
This free online course teaches you how to keep high-voltage power circuits protected so that they operate optimally. Delivery of electrical energy to the end-user is a critical service and must be appropriately managed. Discover how to set up power stations, configure switches correctly, the elements of system protection, relay schemes, breaker control and electrical faults with this course. In addition, you will learn about electrical system structure, the different types of fuses, and how transformers are configured, connected and cooled.
| Course Category | Construction |
| Course Type | Online Learning |
| Course Qualification | CPD Certificate |
| Course Duration | 5-6 hours |
| Course Fee | Free |
| Entry Requirements | Like all courses on the Alison Free Learning platform this is a free, CPD-accredited course. A Graduate can choose to buy a certificate or diploma upon successful completion of a course, but this is not required or necessary. At Alison we believe that free education, more than anything, has the power to break through boundaries and transform lives. Alison is the world’s largest free online empowerment platform for education and skills training, offering over 5000 CPD accredited courses and a range of impactful career development tools. It is a for-profit social enterprise dedicated to making it possible for anyone, to study anything, anywhere, at any time, for free online, at any subject level. Through our mission, we are a catalyst for positive social change, creating opportunity, prosperity, and equality for everyone. |
| Career Path | In This Free Course, You Will Learn How To • Outline the elements of a substation • Explain high-voltage switch configuration and elements of system protection and control • Describe protection relay schemes, the failure of protective schemes and types of electrical faults • Analyse electrical devices and basic electrical system structure • Discuss different types of transformers and how they are configured, connected and cooled • Analyse the functions of surge protective equipment • Discuss the operation of different types of fuses • Describe the operation of different types of circuit breakers, breaker control and auto reclosing • Discuss instantaneous overcurrent protection and timed overcurrent protection • Explain differential protection and impedance relaying |
| Course Code | 1098 |



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