An industrial load with a connected load need above 2000 kVA usually requires multiple feeding transformers to restrict the system’s fault level. The fault level of an electrical network indicates the supply source’s capacity to withstand a faulty circuit, expressed... Read more

The post Hands on schemes: Mechanical and electrical interlocking of feeders (to prevent parallel operation) appeared first on EEP - Electrical Engineering Portal.

Have you experienced “As Built” substation drawings that significantly differ from the original documents provided by the engineer for construction? Diverse factors cause these modifications in the field. However, in almost all instances, modifications to the design in the field... Read more

The post Facing “As Built” substation drawings that barely match construction drawings appeared first on EEP - Electrical Engineering Portal.

Modern power systems are undergoing fundamental transformation. The rapid growth of inverter-based resources—such as battery energy storage systems (BESS), solar PV plants, wind farms, HVDC links, electric vehicle chargers, and power-electronic-dominated industrial loads—has significantly altered the harmonic behavior of electricity... Read more

The post Why Compliance to Harmonic Studies Is Now Mandatory for Modern Power Systems appeared first on EEP - Electrical Engineering Portal.

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... Read more

The post Cybersecurity of the Eight Most Used Industrial Protocols appeared first on EEP - Electrical Engineering Portal.

The pilot project of installation the temperature monitoring system (researched, developed and manufactured by VTI) deployed at critical substations on the power system managed and operated by Vinh Phuc Power Company (a member of Northern Power Corporation – EVNNPC) in... Read more

The post A Case Study of Substation Temperature Monitoring System appeared first on EEP - Electrical Engineering Portal.

The design of the high-voltage substation must include consideration for the safe operation and maintenance of the secondary equipment. The substation secondary systems are those systems which provide the functionality necessary to ensure safety of personnel engaged in operation of... Read more

The post Practical Precautions for Substation Secondary Equipment appeared first on EEP - Electrical Engineering Portal.

There are numerous possible reasons for electrical power to go out. This story presents the interesting facts about the eight most common faults in the MV and LV distribution systems, which include vehicles hitting poles, trees touching or falling on... Read more

The post Interesting Facts About the Eight Most Common Distribution Network Faults appeared first on EEP - Electrical Engineering Portal.

Modern power systems are undergoing a profound transformation. The rise of harmonic distortion is becoming a huge problem. The traditional grid once dominated by large synchronous generators and linear loads—has evolved into a complex, inverter-rich network driven by renewable generation,... Read more

The post The Rise of Harmonic Distortion in Modern Power Systems appeared first on EEP - Electrical Engineering Portal.

Ring Main Units are compact modules that are gas-insulated and sealed, comprising main switching devices and ancillary components to ensure continuous secondary power distribution. The precise arrangement and configuration of components always depend on the particular application and loading conditions.... Read more

The post A Practical Guide to the Operation of Ring Main Units appeared first on EEP - Electrical Engineering Portal.

High-voltage substations—especially modern AIS/GIS installations up to 400 kV—are engineered with extreme precision. Every cable, conductor, grounding conductor, insulator, and steel structure is designed according to exact assumptions: soil models, thermal limits, mechanical forces, environmental conditions, lightning protection angles, and... Read more

The post Five Construction Issues That Do Not Follow the Engineering Design (And Why They Matter) appeared first on EEP - Electrical Engineering Portal.

Hello, I hope you are well! We are pleased to introduce two Black Friday promotions for electrical engineers: a 20% discount on the EEP Pro Membership plan and a 20% discount on all video courses at the EEP Academy. Video... Read more

The post Enjoy Black Friday! 20% OFF on PRO Plan and Courses appeared first on EEP - Electrical Engineering Portal.