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Monthly Archive for: «January, 2019»

How to determine power transformer impedance for calculation of short-circuit currents

In order to calculate short-circuit currents, it is obligatory to know conductor-specific equivalent data and impedances of electrical operational equipment, which are usually given by the respective manufacturer. The calculation of short-circuit currents is based on…...

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Jan 25, 2019 | Edvard

How To Determine Power Transformer Impedance

How to determine compensation of reactive power of an electrical installation

Improving the power factor of an electrical installation (compensation of reactive power) has many economic and technical advantages, but it’s not always easy to do so. There are numerous approaches to do such job, so…...

PREMIUM Membership Required

This technical article/guide requires a Premium Membership. Get access to all premium HV/MV/LV technical articles, electrical engineering guides, and papers. Check out each plan's benefits and choose the membership plan that works best for you or your organization.
You can choose an annually based Plus, Pro, or Enterprise membership plan.Log InSign Up

Jan 11, 2019 | Edvard

How to determine compensation of reactive power of an electrical installation

Analysis of faults in machine and transformer windings

The analysis of faults in synchronous machine and transformer windings presents a special difficulty because the effective impedances of the affected windings under internal fault conditions are not normally known. The methods of analysis are… Read more

Jan 02, 2019 | Edvard

Analysis of faults in machine and transformer windings


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