Search

Premium Membership ♕

Join EEP PREMIUM today to unlock specialized LV/MV/HV technical articles & expert guides. Apply coupon CTS15 to get 15% off the PRO plan.

Technical Articles In September, 2026

Medium Voltage

Schematics Analysis of 13.8kV 100MVA Transformer Feeder

This technical article provides a detailed analysis of the schematic drawings for a 13.8kV, 100MVA Transformer Feeder. The source material for this analysis is attached drawing document (PDF), detailing an ABB UNIGEAR-ZS1 metal-clad switchgear panel designated as . The analysis…...

Membership Upgrade Required

This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers.
With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
Time Limited! - Save 15% on PRO Membership Plan with coupon CTS15
Upgrade
Already a member? Log in here

Sep 14, 2026 | By

Schematics Analysis of 13.8kV 100MVA Transformer Feeder
Power Substation

Transformer Differential Protection: When Textbook Theory Doesn’t Fit Reality

The technical article provides a deep, technical analysis of the discrepancies between differential protection in theory and real-world grid relay operations. It includes customized vector graphics and schematics illustrating inrush waveforms, dual-slope restraint characteristics, internal turn-to-turn loops, CT saturation, zero-sequence…...

Membership Upgrade Required

This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers.
With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
Time Limited! - Save 15% on PRO Membership Plan with coupon CTS15
Upgrade
Already a member? Log in here

Sep 07, 2026 | By

Transformer Differential Protection: When Textbook Theory Doesn't Fit Reality


Learn How to Design Power Systems

Learn to design LV/MV/HV power systems through professional video courses. Lifetime access. Enjoy learning!

EEP Hand-Crafted Video Courses

Check more than a hundred hand-crafted video courses and learn from experienced engineers. Lifetime access included.
Experience matters. Premium membership gives you an opportunity to study specialized technical articles, online video courses, electrical engineering guides, and papers written by experienced electrical engineers.
This whitepaper by OMICRON explores the fundamental shift in substation automation testing from hardware-dependent setups to virtualized, software-defined verification.