To achieve the best overall outcome in a lighting installation, it is important to avoid the tendency of rushing straight into luminaire selection before determining more broadly what is required from the system. The use of a structured design process... Read more

The post 7 key steps in lighting design process appeared first on EEP - Electrical Engineering Portal.

New Lesson Plans Entry: 'Financial vocabulary pronunciation the same or different' has just been added to the Lesson Plans area of UsingEnglish.com.

New Articles Entry: 'Writing in English problems and solutions' has just been added to the Articles area of UsingEnglish.com.

New Articles Entry: 'Listening in English problems and solutions' has just been added to the Articles area of UsingEnglish.com.

New Articles Entry: 'Reading in English problems and solutions' has just been added to the Articles area of UsingEnglish.com.

New Articles Entry: 'Teaching three students problems and solutions' has just been added to the Articles area of UsingEnglish.com.

New Articles Entry: 'Speaking English problems and solutions' has just been added to the Articles area of UsingEnglish.com.

New Articles Entry: 'Reading English with your child: problems and solutions' has just been added to the Articles area of UsingEnglish.com.

This technical article discusses criteria and requirements for designing protection systems for busbars in HV/EHV networks. One of the most critical requirements is reliable busbar relay protection to assure power system integrity during fault conditions. This requirement is further emphasized because... Read more

The post Design issues in HV busbar protection systems (substation topology and DC power supply) appeared first on EEP - Electrical Engineering Portal.

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... Read more

The post Mastering stability test of power transformer: Differential and Restricted Earth Fault (REF) protection appeared first on EEP - Electrical Engineering Portal.

This article addresses the Variable Frequency Drive (VFD) concept in several aspects that matter the most in selecting the proper VFD for applications. One of the important factors is the control type required for a given application since it is... Read more

The post Guidelines for selecting the proper Variable Frequency Drive (VFD) for motor applications appeared first on EEP - Electrical Engineering Portal.

The protection of enclosures against ingress of dirt or against the ingress of water is defined in IEC529 (BSEN60529:1991). Conversely, an enclosure which protects equipment against ingress of particles will also protect a person from potential hazards within that enclosure,... Read more

The post IP Protection Degree (IEC 60529) Explained appeared first on EEP - Electrical Engineering Portal.

In the design of electrical power systems, the ANSI Standard Device Numbers denote what features a protective device supports (such as a relay or circuit breaker). These types of devices protect electrical systems and components from damage when an unwanted... Read more

The post Protection Relay – ANSI Standards appeared first on EEP - Electrical Engineering Portal.

Efficiencies of fan systems vary considerably across impeller types. The average energy saving potential in these systems in the U.S. manufacturing industry is estimated at 6%. For optimal savings and performance, it is recommended that a systems approach is used.... Read more

The post Six energy efficiency improvement opportunities in fan systems appeared first on EEP - Electrical Engineering Portal.

Instrumentation consumes large amounts of compressed air at many individual locations in a textile plant, but these uses are susceptible to leakage. Most such leaks are at threaded connection points, rubber hose connections, valves, regulators, seals, and in old pneumatic... Read more

The post Eleven energy-efficiency improvement opportunities in compressed air systems appeared first on EEP - Electrical Engineering Portal.

In many buildings, HVAC is the first or second item in terms of energy costs. This technical article deals with optimisation tips and energy efficiency savings in heating systems of a building. Heating systems have always been used when the... Read more

The post 8 actions to improve energy efficiency in heating systems appeared first on EEP - Electrical Engineering Portal.

Black Friday is gone, but Cyber Monday is here and it’s getting better! It’s the Last Day!! Let us share with you two Cyber Monday deals for our electrical engineers, expiring on December 1st: 20% off on EEP Pro Premium... Read more

The post Cyber Monday in EEP! 30% off on courses and 20% off on PRO membership plan! appeared first on EEP - Electrical Engineering Portal.

Power can be provided from mains power or from local gas turbines or diesel generator sets. Large facilities have high power demands, from 30 MW and upwards to several hundred MW. There is a tendency to generate electric power centrally... Read more

The post Typical electrical distribution scheme and SCADA system of an oil/gas production plant appeared first on EEP - Electrical Engineering Portal.

The purpose of a capacitor bank’s protective control is to remove the bank from service before any units or any of the elements that make up a capacitor unit are exposed to more than 110% of their voltage rating. When... Read more

The post How to control and protect capacitor banks before something goes wrong appeared first on EEP - Electrical Engineering Portal.

