The essentials of necessary auxiliary relays in tripping and control applications
Tripping circuit breakers and operating alarms in control and protection applications usually require more than one relay contact. Tripping relays are used to multiply the number of contacts available, provide… Read more
Feb 28, 2022 | By Edvard Csanyi
Lockout relay (master trip relay) in substation protection and control design
Lockouts and auto-reclosures are apprentices of power systems protection that have long served to regulate power supply and safeguard important components from probable catastrophes. But are we taking them seriously…...
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Feb 21, 2022 | By Bishal Lamichhane
Emergency breaking, stop and isolation intended to eliminate danger as quickly as possible
As their name indicates, emergency operations are intended to eliminate, as quickly as possible, a danger that occurs unexpectedly. The emergency break is designed to cut off the electrical power,… Read more
Feb 14, 2022 | By Edvard Csanyi
The limit of the substation noise level over which it begins to irritate the community
This article will try to shed some light on the most common noise-related concerns associated with existing substations and provide mitigation methods to address these concerns. The continuous noise created…...
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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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Jan 24, 2022 | By Edvard Csanyi
Learn how to prevent unplanned downtime and keep critical operations up and running
Power availability and reliability is a persistent problem and no matter the industry, or type of facility you run, downtime presents a costly risk to your operations and bottom line…. Read more
Jan 17, 2022 | By Edvard Csanyi
Differential protection (87R/∆I) applied to bus connected oil-immersed shunt reactors
Differential protection is the most commonly applied protection function for bus-connected oil-immersed shunt reactors. The function offers instantaneous protection for internal phase to phase and phase to ground faults. Internal… Read more
Jan 03, 2022 | By Edvard Csanyi
Where and how to find the root cause of a power transformer failure (troubleshooting guide)
When Whatsapp, Facebook, or Gmail is down, it’s manageable, but if transformers fail, the entire business comes to a standstill. No-power-no-business transformers, as the heart of every substation, impact industries…...
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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, 2021 | By Rahmatullah Alam
Eight most damaging overvoltages in industrial systems (root causes and prevention)
Electric insulation in energized systems is continuously under stress. Electric systems are subject to disturbances of many types which unavoidably produce overvoltages. However, the application engineer has at his command… Read more
Dec 20, 2021 | By Edvard Csanyi
How to modernize a power system while carrying the cost (examples of existing plant)
Existing power systems are often modernized although there is no expansion involved at the moment. The switchgear may be obsolete, representing a real hazard to the operating personnel and property…. Read more
Dec 06, 2021 | By Edvard Csanyi
How breaker failure relaying works?
Primary relays operate for a fault in their zone of protection in the shortest time and remove the fewest system elements to clear the fault. On the other hand, backup… Read more
Oct 15, 2021 | By Edvard Csanyi
AC substation detailed design guidelines: Best practice, dos and don’ts
Substation design is a very complex process that involves many professional engineers in many different areas. However, there are always few people who are leading the whole design process both…...
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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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Oct 11, 2021 | By Edvard Csanyi
Design issues in HV busbar protection systems (substation topology and DC power supply)
This technical article discusses criteria and requirements for designing protection systems for busbars in HV/EHV networks. One of the most critical requirements is reliable busbar relay protection to assure power system… Read more
Sep 27, 2021 | By Edvard Csanyi
Four abnormal operating conditions of a generator that could shut down the power plant
To be clear, the generator is very simple in construction and yet very complicated in operation rotating equipment. In a power plant, a generator cannot be considered in isolation because…...
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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 06, 2021 | By Edvard Csanyi
Isolation power solutions for ultimate power availability, efficiency and safety in hospitals
Things are changing fast, really fast. Technology we used a few years ago is now obsolete, and if you take a look for a second – it’s always about power… Read more
Aug 04, 2021 | By Edvard Csanyi
Special measures needed for switching MV capacitor banks and filter circuits
Switching of medium voltage capacitor banks and filter circuits poses special demands on the circuit-breaker. Potentially critical impacts are the inrush current and the stress of the recovery voltage. This… Read more
Aug 02, 2021 | By Edvard Csanyi