we Donald Trump's win: YOUR questions answered By www.bbc.com Published On :: Fri, 08 Nov 2024 11:45:22 GMT Donald Trump has won the 2024 US election and will be president for a second time from early next year. Lots of you had questions and we asked a BBC expert to answer them. Full Article
we Strange News: The week's weirdest stories By www.bbc.com Published On :: Fri, 08 Nov 2024 06:19:46 GMT Nina has our weekly dose of Strange news. We've got some cake, some giant masks and some apples in a bath! Full Article
we Quiz of the Week: Have you been following this week's news? By www.bbc.com Published On :: Fri, 08 Nov 2024 06:20:33 GMT Test your knowledge of recent news with our Quiz of the Week. Full Article
we Anti-Bullying Week: ‘United Against Bullying’ By www.bbc.co.uk Published On :: Mon, 16 Nov 2020 06:35:24 GMT This week is the 19th annual Anti-Bullying Week, an event intended to raise awareness about bullying, and share advice about how children, teachers, parents and schools can all help stop it. Full Article
we Anti-Bullying Week: Why does someone become a bully? By www.bbc.co.uk Published On :: Tue, 17 Nov 2020 10:17:37 GMT Ricky shares his experience of being bullied when he was younger and asks an expert, why does someone become a bully? Full Article
we Anti-Bullying Week 2024: 'Choose Respect' to tackle effects of bullying By www.bbc.com Published On :: Sun, 10 Nov 2024 12:49:14 GMT Many schools across the UK will be marking Anti-bullying Week, but what is it all about? Full Article
we Nasa finishes spacecraft for TRACERS space weather mission By www.bbc.com Published On :: Wed, 13 Nov 2024 09:28:44 GMT It's hoped that TRACERS will help scientists better understand how the Sun influences our planet. Full Article
we Punch above your weight By www.usingenglish.com Published On :: Fri, 08 Oct 2021 23:59:59 +0000 If you punch above your weight, you do or try to do things that should be beyond your abilities or expected capacity. Full Article
we Twelve high voltage cable construction techniques used worldwide By electrical-engineering-portal.com Published On :: Mon, 29 Apr 2024 06:18:58 +0000 This technical article discusses twelve different methods for laying high voltage cables. Out of the ten, four are deemed conventional and eight are deemed progressive. Many various utilities and companies all across the globe are making use of them, though... Read more The post Twelve high voltage cable construction techniques used worldwide appeared first on EEP - Electrical Engineering Portal. Full Article Cables Energy and Power Transmission and Distribution cable ducts cable laying cable shafts cable trenches cable tunnels concrete direct burial duct banks excavation ground surface high voltage cable high voltage cable construction techniques horizontal drilling laying cables laying high voltage cables microtunneling microtunnels pipe jacking polyethylene pvc
we Largest US public power company launches new nuclear program By www.power-eng.com Published On :: Thu, 10 Feb 2022 21:04:32 +0000 The largest public power company in the U.S. is launching a program to develop and fund new small modular nuclear reactors as part of its strategy to dramatically reduce greenhouse gas emissions. Full Article AP News News Nuclear Policy & Regulation TVA
we Family, data and power generation: A conversation with CPS Energy’s Melanie Green By www.power-eng.com Published On :: Fri, 11 Feb 2022 13:00:00 +0000 Melanie Green is currently Sr. Director of Power Generation at CPS Energy in San Antonio, Texas. Full Article Featured News CPS Energy
we ERCOT: What’s changed since Uri and what weaknesses remain By www.power-eng.com Published On :: Mon, 14 Feb 2022 19:09:40 +0000 Everyone agrees Winter Storm Uri was a wake-up call. While the ERCOT grid operated successfully through Winter Storm Landon, some work remains to ensure the grid doesn’t snooze during the next major winter weather event. Full Article Gas Issues News Policy & Regulation ERCOT
we Glean - Searching the Web for Educational Videos By careertechtesting.blogspot.com Published On :: Mon, 27 Jan 2014 15:46:00 +0000 I wanted to tell you about a service I recently discovered called Glean. Glean searches the web for educational videos (lessons) in math and science and then structures and organizes them (setting, pace, teaching style, grade level, etc.), tags them by educational standard and adds interactive tools, i.e. Q&A and practice exercises. As you provide feedback, Glean selects the best video lessons for you based on your learning styles and preferences. Glean - Exploring the best video lessons in education Full Article Curriculum Education Instruction Online Learning Technology
