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Regulars
Control system + automation
4
The Elephant in the Industrial Control Room
Katherine Brocklehurst, Belden
6
Round UP
Drives, motors + switchgear
10
CompleteTrolley Assist Solution
Karl van Rensburg, Siemens
12
Points to Consider to Ensure VSD Installations meet IEEE 519
GlenWard, ZESTWEG Group
15
Round UP
Earthing + lightning protection
20
Surge and Fire Protection: Arresters with SCI technology for dc Circuits
Kirk Risch, DEHN Africa
22
Lightning Protection for Rooftop Plants
Trevor Manas, Pontins
26
Safe Energy Control Simplifies Surge Protection
Dipl.-Ing (FH) Florian Lenzmeier, Phoenix Contact
28
Round UP
Pressure + level measurement
30
Insurance Against Contamination
Joachim Zipp, WIKA
32
Hydrocarbon Dew Point – Critical Considerations for Natural GasTurbine Installations: Part 2
Jack Herring, Michell Instruments Inc
35
Round UP
Standby + back-up
38
Reducing Energy Consumption in Big Business and Industry
Heather McEwan, Rhino Lighting
40
Round UP
With
Beckhoff
’s new EtherCAT
measurement technology mod-
ules, high-end measuring de-
vices and traditional automation
technology can be combined into
one universal system.
Read more
on page 9.
FEATURES:
• Control systems+ automation
• Drives,motors+ switchgear
•
Earthing+ lightning protection
• Pressure+ levelmeasurement
• Standby+ back-up
E+C JAN 2017 cover.indd 1
2016/12/07 10:43:01AM
Cover
CONTENTS
1 Comment
9 Cover story
41 Light+Current
41 Bizz Buzz
43 Social Engineers
44 Clipboard
Visit our innovative
online technical
resource for the
engineering industry.
www.eandcspoton.co.za4
20
30
38
www.electricityandcontrolmagazine.co.za
Electricity+Control
January ‘17
2