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Archive: Category «Protection»

The case of phase-to-phase fault in a 13.8 kV switchgear caused by heavy rain

In this case study we describe a 13.8 kV switchgear phase-to-phase fault due to by heavy rain evolving into a three-phase fault that was cleared by transformer numerical relays. The…...

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May 17, 2019 | Edvard

The case of phase-to-phase fault in a 13.8kV switchgear caused by heavy rain

Learn to read and understand single line diagrams and wiring diagrams

Single line diagrams are used in common engineering practice as graphical representation of electrical switchboard or assembly containing more sections, i.e. cubicles. Basically, they are simplified and digest picture of…...

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Apr 12, 2019 | Miodrag Kokotovic

Guidelines to reading and understanding single line and wiring diagrams

Practical steps in the design of a substation grounding

Grounding at power substations is extremely important. Grounding system provides the ground connection for the grounded neutral for transformers, reactors, and capacitors and also the discharge path for lightning rods,…...

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This content is available for Premium members only. Premium membership gives you an access to specialized technical articles and other extra premium content (electrical guides and software). Premium Membership ♛

Mar 29, 2019 | Edvard

The most important steps in the practical design of a substation grid