Search

Premium Membership ♕

Join EEP PREMIUM today to unlock professional articles, specialized guides, and 50% discount on academy courses (lifetime access included)

More Information »
Technical Articles / EEP Authors

Category 'Protection' - Technical Articles

“Protection” category refers to technical articles dedicated to relay protection of various power substation and transmission & distribution equipment, such as low- medium- and high-voltage switchgear, transformers, capacitor banks, cables, transmission lines, electric motors and generators, and so on. Great attention is paid on circuit breaker schematics, such as tripping, closing and blocking coil arrangements, etc.

SHARPEN YOUR TECHNICAL SKILLS! • Get Premium Membership • Subscribe to Weekly Digest
Power Substation

Best Practices in Troubleshooting Breaker Tripping Problems in Modern Power Substations

For some substation engineers, sudden breaker tripping incidents are a favorite puzzle that demands clear, out-of-the-box thinking. However, for the majority, these events are a true nightmare with no obvious starting point for troubleshooting. However, any anomalies in circuit breaker…...

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.
Spring Gift! - 20% Off on Pro Membership Plan with coupon 110KVAC
Upgrade
Already a member? Log in here

Jun 08, 2026 | By

Best Practices in Troubleshooting Breaker Tripping Problems in Modern Power Substations
Energy and Power

Top Programming Languages in Power Engineering Worth Learning in 2026

This technical review analyzes the core programming languages, hardware description languages, and configuration syntaxes utilized in contemporary power engineering. Emphasis is placed on their application in Intelligent Electronic Devices (IEDs), Supervisory Control and Data Acquisition (SCADA) systems, and digital substation…...

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.
Spring Gift! - 20% Off on Pro Membership Plan with coupon 110KVAC
Upgrade
Already a member? Log in here

Jun 01, 2026 | By

Important Programming Languages in Power Engineering and Automation You MUST Learn
Power Substation

The Biggest Mistakes Substation Operators Make

Operating an electrical substation leaves a zero margin for error. The critical mistakes operators make, from bypassing interlocks and improper grounding to rushing and ignoring PPE — rarely stem from a lack of skill. Instead, they represent breakdowns in procedure,… Read more

May 11, 2026 | By

The Biggest Mistakes Substation Operators Make
Medium Voltage

Brainstorming the 24kV Switchgear Schematics (Secondary Wiring and Automation)

This comprehensive guide serves as your master blueprint for decoding 24kV switchgear schematics. While the primary focus of this guide is the secondary wiring and automation schematics, we will break down the system layer by layer, starting with the System…...

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.
Spring Gift! - 20% Off on Pro Membership Plan with coupon 110KVAC
Upgrade
Already a member? Log in here

May 04, 2026 | By

Brainstorming the 24kV Switchgear Schematics (Secondary Wiring and Automation)
Power Substation

Deep Dive Into Substation Configuration Language (SCL) Files

Engineering tasks in modern power systems require an advanced skill set in reading, interpreting, and troubleshooting digital substation architectures. As the industry transitions from conventional hard-wired, copper-based schematics to software-defined, ethernet-based environments, these digital architectures and configuration files become 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.
Spring Gift! - 20% Off on Pro Membership Plan with coupon 110KVAC
Upgrade
Already a member? Log in here

Apr 27, 2026 | By

Deep Dive Into Substation Configuration Language (SCL) Files
Low Voltage

The Ten Most Dangerous Noises in a Low-Voltage Substation

Let ‘s talk about the acoustic diagnostics of low-voltage substations, focusing on the ten most dangerous acoustic emissions, their underlying physics, and diagnostic methodologies. In the realm of electrical distribution, low-voltage (LV) substations—typically operating at or below 1000V AC—form 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.
Spring Gift! - 20% Off on Pro Membership Plan with coupon 110KVAC
Upgrade
Already a member? Log in here

Apr 20, 2026 | By

The Ten Most Dangerous Noises in a Low-Voltage Substation
Power Substation

Biggest Mistakes in Analyzing Modern Substation Schematics

Substation schematics have changed, a lot. Modern digital substations now include schematics that never existed in old substations. Actually, it’s a totally different philosophy and this is not easy for “old engineers” to adopt and switch to new logic and…...

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.
Spring Gift! - 20% Off on Pro Membership Plan with coupon 110KVAC
Upgrade
Already a member? Log in here

Apr 06, 2026 | By

Biggest Mistakes in Analyzing Modern Substation Schematics
Power Substation

The Curse of a Digital Substation: So Advanced and Fragile

The transition from conventional electrical substations to fully digital substations represents one of the most profound technological shifts in the power delivery industry. By replacing miles of copper wiring with fiber optic cables and utilizing the IEC 61850 standard 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.
Spring Gift! - 20% Off on Pro Membership Plan with coupon 110KVAC
Upgrade
Already a member? Log in here

Apr 01, 2026 | By

The Curse of a Digital Substation: So Advanced and Fragile
Maintenance

Substation Maintenance Transition Toward Clever Data-driven Asset Management

This article explores the complete spectrum of substation maintenance philosophies from Corrective and Preventive Maintenance to Predictive, Condition-Based, and ultimately Risk-Based Maintenance (RBM). It explains how each approach evolved, where it fits within modern substations, and how utilities can transition…...

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.
Spring Gift! - 20% Off on Pro Membership Plan with coupon 110KVAC
Upgrade
Already a member? Log in here

Feb 23, 2026 | By

Substation Maintenance Transition Toward Clever Data-driven Asset Management
Industrial Automation

Cybersecurity of the Eight Most Used Industrial Protocols

The main goal in the industrial world is to prevent major disruptions in controlled processes, but protecting the information system and the data it contains is also an important concern. As a result, successful attacks can have catastrophic implications. Regardless…...

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.
Spring Gift! - 20% Off on Pro Membership Plan with coupon 110KVAC
Upgrade
Already a member? Log in here

Jan 12, 2026 | By

Cybersecurity of the Nine Most Used Industrial Protocols


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.