we Auxiliary DC power system used for fault detection, trip coils and remote operation By electrical-engineering-portal.com Published On :: Mon, 20 Nov 2023 08:07:53 +0000 The auxiliary DC control power system is considered the most crucial element of a protection, control, and monitoring system. The failure of the direct current (DC) control power can result in the inability of fault detection devices to identify faults,... Read more The post Auxiliary DC power system used for fault detection, trip coils and remote operation appeared first on EEP - Electrical Engineering Portal. Full Article Energy and Power Low Voltage Power Substation Protection auxiliary dc power system auxiliary direct current battery battery charger battery fuse battery types battery-based system charging system control and protection systems dc distribution system dc power dual dc auxiliary supply system fault detection nickel-cadmium batteries switch transfer trip coils uninterruptible power supply ups vrla
we Twelve ultimate mistakes when selecting circuit protection for low-voltage equipment By electrical-engineering-portal.com Published On :: Mon, 08 Jan 2024 08:26:38 +0000 To be honest, a circuit breaker is fairly simple device. However, the process of specifying circuit protection is often complicated and unclear, leading many engineers to either include insufficient or excessive protection in their equipment designs. Insufficiently protected circuits expose... Read more The post Twelve ultimate mistakes when selecting circuit protection for low-voltage equipment appeared first on EEP - Electrical Engineering Portal. Full Article Energy and Power Low Voltage Power Substation Protection breaker breaker interrupting capacity cb rating circuit breaker circuit protection excessive heating fuse in-rush current ip protection degree low-voltage equipment magnetic circuit breakers nuisance tripping over specifying switch terminal thermal-magnetic circuit breakers transient current tripping withstand voltage
we Controlling power system parameters through reactive power (VAr) compensation By electrical-engineering-portal.com Published On :: Mon, 17 Feb 2020 08:02:41 +0000 To be honest, transmission and distribution networks are full of problems. But that’s nothing new, and you already knew that. This technical article will shed some light on solving some pretty severe problems in transmission and distribution networks by using... Read more The post Controlling power system parameters through reactive power (VAr) compensation appeared first on EEP - Electrical Engineering Portal. Full Article Energy and Power Power Quality Transmission and Distribution arc furnace electric welding harmonic currents harmonic filters power supply reactive power reactive var control saturated reactor type compensator shunt capacitance shunt capacitor banks statcom static var compensators thyristor controlled reactor thyristor switched capacitors
we Five power quality devices that every commercial plant must have installed By electrical-engineering-portal.com Published On :: Mon, 20 Apr 2020 06:36:53 +0000 Nowadays everybody speaks about power quality. For many reasons, I would say. Electrical energy is now polluted more than ever, and consumers are more sensitive to power disruptions and fluctuations than a small flower to the stronger wind. But, it... Read more The post Five power quality devices that every commercial plant must have installed appeared first on EEP - Electrical Engineering Portal. Full Article Energy and Power Power Quality Protection automatic transfer switch backup generator isolation transformer power quality power source surge protection surge protection device ups utility source voltage regulators
we How to measure power quality? What devices should you use and what to measure? By electrical-engineering-portal.com Published On :: Mon, 18 Jan 2021 06:46:53 +0000 Measuring power quality and finding a bugbear in the network which is messing with the power are considered a highly paid job. Every electrical network and its problems with harmonics, transients, or disturbances are unique and need careful planning, setting... Read more The post How to measure power quality? What devices should you use and what to measure? appeared first on EEP - Electrical Engineering Portal. Full Article Energy and Power Power Quality Testing and Commissioning chart recorders current waveform data loggers harmonic analyzers harmonic distortion harmonic frequency oscilloscopes power quality rms value transient disturbance transient disturbance analyzers true rms meters voltage current harmonic waveforms
we Practical design knowledge in harmonics distortion and power factor correction (PFC) By electrical-engineering-portal.com Published On :: Mon, 30 Aug 2021 06:42:26 +0000 Nowadays, if you do not consider harmonics distortion when designing a new network, you missed the whole point of the network design. Yes, really. The sooner you realize that harmonics problems are on the rise, the better. Modern power networks... Read more The post Practical design knowledge in harmonics distortion and power factor correction (PFC) appeared first on EEP - Electrical Engineering Portal. Full Article Low Voltage Medium Voltage Power Quality Power Substation 3rd harmonic 5th harmonic 7th harmonic capacitor current transformer detuning even harmonics harmonics harmonics distortion harmonics level non-linear loads odd harmonics pfc system power factor correction rectifier resonance resonant frequency total harmonic distortion transformer variable-speed drives
