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… Read more
Dec 31, 2018 | By Edvard Csanyi
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Directional protection relays applied to multiple power sources, parallel circuits and loops
Directional protection is usually applied to distribution systems that contain multiple power sources, parallel circuits and rings/loops. For such systems it is absolutely necessary to have protection against fault currents…...
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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 27, 2018 | By Edvard Csanyi
Testing and Commissioning
Transformer pre-commissioning tests and after-receipt checks you MUST perform
Once oil filling is completed, various pre‐commissioning checks and tests are performed to ensure the healthiness of the transformer (or reactor) prior to its energization. Various electrical tests must be… Read more
Dec 26, 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… Read more
Dec 23, 2018 | By Edvard Csanyi
Protection
The Essentials Of Voltage Transformers (Advanced Theory and Practice)
The most common voltage sources for power system measurements and protections are either wound transformers (voltage transformers) or capacitive divider devices (capacitor voltage transformers or bushing potential devices). Some new… Read more
Dec 19, 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… Read more
Dec 17, 2018 | By Edvard Csanyi
Power Substation
Protection scheme for remote private substation with small generator
Connections of private substations to utilities are made more complicated with the addition of private-owned generation facilities. The choice of relays and their placement must be made to ensure adequate… Read more
Dec 12, 2018 | By Edvard Csanyi
Power Substation
Typical utility-consumer interconnection configurations
The utility-consumer interconnection provides the path for power flow between supplier (utility) and user (consumer). The interconnection may comprise one or more circuits and is assumed to include voltage transformation…. Read more
Dec 10, 2018 | By Edvard Csanyi
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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…...
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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Dec 07, 2018 | By Edvard Csanyi
Energy Generation
Protection Of The Power System Heart – The Generator
This technical article gives key points about the generator protection. To recover the generator from various kinds of faults, the generator protection scheme of the plant must be designed in such… Read more
Dec 05, 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… Read more
Dec 03, 2018 | By Edvard Csanyi
