Archive for December, 2014

Security of electricity supply in South Africa

  A confidential report to the Department of Public Enterprises, dated July 2006, on security of electricity supply in South Africa, written by Duncan Wilson and Ivan Adams, has come to the attention of EE Publishers. Although marked confidential, the report has some historical significance, having been submitted some 18 months prior to the loadsheedding […]

PLC: The forerunner to Industry 4.0 and the internet of things

  Industry 4.0 and the internet of things (IoT) are concepts which require a high degree of networking and communication between devices and services. Large data quantities have to be exchanged, from the sensor to the IT level. The corresponding protocols and standards of PC-based control make it ideally suited for this task. Another fundamental […]

Eskom’s former maintenance policies described as “pure madness”

  Dear Editor I write this letter as a former Eskom executive to provide some insights from the past into the problems facing Eskom today. Eskom’s previously effective maintenance policy was dramatically adversely affected by a change during the chairmanship of Dr. John Maree, who, against opposition from some executives, introduced a unique new approach […]

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