Electricity + Control November 2017

CONTENTS

4

Features

Control systems + automation 4 Protecting Critical Infrastructure in Africa in a Converging Environment Goran Novkovic, Valiver 8 Intelligent Approach to Africa’s Mobility Revolution Kevin Pillay, Siemens Africa

10 Round UP

Drives, motors +switchgear 14 A Morning at Shaw Controls in Joburg South Crown Publications visits ...

18 Round UP

Plant maintenance, test + measurement 24 Performance of 500 kWp PV Plant – One Year After Jaco Bergh, Brand Engineering 26 Natural Ester Fluids: New Tool for Operational Gains Information provided by Cargill Industrial Specialities (Cargill)

29 Round UP

Temperature measurement 32 Heat Tracing – Choosing the Right System Giles Maynard, eltherm South Africa 33 Temperature Controllers Embrace the Era of AI Information provided by Omron 34 Precise Temperature Control assures High Quality Steel Information provided by Mecosa

14

35 Round UP

24

Regulars

1 Comment 21 Cover Article 36 Light+Current 38 New Faces & Places 39 Social Engineers 40 Not to be missed 40 Brain Block 40 Write @ the back

32

2 Electricity + Control

NOVEMBER 2017