Enroll Course: https://www.udemy.com/course/26mva-transformer-hv-over-current-sel-751a-calculations/
In the critical world of electrical power systems, ensuring the safety and reliability of transformers is paramount. Overcurrent protection acts as the vigilant guardian, preventing catastrophic damage from excessive current flow. This Udemy course, “26MVA Transformer HV Over Current SEL 751A Calculations,” led by an instructor with over 21 years of hands-on experience in substation automation and protection, offers an invaluable opportunity to gain practical expertise in this vital area.
The course effectively breaks down the complexities of overcurrent protection, starting with fundamental concepts such as the types of protection, definite time, and inverse time settings, and the various curves used. A significant portion of the training is dedicated to understanding the practical application of these principles, particularly focusing on the SEL 751A overcurrent protection relay. You’ll learn to navigate its front interface, understand LED indicators, and grasp the concepts of pickup and reset.
A key highlight of this course is its practical approach. It delves into the real-world relay settings for a 26MVA transformer, providing a tangible learning experience. The instructor meticulously guides you through calculating full load currents for both HV and LV sides, understanding percentage impedance, and determining fault MVA. Crucially, the course equips you with the skills to calculate short circuit currents and, most importantly, to derive the precise HV overcurrent settings for the transformer. The comprehensive explanation of pickup and set values, plug settings versus current settings, time delay, and time delay multipliers, along with the impact of disk emulation, provides a thorough understanding of relay operation and coordination.
For anyone involved in the operation, maintenance, testing, or design of high-voltage substations, this course is an absolute must. The instructor’s extensive background with organizations like Siemens Saudi Arabia and his involvement in numerous high-voltage substation projects lend significant credibility and practical insight to the material. Whether you are a seasoned professional looking to refine your skills or an aspiring engineer seeking to build a strong foundation, this course delivers the knowledge and practical application needed to confidently manage transformer overcurrent protection.
Enroll Course: https://www.udemy.com/course/26mva-transformer-hv-over-current-sel-751a-calculations/