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Monthly Archive for: «May, 2019»

8 common mistakes in reading and creating single line and wiring diagrams

In order to create consistent and technically correct single line or wiring diagram, more than basic knowledge about engineering field in question is required. Besides electrical installation and equipment, design engineer should be...

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May 30, 2019 | Miodrag Kokotovic

8 common mistakes in reading and creating single line and wiring diagrams

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