Electricity + Control January 2017

CONTENTS

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20

30

38

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 15

Points to Consider to Ensure VSD Installations meet IEEE 519 GlenWard, ZESTWEG Group

Round UP

Earthing + lightning protection 20

Surge and Fire Protection: Arresters with SCI technology for dc Circuits Kirk Risch, DEHN Africa

22 26 28

Lightning Protection for Rooftop Plants Trevor Manas, Pontins

Safe Energy Control Simplifies Surge Protection Dipl.-Ing (FH) Florian Lenzmeier, Phoenix Contact

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

Regulars

Cover

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.

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.za

FEATURES: • Control systems+ automation • Drives,motors+ switchgear • Earthing+ lightning protection • Pressure+ levelmeasurement • Standby+ back-up

E+C JAN 2017 cover.indd 1 www.electricityandcontrolmagazine.co.za 2016/12/07 10:43:01AM

Electricity+Control January ‘17

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