The Substation Automation Systems, often known as SASs, are responsible for a tremendous variety of tasks. These include some extremely important actions, such as clearing faults in a timely manner in order to maintain the physical condition of power system... Read more

The post The true art of control, monitoring and protection provided by Substation Automation Systems appeared first on EEP - Electrical Engineering Portal.

Now a days rail transport become a cheap means of transport to any class of people and for the working of the trains it requires some energy in the form of Electrical finally to convert in to mechanical support for... Read more

The post Innovative Approach to Maglev Trains (Solar Energy) 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.

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.

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.

There are at least two safety requirements that medium-voltage switchgear MUST fulfil: an interlocking system and an arc protection system. Yes, these two systems are crucial in terms of safety because they protect not only the operator and other substation... Read more

The post Switchgear interlocking system and arc protection that you MUST consider in the design appeared first on EEP - Electrical Engineering Portal.

In 2004, I embarked on an intensive nine-month training program in protection and instrumentation. This experience laid the foundation for my deep understanding of substation protection systems, combining both theoretical knowledge and practical application. The first protection scheme we delved... Read more

The post Mastering Distance Protection and Calculations Part 1: Advice and Serious Warnings appeared first on EEP - Electrical Engineering Portal.

The first part of this article series delved into the fundamentals of overcurrent protection, exploring the intricacies of relay coordination, the impact of source impedance, and the application of distance protection. These foundational concepts laid the groundwork for understanding how... Read more

The post Mastering Distance Protection and Calculations Part 2: Never Mess Up Protection Accuracy appeared first on EEP - Electrical Engineering Portal.

Generator field winding is an integral part of the generator set which is responsible for generating the magnetic field that induces the stator emf when the rotor rotates. Regulation of current in this winding with the help of an AVR... Read more

The post Failures, Testing and Protections Associated with Field Winding of a Generator appeared first on EEP - Electrical Engineering Portal.

As part of our ongoing efforts to engage teachers with their local cinemas Film Education would like to invite you to attend Education Programming Hub Meetings in Nottingham and Newcastle

Film Education are holding an Education Programming Hub meeting for teachers at the Rich Mix Cinema on January 25th

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.

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.

Let’s discuss capacitor banks, but this time, not the basics. Let’s study the double-star capacitor bank configuration and protective techniques used in the substations. How important is to choose the right current transformer ratio, calculate rated and maximum overload currents,... Read more

The post Capacitor banks in substations: Schemes, relay settings, and protective measures appeared first on EEP - Electrical Engineering Portal.

Phoenix Restoration Equipment Unveils DryMax XL Pro Dehumidifier.

Reusable entry strip withstands 5 Pascals of negative air pressure

Lab testing and evaluation of wastewater among services now offered by online shop.

Personal protection against effects of hot weather and sun exposure.

Zeppelin Guys offers improved versions of its AIRWALL Xhaust 1.0 and 2.0.

Protimeter continues to push the boundaries of moisture detection technology with the release of the NEW Surveymaster. Featuring innovative pin and non-invasive measurement technologies, a larger display, built-in calibration check, and seamless Bluetooth integration for reporting through the Protimeter Connect app, the Surveymaster ensures that tracking moisture data is easier and more effective than ever before. 

Protimeter has unveiled its latest innovation, the Digital Mini moisture meter, featuring enhanced accuracy, a larger display, Bluetooth connectivity, and compatibility with the Protimeter Connect app. Discover how this advanced tool makes moisture data reporting more efficient and accessible for restoration professionals.

Discover key strategies you can share with your customers to help keep their home mold-free and maintain healthier living space.

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

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

Use these techniques to minimize risk at jobsites and prevent the bringing home of hazardous materials.

Listening carefully and communicating with clarity create a better process for all parties and help avoid issues.

Ivan Turner, CEO of Show Me Restoration, gives us a glimpse into a chapter of his book “The Confessions of a Serial Restorer” that is pending a publishing date within the first quarter of this year!

Learn how building a strong team culture, investing in leadership development, and planning for the future can set your restoration business up for long-term success.

PuroClean has been named one of the most profitable franchises of 2024 by Franchise Business Review, recognized for its strong financial performance and high franchisee satisfaction.

With Don O'Dell's expertise in quality service and safety, he is poised to lead New Crystal Restoration's project management team, further enhancing the company’s trusted reputation across the tri-state area. Learn more about his journey and the valuable skills he brings to this leadership role.

As communities recover from Hurricanes Helene and Milton, 1-800-Packouts, a leader in contents and personal property restoration, offers vital assistance to franchisees and residents through the Hurricane Relief Fund. With a 100% match on donations, the fund supports restoration efforts in impacted areas across the Southeast.