Energy and Power
A few practical ways to determine required reactive energy compensation for a power system
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… Read more
Mar 01, 2021 | By Edvard Csanyi
Energy and Power
The art of load shedding and online applications in a power system under an emergency state
Load shedding is a controllable reduction of a predetermined amount of the load power consumption according to specific shedding criteria. The predetermined amount of load to be shed is traditionally… Read more
Feb 24, 2021 | By Mohamed EL-Shimy
Medium Voltage
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Sizing of 110V DC charger for MV panels – Auxiliary power supply in power substations
An auxiliary DC power system that consists of a charger, battery bank, DC distribution system, and monitoring system is a critical part of the primary/secondary substation. It is directly associated…...
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Feb 08, 2021 | By Bishal Lamichhane
Energy and Power
How to measure power quality? What devices should you use and what to measure?
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,… Read more
Jan 18, 2021 | By Edvard Csanyi
Technical Guide/Paper
Transformers and equipment in underground distribution systems
The purpose of the transformer insulation resistance test is to measure the condition of a “major” insulation system – i.e., the insulation between a winding and ground (core) or between… Read more
Jan 06, 2021 | By Edvard Csanyi
Technical Guide/Paper
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Analysis of electric machines and drives in power industries
Numerous types of AC/DC and DC/DC converters are used in variable-speed drive systems to supply an adjustable DC voltage to the DC drive machine. In the case of AC/DC converters,…...
Premium Membership Required
This technical article/guide requires a Premium Membership. You can choose an annually based Plus, 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.Check out each plan’s benefits and choose the membership plan that works best for you or your organization.
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Nov 17, 2020 | By Edvard Csanyi
Medium Voltage
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Learn how to draft the layout and arrangement drawing of 33/11 kV distribution substation
Medium voltage substations fall within the sub-transmission power system category, which feeds the bulk consumers directly or facilitates the secondary and tertiary distribution to small industrial and household consumers over…...
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This technical article/guide requires a Premium Membership. You can choose an annually based Plus, 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.Check out each plan’s benefits and choose the membership plan that works best for you or your organization.
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Nov 17, 2020 | By Bishal Lamichhane
Technical Guide/Paper
A symmetrical component study of earth faults in power transformers in parallel
The behaviour of transformers in parallel under earth fault conditions is governed largely by the neutral point earthing of the circuit in which the fault occurs. The current and voltage… Read more
Nov 11, 2020 | By Edvard Csanyi
Protection
Ohmic relay applications for protecting power system, lines and generators
This class of relays was originally used to protect transmission lines and were believed to measure the distance from the relay location to a fault. Currently, several types are applied… Read more
Nov 09, 2020 | By Edvard Csanyi
Technical Guide/Paper
Cold load pickup and inrush problems in protection of distribution feeder circuits
Usually when a distribution circuit is restored after an extended outage, the demand is greater than before the outage. Attempting to pick up this load can be problematic because the… Read more
Oct 12, 2020 | By Edvard Csanyi
Protection
How primary feeder, distribution transformer, fuses and service operate in radial networks
As we already know, distribution transformers step down from the distribution or primary feeder voltage to the utilization voltage. They are connected to the primary feeder, sub-feeders, and laterals through… Read more
Oct 12, 2020 | By Edvard Csanyi
Power Substation
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Hints on installation and commissioning power transformers (experience and recommendations)
Purchasing a power transformer for a project is always challenging for every electrical engineer dealing with the procurement. You could omit dozens of possible details from the final specification and…...
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This technical article/guide requires a Premium Membership. You can choose an annually based Plus, 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.Check out each plan’s benefits and choose the membership plan that works best for you or your organization.
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Sep 28, 2020 | By Edvard Csanyi
Technical Guide/Paper
Best practice in minimizing vulnerability of power systems to volcanic ashfall hazards
Electricity is the ‘life blood’ of modern society. Increasing demand for electricity has been driven by population growth and increasing use of electrically powered technologies. Electricity supply is arguably the… Read more
Sep 07, 2020 | By Edvard Csanyi
Technical Guide/Paper
Medium voltage switchgear and low voltage distribution in a nutshell
MDB is a panel or enclosure that houses the fuses, circuit breakers and ground leakage protection units where the electrical energy, which is used to distribute electrical power to numerous… Read more
Aug 31, 2020 | By Edvard Csanyi
Electrical Lectures
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… Read more
Aug 31, 2020 | By Edvard Csanyi