we 9 IELTS Informal Letter Model Answers By www.usingenglish.com Published On :: Mon, 15 Jul 2024 22:34:55 +0000 New Articles Entry: '9 IELTS Informal Letter Model Answers' has just been added to the Articles area of UsingEnglish.com. Full Article
we Design issues in HV busbar protection systems (substation topology and DC power supply) By electrical-engineering-portal.com Published On :: Mon, 27 Sep 2021 07:29:59 +0000 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. Full Article High Voltage Power Substation Protection Transmission and Distribution backup protection batteries bbp bus coupler busbar fault busbar protection busbar protection design busbar protection relay circuit breaker dc power supply double busbar fault clearance feeders numerical centralized arrangement protection zone single busbar substation topology transfer bus trip circuits triple busbar
we Good practice in the design of concrete and steel structures in power substations By electrical-engineering-portal.com Published On :: Mon, 26 Jun 2023 06:09:02 +0000 The process of designing a substation usually begins with the general substation layout, which is dependent on the required safety clearance and insulation withstand, as well as the permissible loads delivered to substation equipment and structures. The permissible loads, in... Read more The post Good practice in the design of concrete and steel structures in power substations appeared first on EEP - Electrical Engineering Portal. Full Article High Voltage Power Substation Transformers Transmission and Distribution ais anchor bolts batteries cable trenches chemical anchors civil works concrete slab control and power cables design guidelines foundations generators maintenance oil containment reinforced concrete substation buildings transformer foundation transformer oil leaking transformers
we Eleven most important calculations you can perform with power system analysis software By electrical-engineering-portal.com Published On :: Mon, 21 Aug 2023 06:25:23 +0000 This technical article we will go through a number of existing applications for conducting a wide range of electrical studies. However, the practice says that studies involving load flow and fault analyses are the most commonly utilized programs in power transmission... Read more The post Eleven most important calculations you can perform with power system analysis software appeared first on EEP - Electrical Engineering Portal. Full Article High Voltage Power Substation Protection Transmission and Distribution arc flash study available fault current cross sectional area earthing fast transients fault current fault-analysis feeder sizing load flow load flow analysis load flow study power flow power quality analysis power system analysis power system analysis software protection schemes steady-state transformer sizing transient stability voltage drop
we Mastering stability test of power transformer: Differential and Restricted Earth Fault (REF) protection By electrical-engineering-portal.com Published On :: Mon, 25 Sep 2023 05:55:16 +0000 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. Full Article Premium Content Protection Testing and Commissioning Transformers differential protection differential protection scheme failure fault hv windings injecting fault lv side primary current lv side secondary current lv windings measured primary currents measured secondary currents ref ref protection restricted earth fault protection stability test stable condition transformer differential protection transformer restricted earth fault protection tv windings unit protection scheme unstable condition
we Contract drawings for a power transformer – The checklist you should always follow By electrical-engineering-portal.com Published On :: Mon, 04 Dec 2023 08:39:02 +0000 This technical article provides a collection of the common drawings that are sent by the manufacturer to the client for approval and reference. The goal of these drawings is to verify that the transformers that are going to be manufactured... Read more The post Contract drawings for a power transformer – The checklist you should always follow appeared first on EEP - Electrical Engineering Portal. Full Article Power Substation Premium Content Protection Transformers alarm scheme arrangement drawing bill of materials bushings checklist contract drawings control scheme control selector switches cooler control cubicle diagram plate foundation plan indication circuit diagram junction box marshalling box on-load tap changer overload protection power transformer rtcc panel tap changer control schemes tripping scheme voltage regulating
