Distribution System & Transmission Line Protection

PROT500 is an extensive course covering almost all commonly used protection schemes applied to very large industrial facilities, utility distribution systems and transmission lines.

This course is a must for electrical engineers, electricians and electrical engineering practitioners seeking to further their knowledge in the field of relaying, protection & control of power systems.

This course incorporates traditional as well as modern techniques in power system relaying. Students will learn from live lectures from a practicing professional engineer with international experience. This course will discuss theory, exercises as well as practical applications.

Enroll Now, Invest in your Career!

Intellectual growth should commence at birth and cease only at death.” – never stop learning. (Albert Einstein)

About the Trainer

Ryan is a registered Professional Engineer in United States, Canada and the Philippines. He has over 16 years of working experience in industrial sectors, utility power and renewables. At present, he is a Senior Protection & Control Engineer working for one of United States leading power engineering firm. He is a member of the IEEE Power & Energy Society.

Count Down to PROT500








Event Information

  • Dates: October 7/14/21/28, November 4/11/18/25 (8 Saturdays) 
  • Time: 6-11pm Philippine time
  • Last Day to Register: September 30
  • Total Course Duration: 40 hours
  • CPD: Self directed


Course Outline

    1.  Power system faults – generator equations, Thevenin equivalent circuit, fault on radial line, fault on looped system
    2. Power System Topology – radial system, looped system
    3. System Grounding – ungrounded, solidly grounded, low-impedance, high-resistance grounding
    4. Protection Systems – power system protection and control, DC tripping, zones of protection, circuit breakers, primary protection, backup protection, remote backup, local backup
    5. Relay design concepts – digital relay architecture, analog to digital conversion, relay algorithms, digital filtering
    6. Instrument Transformers – design, operation and connection, CT saturation criteria, selecting CTs for protection
    7. Line overcurrent protection – 50/51, 50N/51N
    8. Negative Sequence Overcurrent protection – 50Q/51Q
    9. Overcurrent device coordination
    10. Line Directional overcurrent protection – 67/67Q/67N
    11. Line Distance protection – 21/21N
    12. Line Differential protection – 87/87Q/87N
    13. Transformer protection – overcurrent protection (50/51), differential protection (87), overexcitation protection (24), restricted earth fault  protection (REF)
    14. Transformer mechanical protection – thermal protection (49), sudden-pressure protection (63)
    15. Bus protection – partial protection, partial differential protection (87), zone-interlocked protection, fault-bus protection
    16. Breaker Failure Protection – basic schemes, schemes for multibreaker application
    17. Lecture notes and manual calculation exercises

Training Format

  1. Lecture via live online Zoom meeting using a combination of presentation and manual lecture in a Blackboard application
  2. Discussion of theories, practical applications, manual calculations
  3. Demonstrations via software (excel, ETAP or SKM)
  4. Correlation with actual projects design/experience of the trainer
  5. Participants receive Handout materials and uploaded lecture notes after every session

How to register

  1. Read course description.
  2. Fill and submit the imbedded Google below or Click Here Directly Fill-up PROT500 Google Form
  3. You will receive registration confirmation from Google. Check your spam folder and inbox. 
  4. Pay the registration fee by the indicated due dates. Click Here for payment methods details (via bank deposit & G-Cash).
  5. Once payment is made, send us an email at with your payment details (transaction number, date, amount).
  6. We will send you Zoom meeting invites and handout materials a week before the start.
  7. Add your contact list to make sure you will receive notification and reminders.

Register Here!

Fill-up and Submit Google Form below. Make sure to click on the blue Submit Button at the end of the form. Check your email for confirmation.

Note: When using mobile devices (smartphones and tablets), the Google Form height may not fit in your browser. Make sure to scroll down until you find the blue Submit Button. If it doesn’t work, try this option Click Here Directly Fill-up PROT500 Google Form