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<br /> Print Post Approved PP 424022/1099<br /> -ARM@CP<br /> "CACK@CP<br /> <br /> <br /> PARTIAL DISCHARGE '#<br /> LOCATING PARTIAL DISCHARGE<br /> IN OUTDOOR SWITCHYARDS<br /> Detecting partial discharge in outdoor switchyards has long been a safety concern, particularly<br /> for instrument transformers at high operating voltages. The first sign of a problem in outdoor<br /> switchyards can be a sudden, catastrophic failure of high-voltage equipment.<br /> By Charles Williamson, EA Technology Australia,<br /> Bob Owen, Russell Clayman, Neil Davies, EA Technology Limited, UK<br /> A<br /> new instrument has been developed to detect and locate<br /> emerging partial discharge (PD) in outdoor equipment<br /> by sensing emissions in the UHF frequency band. The<br /> instrument can make an important contribution to the safe entry<br /> into, and work within, outdoor substations at all ope<a title="Industrial Electrix Oct-Dec 2012 page 1" href="http://viewer.zmags.com/publication/a150d5eb?page=1"> Print Post Approved PP 424022/1099 -ARM@CP "</a> <a title="Industrial Electrix Oct-Dec 2012 page 2" href="http://viewer.zmags.com/publication/a150d5eb?page=2"> </a> <a title="Industrial Electrix Oct-Dec 2012 page 3" href="http://viewer.zmags.com/publication/a150d5eb?page=3"> PARTIAL DISCHARGE '# LOCATING PAR</a> <a title="Industrial Electrix Oct-Dec 2012 page 4" href="http://viewer.zmags.com/publication/a150d5eb?page=4"> '#TABLE OF CONTENTS EARTHING: THE GREAT UNKNO</a> <a title="Industrial Electrix Oct-Dec 2012 page 5" href="http://viewer.zmags.com/publication/a150d5eb?page=5"> '# LIGHTING TECHNOLOGIES 28 – 33</a> <a title="Industrial Electrix Oct-Dec 2012 page 6" href="http://viewer.zmags.com/publication/a150d5eb?page=6"> '#PARTIAL DISCHARGE Continued from page 1 THE </a> <a title="Industrial Electrix Oct-Dec 2012 page 7" href="http://viewer.zmags.com/publication/a150d5eb?page=7"> '# sound which can be very useful in de</a> <a title="Industrial Electrix Oct-Dec 2012 page 8" href="http://viewer.zmags.com/publication/a150d5eb?page=8"> '#PARTIAL DISCHARGE WIRELESS MEA</a> <a title="Industrial Electrix Oct-Dec 2012 page 9" href="http://viewer.zmags.com/publication/a150d5eb?page=9"> '# ON-LINE TRANSFORMER PARTIAL DISCHARGE MONIT</a> <a title="Industrial Electrix Oct-Dec 2012 page 10" href="http://viewer.zmags.com/publication/a150d5eb?page=10"> '#MOTORS & DRIVES TECHNOLOGICAL DEVELOPMENTS IN</a> <a title="Industrial Electrix Oct-Dec 2012 page 11" href="http://viewer.zmags.com/publication/a150d5eb?page=11"> </a> <a title="Industrial Electrix Oct-Dec 2012 page 12" href="http://viewer.zmags.com/publication/a150d5eb?page=12"> '#MOTORS & DRIVES Continued from page 8 </a> <a title="Industrial Electrix Oct-Dec 2012 page 13" href="http://viewer.zmags.com/publication/a150d5eb?page=13"> '# Fitting of sintered drain plug is based on </a> <a title="Industrial Electrix Oct-Dec 2012 page 14" href="http://viewer.zmags.com/publication/a150d5eb?page=14"> '#EARTHING EARTHING: THE GREAT UNKNOWN Earthing </a> <a title="Industrial Electrix Oct-Dec 2012 page 15" href="http://viewer.zmags.com/publication/a150d5eb?page=15"> '#'# The l</a> <a title="Industrial Electrix Oct-Dec 2012 page 16" href="http://viewer.zmags.com/publication/a150d5eb?page=16"> '#ELECTRICITY IN MINING ELECTRICAL ENGINEERING</a> <a title="Industrial Electrix Oct-Dec 2012 page 