Fault Current and the Effects on ClampStar®

November 11, 2012ClampStar,classic connectors,electric utility,line up-rates,shunt,conductor damage,dead end,deadend,IR Inspection,automatic splice repair,Burndy,compression connector,Hubbell,Education,Infrared thermography inspection,Fault Current,over head conductor power lines shunt,Splice repair uprate,Ohmstik,corrosion,plp,preformed line products,thomas & betts,thomas and betts,distribution line repair,power line repair,Transmission line repair,uprate power lineSurge Arrester

By Waymon Goch The terms fault and short circuit in electric power systems are frequently used interchangeably but there are slight differences. A fault can be defined as any abnormal flow of current whereas a short circuit is a current that completely…

by CCostanzo

Corona, RIV/TVI Testing Complete

November 11, 2012ClampStar,classic connectors,electric utility,line up-rates,Press Release,shunt,ClampStar News,conductor damage,dead end,deadend,IR Inspection,automatic splice repair,Burndy,compression connector,Hubbell,Infrared thermography inspection,Fault Current,over head conductor power lines shunt,Splice repair uprate,Ohmstik,corrosion,plp,preformed line products,thomas & betts,thomas and betts,distribution line repair,power line repair,Transmission line repairuprate power line,Surge Arrester

By Carl R. Tamm If your concept of corona is that it is commonly consumed with a slice of lime, you might wish to read a bit more about issues in our industry that differ slightly from that concept! Fair weather radio and television interference (RIV and…

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Important Facts You Need To Know About Surge Arrester Currents

September 4, 2012ClampStar,classic connectors,electric utility,line up-rates,shunt,conductor damage,dead end,deadend,IR Inspection,automatic splice repair,Burndy,compression connector,Hubbell,Education,Infrared thermography inspection,Fault Current,over head conductor power lines shunt,Splice repair uprate,Ohmstik,corrosion,plp,preformed line products,thomas & betts,thomas and betts,distribution line repair,power line repair,Transmission line repair,uprate power lineSurge Arrester

Surge Arrester Currents By Waymon P. Goch Discharge current is the surge current that flows through a surge arrester during discharge of an overvoltage surge (and discharge voltage is the voltage that appears across the terminals of an arrester during…

by CCostanzo

Problem Connectors on Multiple Sub-Conductors

August 7, 2012ClampStar,classic connectors,electric utility,line up-rates,shunt,conductor damage,dead end,deadend,IR Inspection,automatic splice repair,Burndy,compression connector,Hubbell,Education,Infrared thermography inspection,Fault Current,over head conductor power lines shunt,Splice repair uprate,Ohmstik,corrosion,plp,preformed line products,thomas & betts,thomas and betts,distribution line repair,power line repair,Transmission line repairuprate power line

By Carl R. Tamm If you have a line with two or more sub-conductors per phase, and during an infrared inspection, a scenario is found where one of the sub-conductors has a fitting that is hotter than the one next to it, the natural tendency is to assume…

by CCostanzo

Surge Arrester Lead Length Revisited

July 10, 2012ClampStar,classic connectors,electric utility,line up-rates,shunt,conductor damage,dead end,deadend,IR Inspection,automatic splice repair,Burndy,compression connector,Hubbell,Education,Infrared thermography inspection,Fault Current,over head conductor power lines shunt,Splice repair uprate,Ohmstik,corrosion,plp,preformed line products,thomas & betts,thomas and betts,distribution line repair,power line repair,Transmission line repairuprate power line

By Waymon P. Goch Surge arrester manufacturers always recommend that line and ground leads be as short and straight as possible in all surge arrester applications. Why? The primary reason is inductive surge impedance. The selection of the best surge…

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Avoiding Splice Failures

June 13, 2012ClampStar,classic connectors,electric utility,line up-rates,shunt,conductor damage,dead end,deadend,IR Inspection,automatic splice repair,Burndy,compression connector,Hubbell,Education,Infrared thermography inspection,Fault Current,over head conductor power lines shunt,Splice repair uprate,Ohmstik,corrosion,plp,preformed line products,thomas & bettsthomas and betts

By Lisa Nelson, EDM International, Inc. One of the primary root causes for splicing failures is poor cleaning of aluminum strands prior to compression.   The Electric Power Research Institute has developed technology that enables line crews to properly…

by CCostanzo

Corrosion and Splices

May 30, 2012ClampStar,classic connectors,electric utility,line up-rates,shunt,conductor damage,dead end,deadend,IR Inspection,automatic splice repair,Burndy,compression connector,Hubbell,Education,Infrared thermography inspection,Fault Current,over head conductor power lines shunt,Splice repair uprate,Ohmstik,corrosion,plp,preformed line products,thomas & bettsthomas and betts

By Waymon P. Goch Worldwide, the annual cost of corrosion is $2.2 trillion (US); and is currently estimated to be $429 billion (US) annually in the United States.(1) Corrosion that results in failure of aircraft, pipelines, bridges and other critical…

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Inner Workings of an Automatic Splice and Using ClampStar as a Safety Tool

May 17, 2012ClampStar,classic connectors,electric utility,line up-rates,conductor damage,dead end,deadend,IR Inspection,automatic splice repair,Burndy,compression connector,Hubbell,Education,Infrared thermography inspection,Fault Current,over head conductor power lines shunt,Splice repair uprateOhmstik

By, Carl R. Tamm ClampStar is used as a tool by several utilities as a “safety” when performing line work on a conductor that contains an automatic splice in the span. As a work method precaution, many utilities require the crew to install a “safety”…

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DO YOU KNOW THE CONDITION OF YOUR SPLICES?

April 17, 2012ClampStar,classic connectors,electric utility,line up-rates,conductor damage,dead end,deadend,IR Inspection,automatic splice repair,Burndy,compression connector,Hubbell,Education,Infrared thermography inspection,Fault Current,over head conductor power lines shunt,Splice repair uprateOhmstik

Joe Renowden, Consulting Engineer (Article provided by SensorLink) Why would that question be important when industry wide there have been relatively few failures? The answer is: The risk of failure can’t be managed until the splice’s condition is…

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Do You Change the Tires on the Family Auto?

April 3, 2012ClampStar,classic connectors,electric utility,line up-rates,power lines,shunt,Splice repair,uprate,over head conductor,Alabama Power,automatic splice repair,Burndy,compression connector,HubbellEducation

By, Carl Tamm Most of us gray haired guys well remember the advent of radial belted tires!  There was significant skepticism initially, as some of the early models wound up with bulging “pump knots” on the sidewalls, but eventually the problems were…

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