Electricity and Control April 2023

CONTENTS

INDUSTRY 4.0 + IIOT

Features

INDUSTRY 4.0 + IIoT 4 Semiconductor photonics: more data, more quickly IDTechEx

5 Products + services

ENERGY MANAGEMENT + THE INDUSTRIAL ENVIRONMENT 8 Investments in renewables need more equitable distribution The International Renewable Energy Association (IRENA)

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9 Challenges and opportunities in the power utilities sector Godfrey Marema, Eaton South Africa

10 Accelerating the mission to net zero Graham Abrahams, ABB South Africa

12 Excess heat – the world’s largest untapped source of energy Danfoss

14 Products + services

MEASUREMENT + INSTRUMENTATION 18 The basics of earth grounding systems – and the importance of testing Comtest

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20 The benefits of simple pressure reducing valves Peter Telle, Ultra Control Valves

21 Products + services

SAFETY OF PLANT, EQUIPMENT + PEOPLE 22 The advantages of networking safety Omron Industrial Automation

24 Sourcing the right adapters and reducers Leigh Darroll, Electricity + Control

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25 Products + services

Regulars 1 Comment How crucial – and costly – electricity is in our lives 3 Cover article 6X: VEGA’s simple radar formula for better processes 29 Engineering the future Manufacturing clean energy technologies 30 SAIEE Awards 2022 Celebrating excellence in electrical engineering 32 Write @ the back Balancing climate transition with energy security

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2 Electricity + Control APRIL 2023