On-Demand Video Courses

DEIh-SP Harmonics and Noise for Oil and Gas Industries

  • Duration:
  • Investment: US$ 49.00

Must complete all lessons


Supplying reliable electric power for critical systems is an essential part of modern industrial installations. Very often the supply received from a distribution network has quality issues such as voltage sags and swells, transients, harmonics, and interruptions. While it is impossible to guarantee 100% availability of power at all points in any system, vulnerable sections can be provided with alternative emergency power supply to ensure more reliable power availability, thereby avoiding the problems caused by power interruption.
An introduction to the measures against power interruptions, voltage variations, transients and harmonics will be discussed in this course.



  • Recent graduate electrical, instrumentation or mechanical engineers
  • Chemical engineers
  • Electrical engineers
  • Experienced electricians
  • Fire and gas engineers
  • Instrument and control systems engineers
  • Instrument and process control technicians or technologists
  • Instrument fitters
  • Mechanical engineers



  • Linear and non-linear loads
  • Harmonic components and Fourier transforms
  • Non-linear loads as harmonic current sources
  • Problems caused by harmonics in supply systems


  • Controlling harmonics by decoupling
  • Controlling by rectifier configuration and phase shifting
  • Controlling harmonics by filters


  • Effects on sensitive circuits (S/N ratio)
  • Coupling of noise between circuits
  • Mitigation by electrostatic screening
  • Shielding against EMI
  • Use of optical and transformer coupling for noise mitigation


Plan Name Investment
Unlimited Access for 2 Years: US$ 49.00


Frikkie Marx

Pr Eng, B Sc (Eng) Senior Engineer

Frikkie has over 20 years of experience in the fields of Power Systems from design to industrialisation. He started his career on the Power System Protection side, then migrated to EMC and Power Supply Systems. Frikkie's portfolio of achievements includes the design of Power Systems, Switch Mode Power Supplies, UPS, high precision Servo Amplifiers, battery and Inverter Design for solar panel applications, vehicle management, specialised computer systems and high current starter for vehicle plants. Lecturer and course developer of Industrial  and Power electronics for Technikon SA (UNISA). Project Manager/System engineer for the development of Electro-optical systems which include video systems for UAV’s and a high resolution Infra-Red Camera. Other activities include the mentorship programs of Kentron, Industrial electronics, rockets and robots training programme for the Denel Youth Foundation Bridging Program as well as training consultant.


General Requirements:

There are no official prerequisites, although some background knowledge in oil and gas industries would be beneficial.

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