Just as Leonardo daVinci was a
Master painter and inventor – so
are
Elspec
and
Impact Energy
Masters in innovative power qual-
ity solutions. Read more on page
33.
FEATURES:
• Control systems and automation
• Flowmeasurement
• Hazardous areas and safety
• Transformers and substations
• Technology of the future
• Energy and enviroFiciency
E+CDec2013 cover.indd 1
2013/11/20 03:25:44PM
Features
Contents
Control systems and automation
4
Measuring the quality of operator alarms
By R Brooks, J Wilson and A Mahoney, Process Plant Computing Limited (PPCL)
9
Round UP
Flow measurement
14
Go with the flow – gas flow measurement
By H Springer (Mecosa) and A Mangell (Bronkhorst UK)
18
Round UP
Hazardous areas and safety
20
Hardened IP camera solution for NamPower’s Gerus substation
By T Craven, H3iSquared
24
Intrinsic safety for zone 2 (Exic) using longer cable runs
By G Friend, Extech Safety Systems
26
Round UP
Transformers and substations
28
The great debate: Copper versus aluminium
By E Swanepoel, Copper Development Association Africa (CDAA)
31
Panama Canal locks – dynamic VA4 compensation project
By L Rzezak, Elspec
32
Round UP
Technology of the future
36
I think – therefore I ‘ARM’
By G Peyton, Biomedical Engineering Research Group, University of the Witwatersrand
38
Round UP
Energy and enviroFiciency
40
External costs of power generation
By PJ Lloyd, Energy Institute, Cape Peninsula University of Technology
44
Round UP
Regulars
Publisher
:
JennyWarwick
Editor:
Wendy Izgorsek
EditorialTechnical Director:
Ian Jandrell
Design & Layout:
Adél JvR Bothma
Advertising Managers:
Helen Couvaras and Heidi Jandrell
Circulation:
Karen Smith
Reader Enquiries:
Radha Naidoo
Cover
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December ‘13
Electricity+Control
