John M Williamson
J Williamson Engineering Inc provides engineering consulting services specializing in
power system grounding and lightning protection.
Engineering services include lightning performance mitigation, grounding system design and field testing
John Williamson has over 30 years of experience with grounding related problems. In the last 10 years, his successful application of transmission line surge arresters to improve transmission line lightning performance has been recognized internationally.
In 2009, CEATI International held the first meeting of a new Grounding and Lightning Task Force (GLTF) in Montreal with John Williamson as the technical advisor. Through his vision and guidance this international group of grounding experts has grown significantly and untaken many important grounding and lightning projects.
J Williamson Engineering Inc offers world class software and test equipment along with experience and networking opportunities across North America.
Safe Engineering Services & Technologies ltd. (SES) offers the most powerful grounding analysis software packages in the industry.
J Williamson Engineering is a licensed owner of Multi-GroundZ+ software which is part of the CDEGS family
Sigma SLP software is utilized to model the transmission line parameters and optimize the lightning performance of a transmission line.
SSH software is used for the optimization of high voltage substation direct lightning stroke protection system.
Field testing of grounding systems are be completed to verify the design model and the overall safety of the grounding system. Testing of a substation grounding system includes measurement of ground impedance, current split, Step/Touch voltages and resistance of buried connections.