       Updated DTA Limit Files Now Available
       Software Release: Doble Protection Suite
   

May 2011

The Doble Exchange - May Edition

• A Letter from the Doble President 
• Highlights from the 2011 International Conference of Doble Clients
• New Solutions from Doble