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Professional Certificate of Competency of EMI-EMC, Shielding, Earthing and Noise Reduction Techniques

Course Duration
Duration
  • 3 Months
Course Study
Study Mode
  • Online
  • Online Electronic Engineering
Course Location
Location
  • Online
Course Code
Course Code
CEM
Course Intakes
Intakes
  • 13 May 2025
Course Type
Course Type
  • Professional Certificate
  • Electronic Engineering
  • UK
Course Fees
Fees

Course Overview

This course focuses on the introduction to EMI (Electromagnetic Interference) and EMC (Electromagnetic Compatibility) problems, which cause significant issues in electrical and electronic systems. It also discusses shielding, electromagnetic coupling, noise problems, and earthing noise reduction techniques.

Course Benefits:

  • Gain an in-depth understanding of EMI/EMC principles, shielding methods, earthing techniques, and noise reduction strategies
  • Understand global EMC standards and regulations, ensuring that designs and products comply with legal requirements
  • Design more reliable electronic systems with reduced susceptibility to EMI
  • Ensure the safety of electronic systems by effectively managing electromagnetic interference and ensuring proper earthing

By completing this course, you will be able to 

  • Gain knowledge of electromagnetic interference and electromagnetic susceptibility problems associated with electrical and electronic systems
  • Additionally, you will understand shielding, noise reduction, and earthing techniques.

Course Details

The main scope of this course is to review EMC problems associated with electrical and electronic systems, types of emissions from different sources, and measurement techniques involved in EMI. Additionally, the course covers shielding, including types of shielding such as inductive and capacitive shielding, shielding racks, and shielding rooms, as well as design considerations for shielding to provide a comprehensive understanding of the topic and its terminology.

The main scope of this course is to review EMC problems associated with electrical and electronic systems, types of emissions from different sources, and measurement techniques involved in EMI. Additionally, the course covers shielding, including types of shielding such as inductive and capacitive shielding, shielding racks, and shielding rooms, as well as design considerations for shielding to provide a comprehensive understanding of the topic and its terminology.

The second part of the course introduces the basic principles of noise problems, noise reduction principles, and noise reduction techniques. It also covers earthing, including the principles of earthing, earth grid techniques, analogue and digital earthing, and various earthing techniques. Towards the end, the course examines noise coupling mechanisms and their causes.

The course is composed of 12 modules. These modules cover a range of aspects to provide you with maximum practical coverage in the field of EMI/EMC, Shielding, Earthing and Noise Reduction Techniques.

Module 1: Introduction of EMI/EMC

  • Electromagnetic interference
  • Electromagnetic disturbances and their sources
  • Electromagnetic susceptibility/immunity
  • Coupling between sources and victims
  • Electromagnetic compatibility
  • The need for harmonization
  • The European directive/li>
  • Current standards
  • Routes to compliance

Module 2: Emission Types

  • RF emissions
  • Harmonic injection into the mains
  • Transients
  • Standards
  • Testing procedures
  • Test equipment

Module 3: EMI Measurement Techniques

  • Objective
  • Anechoic chamber
  • TEM cell
  • Reverberating chamber
  • GTEM cell
  • Characteristics of EMI filters and power line filter design

Module 4: Designing for Compliance

  • RF radiation principles
  • PCB design for reduced radiation
  • Digital circuits
  • Analog circuits

Module 5: System Considerations: Interfacing to Other Equipment

  • Filtering
  • Shielding
  • Interconnecting

Module 6: Inductive and Capacitive Shielding

  • Materials and limitations
  • Openings and penetrations
  • Enclosure design techniques
  • Shielded racks and shielded rooms
  • Magnetic fields
  • Shielding design guidelines

Module 7: Reduction of Electromagnetic Coupling

  • Requirements of EM containment
  • EM shielding of cables
  • Seams and apertures
  • Shielding for ESD and RF 

Module 8: Principles of Earthing

  • What is “electrical earthing”?
  • Function of an earthing
  • Safety and EMI
  • Analog/digital earthing
  • Single point, multipoint and hybrid earths
  • Earth grid technique
  • Isolated earthing technique
  • Earth loops
  • Earth loop noise reduction

Module 9: Diagnosis of Noise Problems

  • Relating symptoms to causes
  • Ringing, rounding and reflections
  • Practical methods of diagnosis
  • Noise coupling examples

Module 10: Basic Principles of Noise Reduction

  • Importance of wiring inductance
  • Bandwidth of pulse waveforms
  • Noise coupling examples
  • Common and differential modes
  • Balanced circuits and common mode rejection

Module 11: Noise Coupling Mechanisms

  • Magnetic causes of common mode current
  • Capacitive causes of common mode current
  • Identification of unintentional antennas
  • Controlling of kHz current paths

Module 12: Noise Reduction Techniques

  • Minimisation of bandwidth
  • Best place to earth cable shield
  • Reducing mutual inductance

This course is designed for personnel who want to understand earthing, its types, components of earthing system, gain knowledge of electromagnetic interference and electromagnetic susceptibility problems associated with electrical and electronic systems. Those who will benefit the most from this course include the following: 

  • Electrical and Instrumentation Technicians
  • Electrical Engineers
  • Instrumentation and Control Engineers
  • Electrical Inspectors
  • Consulting Engineers 
  • Project Engineers
  • Maintenance Engineers
  • Electrical Contractors 
  • Safety Professionals
  • Consulting Engineers
  • Electricians
  • Power System Protection and Control Engineers 
  • Building Service Designers 
  • Data Systems Planners and Managers

To obtain a certificate of completion for EITā€™s Professional Certificate of Competency, students must achieve a 65% attendance rate at the live, online fortnightly webinars. Detailed summaries/notes can be submitted in lieu of attendance. In addition, students must obtain a mark of 60% in the set assignments which could take the form of written assignments and practical assignments. Students must also obtain a mark of 100% in quizzes. If a student does not achieve the required score, they will be given an opportunity to resubmit the assignment to obtain the required score.

For full current fees in your country go to the drop down filter at the top of this page or visit the Fees page.

Payment Methods

Learn more aboutĀ payment methods, including payment terms & conditions and additional non-tuition fees.

Learn aboutĀ our instructors.

  • Power System Engineers
  • Principal/Senior Earthing Engineer
  • Electrical Engineer
  • Power Engineer
  • Senior Electrical Designer
  • Earthing & Bonding Engineer
  • Instrumentation & Control Engineer
  • Installation Engineer
  • Consulting Engineer

You are expected to spend approximately 5-8 hours per week learning the course content. This includes attending fortnightly webinars that run for about 90 minutes to facilitate class discussion and allow you to ask questions. This program has a 65% attendance requirement in the live webinars in order to graduate from the program.Ā  If you are unable to attend the live webinars, you have the option of watching the recording of completed webinars and sending a summary of what you have learnt from the webinar to the Learning Support officer.Ā  The summaries go towards your attendance requirement for the program.

This program is run online on an intensive part-time basis and has been designed to fit around full-time work. It will take three months to complete.

We understand that sometimes work commitments and personal circumstances can get in the way of your studies, so if at any point you feel that you are struggling with the pace of the course or finding a particular module challenging, you are encouraged to contact your designated Learning Support Officer for assistance.

Registrations are open for our upcoming intakes. Please ensure you book your place at least one week before the start date of the program.

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