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