17" href="http://viewer.zmags.com/publication/a150d5eb?page=17"> We may look different but we're still the sa</a> <a title="Industrial Electrix Oct-Dec 2012 page 18" href="http://viewer.zmags.com/publication/a150d5eb?page=18"> '#ELECTRICITY IN MINING NEAR-FUTURE WIRELESS </a> <a title="Industrial Electrix Oct-Dec 2012 page 19" href="http://viewer.zmags.com/publication/a150d5eb?page=19"> '# co</a> <a title="Industrial Electrix Oct-Dec 2012 page 20" href="http://viewer.zmags.com/publication/a150d5eb?page=20"> '#ELECTRICITY IN MINING THE POWER OF REMOTE C</a> <a title="Industrial Electrix Oct-Dec 2012 page 21" href="http://viewer.zmags.com/publication/a150d5eb?page=21"> </a> <a title="Industrial Electrix Oct-Dec 2012 page 22" href="http://viewer.zmags.com/publication/a150d5eb?page=22"> '#ELECTRICITY IN MINING ROUTINE CHECKING AND </a> <a title="Industrial Electrix Oct-Dec 2012 page 23" href="http://viewer.zmags.com/publication/a150d5eb?page=23"> Provides reliable and accurate test results in no</a> <a title="Industrial Electrix Oct-Dec 2012 page 24" href="http://viewer.zmags.com/publication/a150d5eb?page=24"> '#ELECTRICITY IN MINING Continued from page 20 </a> <a title="Industrial Electrix Oct-Dec 2012 page 25" href="http://viewer.zmags.com/publication/a150d5eb?page=25"> 2ND ELECTRICAL SAFETY IN THE RESOURCES SECTOR T</a> <a title="Industrial Electrix Oct-Dec 2012 page 26" href="http://viewer.zmags.com/publication/a150d5eb?page=26"> '#ELECTRICITY IN MINING HEAVY DUTY LED WORK L</a> <a title="Industrial Electrix Oct-Dec 2012 page 27" href="http://viewer.zmags.com/publication/a150d5eb?page=27"> </a> <a title="Industrial Electrix Oct-Dec 2012 page 28" href="http://viewer.zmags.com/publication/a150d5eb?page=28"> '#ELECTRICITY IN MINING VOLTAGE SUPPORT AND HA</a> <a title="Industrial Electrix Oct-Dec 2012 page 29" href="http://viewer.zmags.com/publication/a150d5eb?page=29"> '# THERMAL IMAGING CAMERA Offers versati</a> <a title="Industrial Electrix Oct-Dec 2012 page 30" href="http://viewer.zmags.com/publication/a150d5eb?page=30"> '#LIGHTING TECHNOLOGIES Coolon's StaticRetro</a> <a title="Industrial Electrix Oct-Dec 2012 page 31" href="http://viewer.zmags.com/publication/a150d5eb?page=31"> '# Coolon TunnelLED covered in salt deposits</a> <a title="Industrial Electrix Oct-Dec 2012 page 32" href="http://viewer.zmags.com/publication/a150d5eb?page=32"> '#LIGHTING TECHNOLOGIES LED LIGHTING With a ver</a> <a title="Industrial Electrix Oct-Dec 2012 page 33" href="http://viewer.zmags.com/publication/a150d5eb?page=33"> '# A GUIDE TO LED QUALITY LED products are s</a> <a title="Industrial Electrix Oct-Dec 2012 page 34" href="http://viewer.zmags.com/publication/a150d5eb?page=34"> '#LIGHTING TECHNOLOGIES LED LIGHTING & ENERGY</a> <a title="Industrial Electrix Oct-Dec 2012 page 35" href="http://viewer.zmags.com/publication/a150d5eb?page=35"> '# For areas such as loading docks, car park e</a> <a title="Industrial Electrix Oct-Dec 2012 page 36" href="http://viewer.zmags.com/publication/a150d5eb?page=36"> '#INDUSTRIAL AUTOMATION INTERNET ACCESS IN A </a> <a title="Industrial Electrix Oct-Dec 2012 page 37" href="http://viewer.zmags.com/publication/a150d5eb?page=37"> '#'# INDUSTRIAL AUTOMATION PAST, PRESENT AND F</a> <a title="Industrial Electrix Oct-Dec 2012 page 38" href="http://viewer.zmags.com/publication/a150d5eb?page=38"> '#The Engineering Philosophies of Dick Morley T</a> <a title="Industrial Electrix