This article aims to provide a comprehensive guide to the standard operating procedures (SOPs) for the isolation, maintenance, and restoration of a 132kV GIS Transformer Bay and Line Bay. It will delve into detailed safety checks, specific steps to be... Read more

The post How to: Isolation, maintenance, and restoration of a 132kV GIS Transformer Bay and Line Bay appeared first on EEP - Electrical Engineering Portal.

In this printable warm-up, students read a short biography on Elizabeth Cady Stanton and answer reading comprehension questions.

At low voltage level, SCADA applications are usually used for process control and monitoring of equipment. Furthermore, incoming circuit breakers or switch disconnectors inside large LV switchboards may also be operated remotely, by the command given from the SCADA working... Read more

The post Field devices and signals used for LV SCADA operations appeared first on EEP - Electrical Engineering Portal.

As you should already know, current transformers are used for metering and relay protection purposes. When we are talking about current transformers used for metering, their performance is of interest during normal loading conditions. Metering transformers may have very significant... Read more

The post Four special connections of current transformers in relay protection applications appeared first on EEP - Electrical Engineering Portal.

First, let’s remind ourselves of the basics in a few sentences. That is something you must know. A current transformer (CT) is designed to produce a secondary current which is accurately proportional to the primary current. It consists of a... Read more

The post IEC and NEMA/IEEE ratings of current transformers (CTs) in medium voltage applications appeared first on EEP - Electrical Engineering Portal.

The accurate measurement of the voltage, current or other parameter of a power system is a prerequisite to any form of control, ranging from automatic closed-loop control to the recording of data for statistical purposes. Measurement of these parameters can... Read more

The post How to make the right selection of a digital transducer for power system measurements appeared first on EEP - Electrical Engineering Portal.

This article will shed some light on how adding capacitors gives the distribution system the necessary reactive power to return the power factor to the required level. Capacitors act as a source of reactive energy, which accordingly reduces the reactive... Read more

The post A few practical ways to determine required reactive energy compensation for a power system appeared first on EEP - Electrical Engineering Portal.

Voltage dips and transients are usually blamed on the supplier, but this is often unfair. There are many potential on-site causes; for example, starting of heavy loads may cause voltage dips and switching of inductive loads will generate transients. Let’s... Read more

The post Should We Blame Supplier For Voltage Dips and Transients? appeared first on EEP - Electrical Engineering Portal.

Most modern electronic equipment uses switched mode power supplies (SMPS) which draw pulses of current from the mains supply rather than a continuous sinusoidal current. The fast rise time edges of the current waveform contain high frequencies that can cause serious radio frequency... Read more

The post Few advice for improving integrity of protective conductor appeared first on EEP - Electrical Engineering Portal.

Let us remind ourselves of the basics of substation transformer parts, their operation principles, and do’s and don’ts for safety measures and precautions. For novice substation engineers it’s important to recognize every single detail of a transformer and later to... Read more

The post A quick reminder to substation transformer basics and safety precautions, dos and don’ts appeared first on EEP - Electrical Engineering Portal.

Prevention is better than cure, we all know this, and this is true not only for people, but also for the health of your electrical and electronic components and equipment. Smart and cost-effective strategies demand an investment in surge protection.... Read more

The post How to handle overvoltages before any damage is done? Surge protection in a nutshell. appeared first on EEP - Electrical Engineering Portal.

This technical article covers some specific considerations (modern power supply, electric distribution, transportation, lighting controls, and communication systems) for a few most common type of commercial facilities such as banks, colleges and universities, fire stations, health care facilities and office... Read more

The post Specific electrical design tips for a few most common types of commercial facilities appeared first on EEP - Electrical Engineering Portal.

Transformers used in power substations or a power system could be a bank of three single-phase transformers connected in either star/delta or star/star etc., or could be a single three-phase transformer with a single core. Normally for large capacity transformers,... Read more

The post Transformer connections you are not allowed to forget appeared first on EEP - Electrical Engineering Portal.

Learning and studying have never been easier than nowadays. Since we started the EEP Academy, there are thousands of electrical engineers, students, technicians, and many others who are literally hungry for knowledge and experience. This is where EEP’s contribution comes... Read more

The post Top ten courses on EEP Academy for electrical engineers, technicians and students appeared first on EEP - Electrical Engineering Portal.

As we all know, all substation equipment (should) have a metal plate with its “name” on it. Here we’ll discuss power and distribution transformers and information that their nameplates carry. It’s usually attached to the tank in a visible place... Read more

The post Learn how to interpret transformer nameplate information appeared first on EEP - Electrical Engineering Portal.

It is essential that the electrical engineers, or operators who will be in charge of switching, isolating, and earthing operations of the switchgear have a good understanding of the rules that must be followed. In addition, it is of the... Read more

The post Electrical thumb rules for switching, isolating and earthing appeared first on EEP - Electrical Engineering Portal.

We believe viewing a wide variety of films is an essential part of young people’s film education. What film titles do you think all children and young people should see? We welcome your suggestions!

Supported by Film Distributors' Association, we are running two career days for students covering aspects of the film industry from acquisitions to marketing and PR.

