The essentials of power-generation systems you MUST know in the middle of the night!
When we talk about the power system, there are dozen of essential terms and definitions. One of the most important is for sure that any AC power system begins with a generating source. Electric generators… Read more
Aug 31, 2020 | Edvard
Substation and switchyard support structures for electrical equipment (you SHOULD know)
Substation and switchyard structures are used to support the above-grade components and electrical equipment such as cable bus, rigid bus, and strain bus conductors, switches, surge arresters, insulators, and other equipment. Substation and switchyard structures…...
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Aug 26, 2020 | Edvard
Earth fault protection in a solidly (effectively) earthed high voltage power systems
The fault statistic shows that earth faults are the dominating fault type and therefore the earth fault protection is of main importance in a network. The type of earth fault protection used is dependent of… Read more
Aug 24, 2020 | Edvard
How to make the right selection of a digital transducer for power system measurements
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…. Read more
Aug 19, 2020 | Edvard
My experience in solving problems in the cracker plant using a high-speed bus transfer solution
Incoming power supply details: Two of 6.6kV voltage lines are connected to the cracker plant from the distribution substation through reactors. Captive power plant (electricity generation facility) consists of two 36MVA gas turbine generators, two…...
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This technical article/guide requires a Premium Membership. Get access to all premium HV/MV/LV technical articles, electrical engineering guides, and papers. Check out each plan's benefits and choose the membership plan that works best for you or your organization.You can choose an annually based Plus, Pro, or Enterprise membership plan.Log InSign Up
Aug 17, 2020 | Satish Nurukurthi
Six differential stator-phase-fault protection (87) for all size generators (you MUST know)
Generally, phase faults at generators rarely occur, but when they do, large fault currents can flow and make the mess. The best protection is differential (ANSI 87), and this type is recommended for all generators,… Read more
Aug 12, 2020 | Edvard
Protection of three-phase motors from unbalance (loss of phase and phase rotation)
The most common cause of unbalance for three-phase motors is the loss of phase resulting from an open fuse, circuit breaker, connector, or damaged conductor. Unbalances in other connected loads can also affect the motor…. Read more
Aug 10, 2020 | Edvard
Secondary LV/MV distribution substations in a nutshell (connections and types)
The general method of supplying bulk power to buildings, factories or other complexes is by means of an MV supply, usually at 10 kV, occasionally at 6.6 kV. The installation comprises secondary distribution substation at… Read more
Aug 05, 2020 | Edvard
My practical experience in the electrical protection system of industrial generators
A functional protection system installed, commissioned, and maintained on critical equipment like an industrial generator is of high importance. As such, every protection system must have the ability to: accurately detect, discriminate and isolate, and…...
PREMIUM Membership Required
This technical article/guide requires a Premium Membership. Get access to all premium HV/MV/LV technical articles, electrical engineering guides, and papers. Check out each plan's benefits and choose the membership plan that works best for you or your organization.You can choose an annually based Plus, Pro, or Enterprise membership plan.Log InSign Up
Aug 03, 2020 | Ezeala Winner
