Description
Overcurrent protection is by far the simplest type of protection widely used in electrical power systems. It’s estimated that more than 80% of relays in industrial and power systems are overcurrent type. Therefore it is essential to fully understand and learn the real art of overcurrent relays. The course consists of 21 lessons in 3 hours and 29 minutes.
The course starts with explaining what is short circuit and the different types of faults in power systems and continues with the concept of short circuit current, load current, and percentage impedance of generator/transformer.
Special attention is paid to explaining the types of overcurrent protection i.e., instantaneous and time delay. Inverse time overcurrent relay, its types (Normal Inverse, Very Inverse & Extremely Inverse relays) and settings are explained in detail.
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