Shakespeare in Performance – Romeo and Juliet is a free CD-ROM resource designed to actively engage students with Shakespeare’s play through a series of exercises that are both critical and creative

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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... Read more

The post A detailed checklist for the installation and commissioning of Gas-Insulated Substations (GIS) appeared first on EEP - Electrical Engineering Portal.

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... Read more

The post Advice and warnings for proper handling, earthing and testing of current transformers appeared first on EEP - Electrical Engineering Portal.

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... Read more

The post Field secrets and warnings in power transformer mechanical check and visual inspection appeared first on EEP - Electrical Engineering Portal.

Utilities are under intense pressure to maximize the use of their current transformer asset base in order to keep rates down while yet providing excellent reliability. In order to achieve higher loading during both regular and emergency operations, long-standing loading... Read more

The post Managing power transformers in service: The most important economic aspects appeared first on EEP - Electrical Engineering Portal.

This technical article provides a top-to-bottom overview of Sun Microsystems’s Santa Clara, California datacenter from electrical design aspect. Sun’s electrical design tour of Santa Clara datacenter is done through a series of single line diagrams. These diagrams illustrate the various components... Read more

The post Electrical Design Project Of Sun’s Datacenter In Santa Clara, California appeared first on EEP - Electrical Engineering Portal.

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In the quest for a resilient and efficient power grid, Battery Energy Storage Systems (BESS) have emerged as a transformative solution. This technical article explores the diverse applications of BESS within the grid, highlighting the critical technical considerations that enable... Read more

The post Grid Application & Technical Considerations for Battery Energy Storage Systems appeared first on EEP - Electrical Engineering Portal.

The first choice for service and distribution voltage is almost always 480 volts. Why is that? Well, it’s because it’s traditional, it has a safe design and specifications are already written around 480 V. UPS and backup aggregate equipment are... Read more

The post How to design the power supply for data centres and airports while megawatts of loads rise fast appeared first on EEP - Electrical Engineering Portal.

The installation of a new MV/LV electrical substation is often part of a more global project, and it is not always the subject of very detailed attention. However, the consideration of simple and practical criteria is not always dictated by... Read more

The post Thoughtful considerations to design MV/LV distribution substations for extended service life appeared first on EEP - Electrical Engineering Portal.

In the present era, the presence of reliable and uninterrupted electricity is commonly assumed in the majority of nations. Nevertheless, in many nations, this is susceptible to frequent disruptions caused by a range of issues, including as insufficient supply, inefficient... Read more

The post Modern practice for LV/MV substation and power distribution systems within buildings appeared first on EEP - Electrical Engineering Portal.

In this technical article we take a deeper dive into the engineering of battery energy storage systems, selection of options and capabilities of BESS drive units, battery sizing considerations, and other battery safety issues. We will also take a close... Read more

The post Design Engineering For Battery Energy Storage Systems: Sizing, Selection and Operation appeared first on EEP - Electrical Engineering Portal.

Tips and tricks for surviving and thriving in innovation for your Restoration and Remediation Company.

These new technologies will help to significantly increase the efficiency and precision of environmental analysis.

Virtual models help estimate losses and plan restoration after a disaster.

Zeppelin Guys expands its’ patented product portfolio.

Discover crucial tips that help you avoid common PPE pitfalls and ensure your team is protected against hazardous chemicals and atmospheric dangers.

It goes without question the use of drones – both in business and for recreation – has truly taken off over the last few years. Now equipped with technology like cameras, thermal imaging capabilities, and even computers, drones are being used in industries across the board.

In the March issue of R&R, Phil walked through his industry predictions from 2018 and revealed how he scored on each. His predictions included labor shortages and wage increases, industry pricing challenges, more TPA influence, growth of outside groups, and projections on weather-related events. To see how he fared, check out his March article! This month, he’s sharing his predictions for 2019!

R&R is officially accepting nominations for the 2022 Women in Restoration Award through January 10. We are also excited to introduce an all-new award to the restoration industry, honoring restoration technicians! 

R&R is officially accepting nominations for the 2022 Ladder Award through May 30.

In this episode of Ask Annissa, Annissa Coy offers two practical ideas to a restoration business owner struggling to bring money in the door one year after opening. In his heartfelt plea for advice on quickly finding jobs, he asks, “If you were in my shoes, what would you do?”

This edition of Ask Annissa offers ways to help employees deal with their mental wellbeing when working on jobs with emotional trauma. 

This edition of Ask Annissa addresses whether it’s better to charge by the box or for time and materials.

Annissa talks about billing.

Annissa gives us tips on billing for a packout.

Annissa chats with technician Israel Ward on how to get new ideas to help improve the industry heard and then executed.

Annissa gives us knowledge on how to properly bill for fire restoration services.

In response to an explosion of “toxic mold” claims in 2000-2001, the insurance industry acted in unprecedented unison to universally get rid of all claims related in any way to mold. They didn’t stop at just excluding claims from mold; they threw bacteria into the exclusion as well.

The company will be a direct program provider on USAA’s Property Direct Repair Program (PDRP) and provide property claims support to its members.

“In the first part of this series, I identified the steps to create a respiratory protection program. This second article will cover how to implement and follow your program. Once everything is implemented, you will have an OSHA-compliant program tailored to your company and designed to protect employees from the hazards in the Restoration Industry,” Barry Rice, CSP, writes.