we Transformers in plant power distribution: The bigger picture By electrical-engineering-portal.com Published On :: Mon, 04 Mar 2024 06:10:41 +0000 This technical article provides an overview of the various choices and assists electrical engineers in determining the criteria that should be included in the transformer specifications in order to meet the requirements of their particular application. A power plant often... Read more The post Transformers in plant power distribution: The bigger picture appeared first on EEP - Electrical Engineering Portal. Full Article Energy and Power Power Substation Transformers autotransformer auxiliary losses delta-delta delta-star insulation class load losses no-load losses off-load tap changer oil tank on-load tap changer phase shift power distribution power plant sta-delta star star tap changers temperature rise transformer cooling transformer dielectric test transformer impedance transformer losses transformer phase markings transformer winding configurations turns ratio zigzag
we EN61800-3 (IEC1800-3) – Adjustable speed electrical power drive systems By electrical-engineering-portal.com Published On :: Fri, 14 Jan 2011 16:11:48 +0000 The countries of the European Economic Area (EEA) have agreed on common minimum regulatory requirements in order to ensure the free movement of products within the EEA. The CE marking indicates that the product works in conformity with the directives... Read more The post EN61800-3 (IEC1800-3) – Adjustable speed electrical power drive systems appeared first on EEP - Electrical Engineering Portal. Full Article IEC Standards Variable Speed Drives adjustable speed converters drive systems electrical power en61800-3 iec1800-3 thd
we An Overview of IEC 60076-10 – Determination Of Sound Levels Of Power Transformers By electrical-engineering-portal.com Published On :: Wed, 14 Aug 2013 04:27:39 +0000 The audible sound radiated by transformers is generated by a combination of magnetostrictive deformation of the core and electromagnetic forces in the windings, tank walls and magnetic shields. Historically, the sound generated by the magnetic field inducing longitudinal vibrations in the... Read more The post An Overview of IEC 60076-10 – Determination Of Sound Levels Of Power Transformers appeared first on EEP - Electrical Engineering Portal. Full Article IEC Standards Transformers electromagnetic forces reactor sound intensity sound power sound pressure transformer vibrations windings
we Jet pumps used for private well systems or low flow irrigation applications By electrical-engineering-portal.com Published On :: Mon, 12 Aug 2013 04:03:59 +0000 Jet Pumps are mounted above ground and lift the water out of the ground through a suction pipe. Jets are popular in areas with high water tables and warmer climates. There are two categories of jet pumps and pump selection... Read more The post Jet pumps used for private well systems or low flow irrigation applications appeared first on EEP - Electrical Engineering Portal. Full Article HVAC Industrial Automation centrifugal pump deep-well jet pump jet ejector jet pumps pump shallow-well jet pump venturi water level
we Solar Panels and Feed-in Tariffs – The Intricacies of Solar Power By electrical-engineering-portal.com Published On :: Mon, 25 Jul 2011 05:33:10 +0000 At its most basic, Solar Power is the conversion of sunlight into electricity; either directly using photovoltaics (PV), or indirectly using concentrated solar power (CSP). CSP systems use a combination of lenses/mirrors and tracking systems to focus a large area... Read more The post Solar Panels and Feed-in Tariffs – The Intricacies of Solar Power appeared first on EEP - Electrical Engineering Portal. Full Article Solar Power electricity feed-in tariffs photovoltaic solar solar panels solar power sunlight
we An Overview Of Smart Power Grid By electrical-engineering-portal.com Published On :: Mon, 20 Aug 2012 03:45:41 +0000 The present electric grids use the technology of 1970’s. But with the advancement in various concepts of power generation, problems associated with power outages and thefts, and also due to increase in demand, we require a modernized grid to avail... Read more The post An Overview Of Smart Power Grid appeared first on EEP - Electrical Engineering Portal. Full Article Energy and Power Energy Efficiency Monitoring Renewable Energy Smart Grid Transmission and Distribution alternative energy distribution electricity energy generation grid smart grid transmission
we Comparison of major power grid failures in US and around the world (1) By electrical-engineering-portal.com Published On :: Wed, 25 Dec 2013 07:26:22 +0000 The creation and delivery of power is one basic infrastructure expected by all modern industrial societies. Power distribution basics started in the US in the early 1900s when the first AC grid was established. Since 12 independent power grids were... Read more The post Comparison of major power grid failures in US and around the world (1) appeared first on EEP - Electrical Engineering Portal. Full Article Smart Grid Transmission and Distribution grid failures major grid failures major power outages massive power outage power grid power outages power surge transmission lines
