Medium Voltage
MV distribution system design based on metal-clad drawout switchgear
Nowadays, system design engineers have a choice of many types of systems that may be used for a particular application. This discussion covers medium voltage distribution systems and their practical… Read more
Aug 05, 2019 | By Edvard Csanyi
Medium Voltage
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Learn how to analyse and check wiring diagrams of a medium voltage switchgear
As already written earlier regarding the LV switchboard, wiring diagrams are used to show the control and signalization principle of operation inside the switchboard. Usually, they are given in form…...
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Jul 25, 2019 | By Miodrag Kokotovic
Protection
Critical aspects of a distance non-unit relay protection (you should understand)
Non-unit protection consists of circuits that measure and compare the voltages and currents at the relaying point. It is able to determine the location of the fault from these values…. Read more
Jul 15, 2019 | By Edvard Csanyi
Low Voltage
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The most important precautions during commissioning and start up of LV switchgear
Low voltage switchgear can often be a very complex and expensive piece of electrical equipment, usually representing one of the most critical and crucial parts of the project. In order…...
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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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Jun 13, 2019 | By Miodrag Kokotovic
Low Voltage
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Major components you can spot while looking at opened LV and MV switchboards
Depending on the size of the building or factory site and whether the supply is high voltage or low voltage, there may be requirements for both a main high voltage…...
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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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Jun 10, 2019 | By Edvard Csanyi
Energy Generation
Internal electrical systems within nuclear power plant stations (power sources)
Electrical systems within a nuclear power plant (NPP) deserve significant design considerations. The availability of on-site as well as off-site power plays a crucial role in nuclear power plant safety… Read more
Apr 29, 2019 | By Edvard Csanyi
Electrical Lectures
Single line diagrams of substations 66/11 kV and 11/0.4 kV (reading & analysis)
This technical article describes single line diagrams of two typical power substations 66/11 kV and 11/0.4 kV and their power flow, principles of incoming lines (incomers) and outgoing lines (feeders),… Read more
Apr 17, 2019 | By Edvard Csanyi
Low Voltage
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Learn to read and understand single line diagrams and wiring diagrams
Single line diagrams are used in common engineering practice as graphical representation of electrical switchboard or assembly containing more sections, i.e. cubicles. Basically, they are simplified and digest picture of…...
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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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Apr 12, 2019 | By Miodrag Kokotovic
Testing and Commissioning
Six system requirements of HV and EHV circuit breakers
With the phenomenal growth of the power system (EHV and HV) the duties that a circuit breaker is called upon to perform, besides the ability to handle short circuits, have… Read more
Mar 20, 2019 | By Edvard Csanyi
Power Substation
Six common bus configurations in substations up to 345 kV
This technical article explains six most common bus configurations used for distribution, transmission, or switching substations at voltages up to 345 kV. Presented single line diagrams and layouts are generalized… Read more
Mar 18, 2019 | By Edvard Csanyi
Energy Generation
Sizing a MV generator circuit breaker (GCB) in terms of breaking capacity
The main function of a circuit breaker is to carry the rated current of the generator and break both the short-circuit current supplied by the generator and that supplied by… Read more
Jan 14, 2019 | 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… Read more
Dec 17, 2018 | By Edvard Csanyi
Premium Content
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The logic behind switchgear interlocking systems in substations
Switchgear interlocking is installed to protect both the equipment and the operator from dangerous situations caused by incorrect equipment operation. It can be categorized as operational interlocking and safety, or…...
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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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Dec 07, 2018 | By Edvard Csanyi
High Voltage
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Main components of a Gas Insulated Substation (GIS) you should know about
Gas-insulated substations (GIS) use circuit breakers, disconnect switches, and grounding switches, and have various means of indicating their position, either opened or closed, so the same as in air-insulated substation…...
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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 23, 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… Read more
Oct 15, 2018 | By Edvard Csanyi
