Energy and Power
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Ten most dangerous mistakes in the operation of low voltage switchgear (you should be aware of)
Low-voltage equipment is generally classified as any equipment that requires a rating of less or equal to 1000 volts to operate. With a majority of electrically driven equipment falling under this category in industrial environments, this technical article focuses on…...
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Dec 28, 2020 | By Ezeala Winner
Electric Motor
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Mastering Motor Control Center (MCC): Wiring diagrams and equipment from zero to hero
This article explains the standard MCCs components using the single-line and wiring diagrams to interpret the functionality of each component and the integral MCC function. The single line and the wiring drawings are a language of pictures that require comprehension…...
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This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, 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.
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Nov 02, 2020 | By Salem Alshahrani
Energy and Power
Eight fuse characteristics you must consider when designing protection circuits
Fuses were the first type of protection to be used, and they still have a place in numerous applications. Although they do not have the flexibility of adjustment and resetting capacity of a circuit breaker, they are nevertheless reliable, high… Read more
Sep 16, 2020 | By Edvard Csanyi
Low Voltage
Secondary LV/MV distribution substations in a nutshell (connections and types)
The general method of supplying bulk power to buildings, factories or other complexes is by means of an MV supply, usually at 10 kV, occasionally at 6.6 kV. The installation comprises secondary distribution substation at the point of entry, with… Read more
Aug 05, 2020 | By Edvard Csanyi
Low Voltage
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A case study of fault level calculations for a MV/LV network using direct method
This technical article represents the case study of fault level calculations for an MV/LV network using the direct method. There are many advantages of the direct approach, and the main of them is that it directly uses the system single…...
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This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, 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.
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Jul 19, 2020 | By Sivakumar K
Low Voltage
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My experience and guidance in the design and electrification of a modern airport
The electrical systems for airports require proper quality installations and consideration for features usually not involved in other electrical installations. In this article, we will be discussing the general elements of electrical practices and facilities which have special significance for…...
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Jun 29, 2020 | By Bishal Lamichhane
Energy and Power
Planning and installation of the low voltage switchgear – The devil is in the detail!
To be honest with you, the planning and installation of LV switchgear is a damn complicated job. But you knew that :) There are dozen of detail where you can stumble, if not planned carefully as they should be. The… Read more
May 24, 2020 | By Edvard Csanyi
Energy and Power
Four very important precautions for the installation of cables and busbar trunking systems
First, to be clear, there are dozen of concerns and precautions you should be aware of when we talk about energy transport. Cables and busbar systems are the most common and reliable ways to do so, at least until wireless… Read more
May 11, 2020 | By Edvard Csanyi
Energy and Power
Inevitable in almost all electrical switchboards – Residual current device (RCD)
Technology that RCD uses is so simple and so magical. The residual current device continually measures the difference between the value of the outgoing and incoming currents in the circuit it is protecting. If this difference is not equal to… Read more
Feb 12, 2020 | By Edvard Csanyi
Low Voltage
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Lessons I learned during installation and wiring of LV switchboard
Let’s start with some basic definitions from the United States National Electrical Code (NEC). Low voltage switchboard is generally defined as a large single panel, frame, or assembly of panels on which are mounted on the face, back, or both,…...
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Feb 05, 2020 | By Amar M
Energy and Power
Advice in choosing the right neutral earthing system for your installation
The choice of a neutral earthing system is dependent on requirements and objectives that are often contradictory to such an extent that sometimes several systems have to be created within one installation (islanding) in order to meet safety, maintainability, or… Read more
Feb 03, 2020 | By Edvard Csanyi
Low Voltage
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How does low voltage protection unit work and what’s the most important to understand
If we are talking about LV applications, the protection (or trip) unit is a functional part of a circuit breaker. In most cases, they are physically integrated into the same housing as well. To better explain the purpose of the…...
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Jan 23, 2020 | By Miodrag Kokotovic
Low Voltage
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How to avoid common mistakes during wiring and startup of power factor correction (PFC) cubicle
Power factor correction (PFC) and reactive power compensation (RPC) are often used as synonyms in practice. Although they are similar and mutually dependent terms, they don’t represent the same thing. RPC is a procedure for reducing total reactive power of…...
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Jan 16, 2020 | By Miodrag Kokotovic
Low Voltage
The story of designing the electrical part of MV/LV power substation
Designing a new MV/LV distribution substation is somewhat complicated and involves a lot of factors you must take care of. This technical article will try to present the essential steps in starting the design process. The beginning is always the… Read more
Jan 15, 2020 | By Edvard Csanyi
Industrial Automation
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Soft starter for potable water well pump (wiring diagram, troubleshooting example)
This article will analyze a real example of an electrical switchboard for a potable water well pump, containing a soft starter as one of the major components. Besides the explanation of the wiring diagram and working logic, some technical problems…...
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Dec 27, 2019 | By Miodrag Kokotovic
