Professional Certificate of Competency in Electrical Power System Protection (Online)

This professional development course is designed for engineers and technicians who need practical skills and knowledge in understanding power system protection, including how to calculate fault currents, and select relays and associated instrument transformers appropriate to each typical system or equipment.
Course Benefits
Receive a Certificate of Completion from EIT.
Learn from well-known faculty and industry experts from around the globe.
Flexibility of attending anytime from anywhere, even when you are working full-time.
Interact with industry experts during the webinars and get the latest updates/announcements on the subject.
Experience a global learning with students from various backgrounds and experience which is a great networking opportunity.
Learn how to take informed decisions on protection of electrical power systems and methods in improving site safety.
Get the required practical skills in understanding power system protection, method to calculate fault currents, and relay selection.
Study adjusting relay setting so that the relays closest to the fault will operate and clear the fault faster than the backup devices.
Select suitable protective devices for different equipment’s and recognize different fault types.
Any power system is prone to ‘faults’ (also called short-circuits), which occur mostly as a result of insulation failure and sometimes due to external causes. When a fault occurs, the normal functioning of the system gets disturbed. The high current resulting from a fault can stress the electrical conductors and connected equipment thermally and electro-dynamically.

Arcs at the fault point can cause serious or even fatal burn injuries to operating and maintenance workers in the vicinity. Faults involving one phase and ground give rise to high ‘touch’ and ‘step’ voltages, posing the danger of electrocution to personnel working nearby.

It is, therefore, necessary to detect and clear any fault quickly. The first device used in early electrical systems was the fuse, which acted both as the sensor and the interrupting device. With larger systems, separate devices have become necessary to sense and interrupt fault currents

In both high voltage systems and low voltage systems of higher capacities, the sensing is done by more sophisticated devices called relays. Relays were initially electro-mechanical devices, but static relays, and more recently, digital relays, have become the norm. With more complex systems, it is necessary to detect the point of fault precisely and trip only those sections affected by the fault, while the rest of the system can continue to function normally.

In the event of the nearest circuit breaker failing to operate, the next breaker in the upstream (feeding) side has to be tripped as a ‘back up’ measure. Another requirement is to minimize the time for which a fault remains in the circuit, this is necessary to reduce equipment damage and the danger to operating personnel.

These requirements necessitate different forms of relaying apart from the simple current sensing relays. Equipment such as generators, transformers, and motors also need special forms of protection characterized by their design and operating principles.

This course will explain all of these points in detail and provide you with the skills and knowledge necessary to calculate fault currents, and select relays and associated instrument transformers appropriate to each typical system or equipment. You will also learn how to adjust the setting of the relays so that the relays closest to the fault will operate and clear the fault faster than the backup devices.

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