Oct-Dec 2012 page 39" href="http://viewer.zmags.com/publication/a150d5eb?page=39"> '# EQUAL MAGNETIC PROPERTIES At the time, </a> <a title="Industrial Electrix Oct-Dec 2012 page 40" href="http://viewer.zmags.com/publication/a150d5eb?page=40"> '#INDUSTRIAL AUTOMATION A COMPARISON OF OUTCOM</a> <a title="Industrial Electrix Oct-Dec 2012 page 41" href="http://viewer.zmags.com/publication/a150d5eb?page=41"> '# DIGITAL CONNECTIVITY PHYSICAL LAYERS Ian V</a> <a title="Industrial Electrix Oct-Dec 2012 page 42" href="http://viewer.zmags.com/publication/a150d5eb?page=42"> '#INDUSTRIAL AUTOMATION Continued from page 39 </a> <a title="Industrial Electrix Oct-Dec 2012 page 43" href="http://viewer.zmags.com/publication/a150d5eb?page=43"> '# may be converted from class 4 to class 3 by</a> <a title="Industrial Electrix Oct-Dec 2012 page 44" href="http://viewer.zmags.com/publication/a150d5eb?page=44"> '#INDUSTRIAL AUTOMATION Continued from page 41 </a> <a title="Industrial Electrix Oct-Dec 2012 page 45" href="http://viewer.zmags.com/publication/a150d5eb?page=45"> '# competing wireless standards on the market </a> <a title="Industrial Electrix Oct-Dec 2012 page 46" href="http://viewer.zmags.com/publication/a150d5eb?page=46"> '# WHEN IS AN ENGINEER NOT AN ENGINEER? WHAT I</a> <a title="Industrial Electrix Oct-Dec 2012 page 47" href="http://viewer.zmags.com/publication/a150d5eb?page=47"> Switched on … new products </a> <a title="Industrial Electrix Oct-Dec 2012 page 48" href="http://viewer.zmags.com/publication/a150d5eb?page=48"> '#FUSE TECHNOLOGIES CURRENT-LIMITING FUSES IM</a> <a title="Industrial Electrix Oct-Dec 2012 page 49" href="http://viewer.zmags.com/publication/a150d5eb?page=49"> '# Figure 5 Transients in sys</a> <a title="Industrial Electrix Oct-Dec 2012 page 50" href="http://viewer.zmags.com/publication/a150d5eb?page=50"> '#FUSE TECHNOLOGIES WHEN IS A FUSE TOO OLD FO</a> <a title="Industrial Electrix Oct-Dec 2012 page 51" href="http://viewer.zmags.com/publication/a150d5eb?page=51"> SAFETY CONTROL & INSTRUMENTED </a> <a title="Industrial Electrix Oct-Dec 2012 page 52" href="http://viewer.zmags.com/publication/a150d5eb?page=52"> '#ARC FLASH MITIGATION REDUCING ARC ENERGIES </a> <a title="Industrial Electrix Oct-Dec 2012 page 53" href="http://viewer.zmags.com/publication/a150d5eb?page=53"> '# adjust the energy calculated at 18 i</a> <a title="Industrial Electrix Oct-Dec 2012 page 54" href="http://viewer.zmags.com/publication/a150d5eb?page=54"> '#ARC FLASH MITIGATION Continued from page 51 </a> <a title="Industrial Electrix Oct-Dec 2012 page 55" href="http://viewer.zmags.com/publication/a150d5eb?page=55"> '# AUTOMATION AND POWER WORLD AUSTRALIA </a> <a title="Industrial Electrix Oct-Dec 2012 page 56" href="http://viewer.zmags.com/publication/a150d5eb?page=56"> '# AUTOMATION AND POWER WORLD AUS</a> <a title="Industrial Electrix Oct-Dec 2012 page 57" href="http://viewer.zmags.com/publication/a150d5eb?page=57"> ARC FLASH MITIGATION '# ARC FLASH HAZ</a> <a title="Industrial Electrix Oct-Dec 2012 page 58" href="http://viewer.zmags.com/publication/a150d5eb?page=58"> '#ARC FLASH MITIGATION Continued from page 55 </a> <a title="Industrial Electrix Oct-Dec 2012 page 59" href="http://viewer.zmags.com/publication/a150d5eb?page=59"> APT Publications invites all personnel of the Ele</a> <a title="Industrial Electrix Oct-Dec 2012 page 60" href="http://viewer.zmags.com/publication/a150d5eb?page=60"> </a>