Free INMR Online Lectures: Keep Up-to-Date with the Latest T&D Technologies & Service Experience


Starting this year, visitors to have been able to view from a growing library of online lecture videos on some of today’s key topics in transmission and distribution. These lectures each last from 15 to 25 minutes and are presented by leading international experts in their field.

Visit to view from a library that will grow to nearly 100 lectures over this year – of which many are already available for immediate viewing. New INMR Online Lectures are being added each week.

Among the interesting INMR Online Lectures already available for free-of-charge viewing at are:

Field & Laboratory Assessment of RTV-Coated Insulators in Harsh Desert Environments

Braced Line Post Test Considerations

Interesting Aspects of Specialty Cables with Silicones 

Mechanical Tests of Cable Leads & Arrester Bodies of Line Surge Arresters

Testing Experience on Extruded Cable Systems up to 525 kV DC

Shear Bolt Connector Technology: Reliability & Failure Modes

Laboratory Evaluation of Insulators Returned from Field

Long Time Evaluation of Cable Joints in Water

Silicone Gel: More Than Gap Filler

EPRI’s RF Sensor Suite

Developments to Watch in HV Surge Arresters

Specialized Software for Electrical Design of Overhead Lines

Surge Arrester Considerations in Microgrids

Application of Surge Arresters in MV/HV Capacitor Bank Protection

Sheath Voltage Limiter Failure from Improper Bonding of Cable Sheaths

Application of Surge Arresters in Mitigating Breaker Transient Recovery Voltage

Pollution Performance of Composite Hollow Core Insulators with HTV LSR Housings

Protecting Neutral Terminals of Power Transformers in Distribution Substations

Maximizing and Validating Ultimate Capacity in High Strength Applications

Adding Intelligence to Ceramic Insulators

Requirements and Challenges in Technology and Application of HV Cable Joints

Optimizing a HV Joint to Withstand High Short-Circuit Current Faults

Replacing Insulators on Ageing Long Span Lake Crossing

Experience Applying Surge Protection at Hydro One

Operating a Test Station in a Polluted Environment

Development of HV Live Line Testers for Porcelain Insulators Using LoRa Communication 

Best Practice in Lightning Protection of Distribution Lines

Future Challenges for Cable Accessories in MV Networks

Optimizing Design and Materials for High Voltage Transmission Applications

Porcelain Insulators Under Cyclic Loading

Selection of Optimal Outdoor Insulation for Refurbishment of 400 kV Substation Under Coastal Pollution

Rod to Housing Adhesion in Composite Insulators – Practical Evaluation in Collaboration with Utilities

Application of Station Posts

Reliability of HVDC Cable Joints – Today and Future Challenges

Lessons from 20 Years’ Experience with Composite Insulators on Transmission Lines

Longitudinal Loading: Fact Versus Myth

Application of Interphase Spacers to Transmission Systems

Corona and Infrared Inspections of Power Lines

Performance of RTV-Coated Toughened Glass Insulators in Zones of High Contamination

Transmission Structures for Reduced Cost and Increased Public Acceptance

Cable Accessory Technologies – Current Situation and Developments to Watch

Overview of Impact and Mitigation of Icing on Power Network Equipment – Insulator Icing Flashover

Innovative Compact Line Design – Reducing Clearances by Integrating EGLAs on HV Transmission Lines 

Braced Line Post Testing Considerations

Research and Experience with Coatings on Glass Insulators and Conductors

Damped AC for Commissioning & Diagnostic Testing of HV Cables Circuits

Progress on Revision of IEC 60383

Arrester Installations on ATC System: What Was Done Right & Further Improvements

Asset Replacement Strategies in Ageing Grids

Optimal Insulator Type & Dimensioning in Harsh Service Environments

Arrester Protection of Lower Voltage Circuits on Multi-Voltage Towers: Issues & Opportunities

Silicone Gel: More Than Gap Filler

Specifying RTV Silicone Coatings For Overhead Transmission Lines

Biofouling on Outdoor Insulation

Cases of Non-Standardized Testing

HV Cable Accessories: Enablers to Restore and Recover Cable Systems 

Ageing of Polymer Insulators: Development of Small-Scale Corona Ageing Chamber

Practical Field Inspection & Condition Assessment of Transmission Insulators

Hybrid Insulators for Distribution Lines: Advantages & Application Experience 

Experience from Digital T&D Equipment Testing

Dust & Sea Salt Pollution Mapping: Satellite versus Ground Truth Results

Development & Application of Polymeric Surge Arresters for Transmission Lines

External Insulation Alternatives for EHV and UHV Bushings

Design Rules for Long Term Reliability of Composite Insulator Strings

Synthetic Dry-Type Bushings Applied to HV Power Transformers

Effect of Cooling Towers on Outdoor Insulation at Power Substations

Methodology and Mitigation of Lightning Induced Arcing to Pipeline Hazard

Advanced Coatings for Insulators & Conductors – Overview of EPRI Research

Efficient Simulation of Electric Line Parameters for Cables 

Self-Cleaning Properties of Molded Super-Hydrophobic Silicone for High Voltage Insulators

Advantages of Silicones in T&D Applications

Protecting Neutral Terminals of Power Transformers in Distribution Substations 

Smart Solutions for Insulator Condition Monitoring

The Global Transmission & Distribution Investment Cycle

Using Line Arresters to Optimize Structure Design of 500 kV AC Transmission Line

Lessons from 25 Years Testing Polymeric Insulators

Application of 400 kV Interphase Spacers

Surge Arrester Sizing for SubTransmission Systems Using Grounding Transformers 

Manufacturing Quality of Toughened Glass Insulators

Mechanical Testing of Connection Leads for Transmission Line Arresters

Using Grid Analytics to Evaluate Lightning Protection

Benefit of Line Surge Arresters & Advantages of EGLAs

Thermally Diffused Galvanizing

Harmonizing IEC and IEEE Arrester Standards