Electricity + Control May 2015

CONTENTS

4

12

28

34

Analytical instrumentation 4

Simple, accurate calibration instrument By R Ainsworth, Fluke Calibration

8

Round UP

Control systems + automation 12

Saving energy in the Smart Grid era By M Clemence, R Coccioni and A Glatigny, Schneider Electric

18

Round UP

Drives, motors + switchgear 20

A bench top motor dynamometer for drive testing By G Craig, Techlyn

23

Round UP

Sensors, switches + transducers 26

Suppliers need to evolve along with sensor technology By G Bryant, Countapulse Controls

29

Round UP

Standby + back-up 32

Voltage sag solution By S Kuwar-Kanaye, Impact Energy

34

Round UP

Energy + enviroFiciency 38 Lowering operational costs through optimised energy consumption By N Maleka, SEW-EURODRIVE 39 Round UP

Regulars

Cover

1 Comment 31 Cover article 40 Light + Current 41 Bizz Buzz 43 Social engineers 44 Clipboard

Countapulse Controls offers top of the range sensors for mod- ern processes and instrumenta- tion. Read more on page 31 .

Visit our innovative online technical resource for the engineering industry. www.eandcspoton.co.za

FEATURES: • Analytical information

• Control systems and automation • Drives,motors and switchgear • Sensors, switches and transducers • Standby and back-up • Energy and enviroFiciency

E+CMay 2015 cover.indd 1

2015/04/13 10:35:05AM