Search

Premium Membership ♕

Save 20% with a coupon BLACKFRIDAY on the PRO Membership Plan and all courses at EEP Academy! Learn from experienced engineers!

Technical Articles

Premium Content

Mastering stability test of power transformer: Differential and Restricted Earth Fault (REF) protection

This technical article discusses the essentials of transformer differential protection and restricted earth fault protection schemes, contrasting the two and elaborating on why the latter is necessary. Furthermore, it reveals the outcomes of stability tests performed on a 502 MVA…...

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.
Black Friday Deal 💥 - Save 20% on Pro Plan with code BLACKFRIDAY
Upgrade
Already a member? Log in here

Sep 25, 2023 | By

Mastering stability test of power transformer: Differential and REF protection
Maintenance

Field secrets and warnings in power transformer mechanical check and visual inspection

Let’s discuss the visual and mechanical inspection procedures for oil-filled power transformers. It’s important, very important to examine a variety of key checkpoints, both external and internal to transformers, all based on the IEC 60076 standard. Each item on the…...

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.
Black Friday Deal 💥 - Save 20% on Pro Plan with code BLACKFRIDAY
Upgrade
Already a member? Log in here

Sep 11, 2023 | By

Field secrets and warnings in power transformer mechanical check and visual inspection
Premium Content

A comprehensive guide to correct calculation for transformer differential relay settings

In this technical article, we will delve into the comprehensive methodology of calculating the differential relay settings for the GE P642 relay. Each step of the process will be explored, from data collection to final setting determination. By following these…...

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.
Black Friday Deal 💥 - Save 20% on Pro Plan with code BLACKFRIDAY
Upgrade
Already a member? Log in here

Aug 28, 2023 | By

A comprehensive guide to correct calculation for transformer differential relay settings
Power Substation

Never underestimate how important it is to choose the right CT size in fault detection and protection

In the realm of electrical power systems, current transformers (CTs) play a vital role in accurately measuring and monitoring current levels. Proper sizing of CTs is essential to ensure their adequacy and enable reliable operation within specified limits. This article…...

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.
Black Friday Deal 💥 - Save 20% on Pro Plan with code BLACKFRIDAY
Upgrade
Already a member? Log in here

Aug 14, 2023 | By

Never underestimate how important it is to choose the right CT size in fault detection and protection
Energy Generation

The art of generator synchronization techniques that every true engineer MUST know about

There are two main types of generator synchronization techniques: manual and automatic. The operator performs speed and voltage adjustments on the generator and issues the breaker closure command during a manual synchronization. Manual synchronization, in its purest form, is done…...

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.
Black Friday Deal 💥 - Save 20% on Pro Plan with code BLACKFRIDAY
Upgrade
Already a member? Log in here

Aug 07, 2023 | By

The art of synchronizing generator to the grid by adjusting the generator speed and voltage
Maintenance

Advice and warnings for proper handling, earthing and testing of current transformers

Welcome to the third and final part of our comprehensive series on current transformers (CTs) and their secondary circuits. In Parts 1 and 2, we covered various aspects of CT operation, secondary injection testing, burden calculations, CT circuit connections, safety…...

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.
Black Friday Deal 💥 - Save 20% on Pro Plan with code BLACKFRIDAY
Upgrade
Already a member? Log in here

Jul 31, 2023 | By

Advice and warnings for proper handling, earthing and testing of current transformers
Maintenance

A detailed checklist for the installation and commissioning of Gas-Insulated Substations (GIS)

Gas-insulated substations (GIS) are critical components of modern electrical power systems, providing efficient and compact solutions for the transmission and distribution of electricity. These substations utilize sulfur hexafluoride (SF6) gas as an insulating and arc-quenching medium, offering several advantages over…...

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.
Black Friday Deal 💥 - Save 20% on Pro Plan with code BLACKFRIDAY
Upgrade
Already a member? Log in here

Jul 17, 2023 | By

A detailed checklist for the installation and commissioning of Gas-Insulated Substations (GIS)
Power Substation

Comprehensive Guide to Secondary Injection Testing of the Current Transformers (Part 2)

Welcome to the second part of our three-part series on current transformers (CTs) and their secondary circuits. In Part 1, we explored the fundamental principles of CT operation, the importance of secondary injection testing, the concept of “burden,” considerations for…...

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.
Black Friday Deal 💥 - Save 20% on Pro Plan with code BLACKFRIDAY
Upgrade
Already a member? Log in here

Jul 03, 2023 | By

Comprehensive Guide to Secondary Injection Testing of the Current Transformers (Part 2) - Ensuring Reliable Operation & Testing of CTs
Power Substation

Comprehensive Guide to Secondary Injection Testing of the Current Transformers (Part 1)

Welcome to the first part of our three-part series on current transformers (CTs) and their secondary circuits. In this series, we will delve into the intricacies of CT operation, explore the importance of secondary injection testing, examine the concept of…...

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.
Black Friday Deal 💥 - Save 20% on Pro Plan with code BLACKFRIDAY
Upgrade
Already a member? Log in here

Jun 19, 2023 | By

Comprehensive Guide to Secondary Injection Testing of the Current Transformers (Part 1) - CTs and their Secondary Circuits


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.
Save 20% with coupon BLACKFRIDAY.
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.