we Comparison of major power grid failures in US and around the world (2) By electrical-engineering-portal.com Published On :: Fri, 27 Dec 2013 05:27:48 +0000 Continued from first part: Comparison of major grid failures in United States and around the world (part 1) On the International side, about 1/5 of the power outages (9 of 44) were not given a cause in the reports. A... Read more The post Comparison of major power grid failures in US and around the world (2) appeared first on EEP - Electrical Engineering Portal. Full Article Smart Grid Transmission and Distribution heat waves major grid failures power grid power outages substation substation failures summer storms winter storms
we Learn how to use PLC and VFD for pump control: Power and control circuits analysis By electrical-engineering-portal.com Published On :: Wed, 27 Nov 2019 11:21:39 +0000 For the last several decades, every engineering task related to processing control is realized by the use of PLC (Programmable Logic Controller). If we are talking about induction motor control, which is the most common case, usually a VFD (Variable... Read more The post Learn how to use PLC and VFD for pump control: Power and control circuits analysis appeared first on EEP - Electrical Engineering Portal. Full Article Electric Motor Industrial Automation Premium Content automation cubicle auxiliary relay mcc motor control plc plc binary inputs pump control submersible pump temperature protection variable frequency drive vfd
we Soft starter for potable water well pump (wiring diagram, troubleshooting example) By electrical-engineering-portal.com Published On :: Fri, 27 Dec 2019 11:28:42 +0000 This article will analyze a real example of an electrical switchboard for a potable water well pump, containing a soft starter as one of the major components. Besides the explanation of the wiring diagram and working logic, some technical problems... Read more The post Soft starter for potable water well pump (wiring diagram, troubleshooting example) appeared first on EEP - Electrical Engineering Portal. Full Article Industrial Automation Low Voltage Premium Content bypass contactor control voltage high inrush motor motor thermal protection potable water well pump soft start soft starter soft stop ups device wiring diagram
we Well engineers, it’s about time… Pull the switch and enter the 2023! By electrical-engineering-portal.com Published On :: Sat, 31 Dec 2022 17:51:45 +0000 Here we are at the conclusion of 2022, a year that was very stressful for all of us. There are many aspects about this year that will be remembered, but, in my opinion, the same as it was for 2021,... Read more The post Well engineers, it’s about time… Pull the switch and enter the 2023! appeared first on EEP - Electrical Engineering Portal. Full Article Energy and Power News 2023 difficult times eep eep academy electrical engineering courses electrical engineers learning new courses technical publications
we Major steps in designing generation and power evacuation in large hydropower plants By electrical-engineering-portal.com Published On :: Mon, 15 Nov 2021 08:46:10 +0000 Hydropower plants, one of the major sources of energy in countries with an abundance of water resources, have unique generation and power evacuation characteristics. From mere kilowatts to thousands of megawatts, they come in every shape and size. In this... Read more The post Major steps in designing generation and power evacuation in large hydropower plants appeared first on EEP - Electrical Engineering Portal. Full Article Hydropower Power Substation Premium Content Transmission and Distribution acsr conductors conductor selection design considerations generation capacity generator gis hydropower plants main transformer power evacuation power loss step-up transformer switchgear transmission line turbine voltage regulation
we Electrical engineering for hydropower, from run-of-river to pumped storage plants By electrical-engineering-portal.com Published On :: Mon, 13 Jun 2022 05:10:51 +0000 Nowadays, when we all see and feel the colossal crisis looming on the horizon, the question of energy security is among the first things on the table in each country’s management. It’s now essential more than ever for each country... Read more The post Electrical engineering for hydropower, from run-of-river to pumped storage plants appeared first on EEP - Electrical Engineering Portal. Full Article Energy and Power Energy Generation Hydropower Premium Content air insulated switchgear hydropower hydropower generation scheme hydropower plants kaplan motor control center pelton pumped storage plants rotor geometry step down transformer turbogenerators
