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 'Testing and Commissioning' - Technical Articles

This category includes dozens of articles about testing and commissioning low—medium—and high-voltage equipment and assemblies, such as circuit breakers, CTs, VTs, disconnectors, switchgear, transformers, electric motors, capacitor banks, etc. Special attention is given to testing procedures and identifying common mistakes that engineers make during testing.

SHARPEN YOUR TECHNICAL SKILLS! • Get Premium Membership • Subscribe to Weekly Digest
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.
Spring Gift! - 20% Off on Pro Membership Plan with coupon 110KVAC
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.
Spring Gift! - 20% Off on Pro Membership Plan with coupon 110KVAC
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
Power Substation

The good and bad practices in the commissioning of current transformers in a substation

In the previous technical article (check here), we delved into primary injection testing and the commissioning of current transformers. We explored the primary and secondary sides of current transformers, learned key concepts and terminology used by protection engineers, and examined…...

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 05, 2023 | By

The good and bad practices in the commissioning of current transformers in a substation
Power Substation

Primary injection testing and CTs commissioning in power substations (for true engineers)

Primary injection testing is a vital procedure in the commissioning and maintenance of current transformers (CTs). These transformers are integral components of electrical systems, enabling precise measurement and effective protection of electrical currents. In this article, we will explore 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

May 29, 2023 | By

Primary injection testing and CTs commissioning in power substations (for true engineers)
Power Substation

Thumb rules, dos and don’ts in MV/HV switchgear testing and commissioning

No matter the approach, it is necessary that the testing engineers who will be responsible for commissioning the switchgear have a solid comprehension of the equipment that will be utilized and the various modes of operation that will be utilized…....

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 22, 2023 | By

Thumb rules, dos and don’ts in MV/HV switchgear testing and commissioning
Power Substation

Dos and don’ts in creating operation logic diagrams for LV and MV switchgear feeders

Dealing with the switchgear operation logic diagrams is like setting the brain functions. It needs vigilance and patience from design engineer supported with hours and hours of testing and operation simulations. This technical article brings some light to the essence…...

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 15, 2023 | By

Dos and don'ts in creating operation logic diagrams for LV and MV switchgear feeders
Power Substation

Design Knowhow: Low voltage substation layouts, earthing, fire protection and tests

The design of a low-voltage substation is a pretty complex and quite exciting job to do. If the designer would have complete freedom to make decisions regarding the substation layout, equipment, or cable routes, the job will be even more…...

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 03, 2023 | By

Design Knowhow: Low voltage substation layouts, earthing, fire protection and tests
Maintenance

The art of predicting the fate of a power transformer by looking into a cup of oil

Insulation medium is an indispensable part of a power transformer, and the interesting thing about it is that it can drop dead at any time. Most of the time, this doesn’t happen, but… This article presents the transformer oil features…...

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 09, 2023 | By

The art of predicting the fate of a power transformer by looking into a cup of oil
Premium Content

Often incorrectly specified and ordered: Power transformer fittings and accessories

Modern transformers are like cars full of sensors and electronics that scream and flash when something goes wrong. Most of the time, that’s very good and useful, but it could be irritating in case of repetitive false alarms that need…...

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

Nov 14, 2022 | By

Often incorrectly specified and ordered: Power transformer fittings and accessories
Premium Content

Inside Variable Frequency Drive (VFD) Panel: Configuration, Schematics and Troubleshooting

Proper analysis of the VFD’s power and control circuit diagrams is essential for successful troubleshooting. But before starting any analysis, you must know how your system connected through VFD works and how it breathes. You must also know all components…...

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

Jul 25, 2022 | By

Inside Variable Frequency Drive (VFD) panel: Configuration, schematics and troubleshooting
Power Substation

The most common type tests required for medium and high voltage switchgear

Let me put the definition of switchgear type tests this way. A switchgear MUST withstand voltage in normal and abnormal conditions and to carry varying load currents during its lifetime. A switchgear MUST be able to clear faults occurring due…...

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 02, 2022 | By

The most common type tests for medium voltage switchgear required from customers
Premium Content

Where and how to find the root cause of a power transformer failure (troubleshooting guide)

When Whatsapp, Facebook, or Gmail is down, it’s manageable, but if transformers fail, the entire business comes to a standstill. No-power-no-business transformers, as the heart of every substation, impact industries and affect the country’s economy and have social and political…...

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

Dec 27, 2021 | By

Where and how to find the root cause of a transformer failure (troubleshooting guide)
Power Substation

On-load tests you MUST perform during the switchgear commissioning process

On-load tests constitute the final activity in the commissioning process of low voltage or medium voltage switchgear. They are carried out immediately after the newly installed equipment is energized from the power system, and they are the definitive tests in…...

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

Nov 22, 2021 | By

On-load tests you MUST perform during the substation commissioning process


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.