E+C August 2018

CONTENTS

4

Features

ELECTRICAL PROTECTION + SAFETY 4 Lighning and surge protection on solar plants: Alexis Barwise, Lightning Protection Concepts

8 Round Up

TRANSFORMERS + SUBSTATIONS 14 Major factors influencing transformer oil degradation, Corne Dames: Henque 3056 Transformer oil purification

17 Understanding dry-type transformers, David Claassen, Trafo Power Solutions

20 Round Up

CYBER SECURITY 22 Cyber security for industrial automation and control envi- ronments, Ivan Fenandez: Frost & Sullivan

24 Round Up

POWER QUALITY, STANDBY + BACKUP 28 Demanding environments call for robust diesel generators

17

30 Natural gas generators in standby applications, Nalen Alwar, Altaaqa Global

31 Round Up

TEMPERATURE MEASUREMENT + INSTRUMENTATION 34 Improving temperature measurement in power plants, Ravi Jethra, Wika Instrumentation

28

34

38 Round Up

Regulars

1 Comment 11 Cover Article 42 Light+Current 44 Write @ the back 44 Events 44 Advertisers

2 Electricity + Control

AUGUST 2018