we How To Control Reactive Power In Larger Electrical Plants With Multiple Incomers By electrical-engineering-portal.com Published On :: Wed, 15 Nov 2017 08:13:28 +0000 Most compensation banks are controlled stepwise. For this purpose it is essential to ‘know’ when it is allowed to (de)activate a capacitor step by the power factor relay (controller). The so-called C/k value is calculated by the step size C... Read more The post How To Control Reactive Power In Larger Electrical Plants With Multiple Incomers appeared first on EEP - Electrical Engineering Portal. Full Article Energy and Power Monitoring Power Quality busbar compensation current transformer incoming supply power factor power factor relay reactive power summation current transformer
we Isolation power solutions for ultimate power availability, efficiency and safety in hospitals By electrical-engineering-portal.com Published On :: Wed, 04 Aug 2021 20:43:25 +0000 Things are changing fast, really fast. Technology we used a few years ago is now obsolete, and if you take a look for a second – it’s always about power availability, efficiency, and safety. This technical article deals with Schneider... Read more The post Isolation power solutions for ultimate power availability, efficiency and safety in hospitals appeared first on EEP - Electrical Engineering Portal. Full Article Energy and Power Energy Efficiency Monitoring Protection ecostruxure power management software electrical fault detection electrical outlets healthcare facilities insulation monitoring isolation power solutions isolation transformer monitoring medical outlets myschneider panel builders operating rooms panel builders power availability schneider electric transformer overheating transformer overload unplanned downtime ups status
we What can go wrong with the nuclear power plant in the case of a grid loss: What to do? By electrical-engineering-portal.com Published On :: Mon, 22 Jan 2024 09:03:00 +0000 Acquiring the skill to operate a nuclear reactor bears resemblance to acquiring the skill to pilot an aircraft. The majority of airplane pilots rapidly acquire proficiency in performing take-offs and landings. The process that requires significant time and exertion, particularly... Read more The post What can go wrong with the nuclear power plant in the case of a grid loss: What to do? appeared first on EEP - Electrical Engineering Portal. Full Article Energy and Power Energy Generation Monitoring Protection backup power backup power supply batteries circulating water pumps diesel generators electrical grid grid failure grid loss nuclear power plant nuclear power station nuclear reactor pressurized water reactor primary circuit primary feedwater pumps reactor reactor coolant pump reactor shutdown steam generators substation turbine condensers
we How (should) power utilities handle grid failures by utilizing mobile substations By electrical-engineering-portal.com Published On :: Mon, 22 Jul 2024 06:38:30 +0000 Every nation has numerous vital facilities that are largely dependent on electricity to function. Infrastructures that are critical to a quick response to outages include the public health system, the communications sector, and government services like emergency first responders. Nonetheless,... Read more The post How (should) power utilities handle grid failures by utilizing mobile substations appeared first on EEP - Electrical Engineering Portal. Full Article Energy and Power Power Substation Premium Content Transmission and Distribution electrical loads equipment failure failed equipment grfi connections grid failures IEC 61936 IEC 62271 mobile substation mobile substations natural disasters natural outages outdoor bushings permanent substation planned maintenance prefabricated substations relocatable substations scheduled maintenance skid mount substation substation transport transmission and distribution weather outages
we Design engineering and the black start of a power plant By electrical-engineering-portal.com Published On :: Mon, 19 Aug 2024 06:31:48 +0000 A black start refers to the ability of a power plant to restart itself using its own resources in the event of a complete shutdown and isolation from external power sources. Initiating a black start at an industrial plant might... Read more The post Design engineering and the black start of a power plant appeared first on EEP - Electrical Engineering Portal. Full Article Energy and Power Energy Generation Protection Transformers black start brushless excitation circuit breakers combustion diesel generator plant fuel stack generator generator grounding mcc permanent magnets plant automation power plant power plant design power plant engineering station service transformers supercharging turbocharger turbocharging
