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Learn about power engineering and HV/MV/LV substations. Study specialized technical articles, electrical guides, and papers.

Archive: Category «Low Voltage»

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…...

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Jul 19, 2020 | Sivakumar K

A case study of fault level calculations for a MV/LV network using direct method

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…...

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Jun 29, 2020 | Bishal Lamichhane

My experience and recommendations in the design and electrification of airports

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). An LV switchboard is generally defined as a large single panel, frame, or assembly of panels…...

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Feb 05, 2020 | Amar M

Lessons I learned during installation and wiring of LV switchboard

How does low voltage protection unit work and what’s the most important to understand

If we are talking about LV applications, protection (or trip) unit is functional part of circuit breaker, and in most cases, they are physically integrated in the same housing as…...

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Jan 23, 2020 | Miodrag Kokotovic

How does low voltage protection unit work

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…....

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Jan 16, 2020 | Miodrag Kokotovic

How to avoid common mistakes during wiring and startup of power factor correction (PFC) cubicle

Soft starter for potable water well pump (wiring diagram, troubleshooting example)

This article will analyse a real example of electrical switchboard for potable water well pump, containing soft starter as one of major components. Besides explanation of wiring diagram and working…...

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Dec 27, 2019 | Miodrag Kokotovic

Wiring diagram and troubleshooting the soft starter for potable water well pump


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