Medium Voltage
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
High Voltage
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MV/HV switchgear (circuit breaker) switching capability and suitability for specific applications
Circuit breakers (CBs) do interrupt fault currents and close onto faults. Besides, they could be used as isolation devices like disconnectors. The CBs manufacturers’ brochures and standards provide extensive data…...
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Jul 26, 2021 | By Salem Alshahrani
Power Substation
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Load flow and short circuit analysis of a MV substation (case study 33/11 kV substation in ETAP)
Designing and operating a substation is a tiresome and challenging task, which requires hefty capital, a well-trained workforce, and lots of time. With the ever-expanding nature of electricity distribution, the…...
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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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Jul 12, 2021 | By Bishal Lamichhane
Maintenance
Uprating and expanding existing power substations (good practice and recommendations)
All actions involving substation construction require heavy planning. This is especially true of a program of substation uprating or expansion. The trend is toward the assessment of existing substations and… Read more
Jul 05, 2021 | By Edvard Csanyi
Energy and Power
The difference in how series and shunt capacitors regulate the voltage and reactive power flows
At a casual look, a capacitor seems to be a pretty boring and unsophisticated device, that is, two metal plates separated by a dielectric insulating material. Couldn’t be simpler than… Read more
Jun 21, 2021 | By Edvard Csanyi
Maintenance
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Learn how to troubleshoot the operation of distribution substations (problematic breakdowns)
The distribution substation is one of the most important yet arguably the most troublesome section of the power system. Prolonged operation and frequent switching make distribution substations more prone to…...
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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 14, 2021 | By Bishal Lamichhane
Protection
Schematics and docs needed for communication systems of substation protective relaying system
Communication systems of electric utilities have become increasingly critical to electric system protection, operation, and maintenance. For fast tripping and clearing of system faults, communication-aided relaying has become a common… Read more
Jun 09, 2021 | By Edvard Csanyi
Low Voltage
Distribution earthing systems in LV/MV networks (design instructions and precautions)
The electrical earthing system is designed to provide safe and correct operation of the network under normal, earth fault, and transient conditions. During earth fault conditions, large fault currents may… Read more
Jun 02, 2021 | By Edvard Csanyi
Power Substation
The essentials of overcurrent protection you are not allowed to forget (types and principles)
Relay protection is nowadays completely digitalized and very sophisticated; there is no doubt about that. But, do electrical engineers really understand what they do when setting parameters and navigate through… Read more
May 24, 2021 | By Edvard Csanyi
Low Voltage
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Dos and don’ts in operating LV/MV circuit breakers, relays, disconnectors and fuses
Typically, protecting an electrical system, low-voltage, medium-voltage, or high-voltage, whichever it is, does not entirely depend upon a single component. The protection system is often a coordinated combination of multiple…...
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May 17, 2021 | By Bishal Lamichhane
Power Substation
The most common failure modes of electrical equipment in distribution systems
Each piece of electrical equipment on a distribution system has a probability of failing. When first installed, a piece of equipment can fail due to poor manufacturing, damage during shipping,… Read more
May 10, 2021 | By Edvard Csanyi
Low Voltage
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Learn how to operate an unknown energized low voltage switchgear (practical experience)
Switchgear is an integral part of the electrical protection system, which is used for isolating the faulty parts as well as de-energizing the downstream equipment during maintenance or any other…...
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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 19, 2021 | By Bishal Lamichhane
Electrical Lectures
Learn how to interpret transformer nameplate information
As we all know, all substation equipment (should) have a metal plate with its “name” on it. Here we’ll discuss power and distribution transformers and information that their nameplates carry…. Read more
Apr 12, 2021 | By Edvard Csanyi
Power Substation
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Learn to successfully analyze single-line, schematic, P&ID, logic, and wiring diagrams
Engineering tasks require a good skill in reading and interpreting information on drawings. Engineering drawings are the industry cornerstone of conveying detailed and precise information on how to construct, troubleshoot,…...
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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 05, 2021 | By Salem Alshahrani
Low Voltage
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Learn how to draft the layout of an LV switchgear (sizing, designing equipment, installations)
Low voltage (LV) switchgear is a broad terminology that includes a wide range of equipment like circuit breakers, switches, offload isolators, MCCBs, etc. within the 1 kV rating required to…...
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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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Mar 22, 2021 | By Bishal Lamichhane
