RuggedCom
’s RX15xx family is a range
of Layer 2 and 3 switching devices,
ideally suited for the utility, industrial,
military and ITS industries. Read more
on page 31.
• Drives,motors and switchgear
• Flowmeasurement and instrumentation
• Control systems and automation
• Valves and actuators
• Health, safety, environment and quality
• Energy and enviroFiciency
E+C July 2013 cover.indd 1
2013/06/26 02:21:07PM
Features
Contents
Drives, motors and switchgear
4
Choosing between a soft starter and a VFD to fit your application
By K Danielson, Eaton
8
Cut electricity bills on irrigation systems
By F Steyn, ABB
10
Round UP
Flow measurement and instrumentation
16
Value of modern 2-wire technology for MRO
By S Milford, Endress+Hauser
19
Round UP
Control systems and automation
22
Enabling the smart grids of the future
By S Singh, Lucy Switchgear
24
Round UP
Valves and actuators
32
High-end intelligent emergency valve applications
By J Kimanen, Metso
34
Round UP
Health, safety, environment and quality
36
Copper and copper alloys for the healthcare sector
By E Swanepoel, Copper Development Association Africa
40
Round UP
Energy and enviroFiciency
42
Coega air separation plant: State-of-the-art energy efficiency technology
By R Richardson, Air Products
45
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
Published monthly by:
Crown Publications cc
CnrTheunis and Sovereign Sts
Bedford Gardens
PO Box 140, Bedfordview 2008
Tel: (011) 622-4770; Fax: (011) 615-6108
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Quarter 1 (Jan – Mar 2013)
Paid circulation: 55
Free circulation: 4710
Total circulation: 4765
1 Comment
31 Cover story
47 Light+Current
47 Bizz Buzz
50 Social Engineers
52 Clipboard
3
July ‘13
Electricity+Control