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Monthly Archive for: «June, 2017»

Step by step calculation of overload and short circuit currents

In a heating system a motor-driven pump with a power of 200 kW, cos φ = 0.88, η = 0.93 is connected through an overhead cable with 1= 45 m…...

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Jun 26, 2017 | Edvard

Step by step calculation of overload and short circuit currents

Transformer protection systems and their primary switching arrangements

The protection of power transformers is not just a question of detecting faults within the windings, cores, or tank. It’s very often a question of how the transformer is integrated…...

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This page requires a Premium Membership. Get access to premium HV/MV/LV technical articles, electrical engineering guides, and papers. Check out each plan's benefits and choose the membership that works best for you or your organization.
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Jun 12, 2017 | Edvard

Protection systems for transformers

How backup protection is used to improve fault-clearing system in HV networks

All elements in the fault-clearing system do not always operate correctly. Protection relays may fail to operate or may operate unwantedly. Switching devices may fail to interrupt the fault current…....

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This page requires a Premium Membership. Get access to premium HV/MV/LV technical articles, electrical engineering guides, and papers. Check out each plan's benefits and choose the membership that works best for you or your organization.
You can purchase annually based Plus, Pro, or Enterprise membership.
Cyber Monday Offer! - Get 20% off on Pro Plan, use discount code: BLACKFRIDAY20Log InSign Up

Jun 05, 2017 | Edvard

How backup protection is used to improve fault-clearing system in EHV networks


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