we Do you know what reactive power compensation is? If not, keep reading, it’s important. By electrical-engineering-portal.com Published On :: Mon, 24 Oct 2022 05:34:34 +0000 When reactive power devices, whether capacitive or inductive, are purposefully added to a power network in order to produce a specific outcome, this is referred to as compensation. It’s as simple as that. This could involve greater transmission capacity, enhanced... Read more The post Do you know what reactive power compensation is? If not, keep reading, it’s important. appeared first on EEP - Electrical Engineering Portal. Full Article Electric Motor Energy and Power Transmission and Distribution capacitive braking compensation current phasor diagram induction motors phasor diagram power factor power factor correction reactive power reactive power compensation reverse torque series capacitors shunt capacitors shunt reactors static var compensators synchronous compensators torque transients voltage phasors voltage regulation
we How should facilities optimize their power consumption due to the hiking energy prices? By electrical-engineering-portal.com Published On :: Mon, 05 Dec 2022 06:27:57 +0000 Nowadays, the enormous energy consumption worldwide has taken a downturn due to the hiking energy prices. Whether it’s gas, oil, or coal, the rising costs forced many facilities worldwide to cut their energy expenses. This is a good moment to... Read more The post How should facilities optimize their power consumption due to the hiking energy prices? appeared first on EEP - Electrical Engineering Portal. Full Article Electric Motor Energy and Power Energy Efficiency Low Voltage centrifugal water chillers chilled water compressed air demand analysis demand controls electric motors energy consumption energy survey facility energy profile generators hiking energy prices hvac lighting control lighting system peak shaving power consumption power monitoring variable speed drives
we The art of achieving synchronous motor transient stability (especially in weak grids) By electrical-engineering-portal.com Published On :: Mon, 06 Feb 2023 04:40:01 +0000 Since the subject of this article is somewhat not-that-easy to understand, I suggest starting with the basics of the synchronous motor. In the synchronous motor, the basic magnetic field is obtained by direct current excitation rather than through the air... Read more The post The art of achieving synchronous motor transient stability (especially in weak grids) appeared first on EEP - Electrical Engineering Portal. Full Article Electric Motor Electrical Machines Premium Content brushes damper windings dc source direct current excitation external starting motor motor excitation motor starting overexcitation pony motor pull-in torque pull-out torque rotation direction running torque six-pulse diode bridge starting torque stator magnetic field synchronous motor synchronous speed underexcitation unexcited rotor variable frequency drive
we How to make the right selection of a digital transducer for power system measurements By electrical-engineering-portal.com Published On :: Wed, 19 Aug 2020 12:06:57 +0000 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. Full Article Metering Power Substation Protection analogue transducer cts current transducers digital transducer instrument transformers measurand phase angle transducer transducer accuracy transducer characteristics transducer inputs transducer outputs voltage transducers vts
we A few practical ways to determine required reactive energy compensation for a power system By electrical-engineering-portal.com Published On :: Mon, 01 Mar 2021 07:28:34 +0000 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. Full Article Energy and Power Low Voltage Metering Power Quality active power apparent-power capacitors compensation cosφ power factor power measurement power triangle reactive compensation power reactive energy reactive energy compensation reactive energy metering tanφ transformer voltage drop
we Should We Blame Supplier For Voltage Dips and Transients? By electrical-engineering-portal.com Published On :: Wed, 11 Mar 2015 05:48:34 +0000 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. Full Article Electronics Energy and Power Power Quality capacitor inductive loads switching transients voltage dips voltage drop voltage regulation
we Reactive power and power factor correction essentials to ALWAYS keep on mind By electrical-engineering-portal.com Published On :: Mon, 02 Sep 2019 05:35:36 +0000 Why reactive power and power factor correction are so important? Well, for experienced engineers, this is not the question but the fact. For young students who meet this matter and terms for the first time, it’s important to explain the... Read more The post Reactive power and power factor correction essentials to ALWAYS keep on mind appeared first on EEP - Electrical Engineering Portal. Full Article Electrical Lectures Energy and Power Power Quality capacitance inductance lagging power factor line losses power factor power factor correction power factor improvement reactive power series connection shunt connection voltage drop voltage regulation