Energy and Power
How to start with the design of electrical installation?
The power analysis must be always at the very top of your tasks in the design of an electrical installation. It will enable the source(s) to be sized according to the purpose of the installation, the intended use of the… Read more
Feb 11, 2019 | By Edvard Csanyi
Electrical Lectures
The basic understanding of an earthing protection system (diagram and definitions)
As you already know, protective conductors are the main part of every earthing protection system, but the complexity of the system will increase with the requirements of information technology, voltage surge protection, local area networks, etc. with the risk of… Read more
Jan 16, 2019 | By Edvard Csanyi
Energy and Power
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How to determine compensation of reactive power of an electrical installation
Improving the power factor of an electrical installation (compensation of reactive power) has many economic and technical advantages, but it’s not always easy to do so. There are numerous approaches to do such job, so let’s try to with this…...
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Jan 11, 2019 | By Edvard Csanyi
Energy and Power
Well engineers, it’s about time… Happy New Year!
A short note from me today. I’d just like to wish you a very happy New Year on behalf of myself and everyone else at EEP. It’s been a long year with a lot of hard work done, and now…… Read more
Dec 31, 2018 | By Edvard Csanyi
Energy and Power
15 bad situations that may lead to catastrophic explosion of a capacitor bank
Some of the failure problems associated with capacitor banks are already known since they happen often. A few of the failures are traceable to the original source and sometimes that may be difficult to do. In many instances, the final… Read more
Dec 23, 2018 | By Edvard Csanyi
Energy and Power
The essence of LV circuit breakers – Releases, tripping curves, characteristics and limitation
A circuit breaker is both a circuit-breaking device that can make, withstand and break currents whose intensity is at most equal to its rated current (In), and a protection device that can automatically break overcurrents which generally occur following faults… Read more
Dec 17, 2018 | By Edvard Csanyi
Electrical Lectures
The Essentials Of Current Transformers In Power Circuits (Theory and Practice)
If the voltage or current in a power circuit are too high to connect measuring instruments or relays directly, coupling is made through transformers. Such measuring transformers are required to produce a scaled down replica of the input quantity to… Read more
Dec 03, 2018 | By Edvard Csanyi
Energy and Power
10 unbalance detection schemes for removing failed capacitor bank from the system
The main purpose of an unbalance detection scheme is to remove a capacitor bank from the system in the event of a failure and fuse operation. This will prevent damaging overvoltages across the remaining capacitor units in the group where… Read more
Nov 26, 2018 | By Edvard Csanyi
Energy and Power
Neutral earthing systems of generator sets (gensets)
Generator sets have specific features that must be taken into account for protection against electric shocks. Mobile sets cannot be connected to earth and their connection by means of a flexible cable can be easily damaged. In general, generator sets… Read more
Nov 08, 2018 | By Edvard Csanyi
Energy and Power
Automatic bus transfer scheme in thermal and nuclear power stations
In order to ensure uninterrupted supply to connected loads in thermal and nuclear power stations, two types of automatic supply transfer schemes are normally used: automatic bus transfer scheme and auto-changeover scheme. This technical article as explained by BHEL deals… Read more
Oct 24, 2018 | By Edvard Csanyi
Energy and Power
Four important factors related to proper application of a LV circuit breaker
Consideration of all the factors related to proper application of a low-voltage circuit breaker goes beyond voltage, current, and interrupting rating. The performance of a specific type of circuit breaker may be influenced by nonelectrical factors related to the installation… Read more
Oct 15, 2018 | By Edvard Csanyi
Electric Motor
Earth fault protection of an AC motor in four different earthing systems
One of the most common faults to occur on a motor is a stator winding fault. Whatever the initial form of the fault (phase phase, etc.) or the cause (cyclic overheating, etc.), the presence of the surrounding metallic frame and… Read more
Sep 10, 2018 | By Edvard Csanyi
Energy and Power
The study of harmonics and LV energy compensation
The harmonic currents are mainly down to the nonlinear loads in the installations. The most frequent harmonic sources are linked to the use of electric arcs (welding, arc furnaces, discharge lamps, etc.) and to magnetic machines. Power electronics (converters, variable… Read more
Aug 20, 2018 | By Edvard Csanyi
Energy and Power
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The technology behind distributed control system (DCS) in a thermal power plant
A DCS is the heart of a thermal power plant’s instrumentation and control systems. DCS stands for ‘distributed control system’, and the term ‘distributed’ means that several processors are operating together. This is usually achieved by dedicating tasks to different…...
Membership Upgrade Required
This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers.With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
Spring Gift! - 20% Off on Pro Membership Plan with coupon 110KVAC
Upgrade
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Aug 09, 2018 | By Edvard Csanyi
Energy and Power
8 practical applications of testing ground system using clamp-on tester
First of all, it is extremely important that the operator/engineer understand the ground system that is being tested. The clamp-on measurement works well in many situations, but it has limitations and is not applicable in some configurations. Clamp-on ground testing… Read more
Aug 08, 2018 | By Edvard Csanyi
