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Archive: Category «Premium Content»

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

The art of arc-protection relaying in MV applications

Arc-flash detection relays are superior and provide much faster arc-flash detection times compared to the differential relays. With modern arc-flash detection technology, this detection time is of the order of…...

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Jan 08, 2020 | Edvard

The art of arc-protection relaying in MV applications

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

The analysis of MV/LV incoming supply configurations for large industrial plants

The metal-processing industry is an excellent example where you can find specific large industrial plants. Why specific? Maybe because in such plants, there are only a few individual large loads…...

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Dec 18, 2019 | Edvard

The analysis of MV/LV incoming supply configurations for large industrial plants

Where and why you should use thyristor switched reactive power compensation

Various aspects of reactive power compensation problems have already been mentioned in previous articles. However, because of consistency of this article, we will remind ourselves briefly on basic terms and…...

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Dec 12, 2019 | Miodrag Kokotovic

Why you should use advanced thyristor-switched reactive power compensation

How can a PLC and VFD be used for pump control (power and control circuits)

For the last several decades, every engineering task related to process control is realized by the use of PLC (Programmable Logic Controller). If we are talking about induction motor control,…...

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Nov 27, 2019 | Miodrag Kokotovic

How can a PLC and VFD be used for pump control (power and control circuits)

The wiring diagram and physical layout of the equipment inside the motor control centre

This article will provide a description of most important equipment and working principle of a real case motor control centre (MCC). That is an usual name for a switchboard with…...

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Nov 14, 2019 | Miodrag Kokotovic

The wiring diagram and physical layout of the equipment inside the motor control centre

Lessons I learned during the start-up of an MV switchgear

In the world of electrical engineering, a term start up assumes all works which are necessary to be done for putting in operation already tested switchgear, as close as possible…...

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Oct 31, 2019 | Miodrag Kokotovic

Lessons I learned during the start-up of an MV switchgear

Power supply conceptual schemes for small, medium-sized and large industrial plants

This technical article presents preferred system structures and power supply concepts for small, medium-sized and large industrial plants that meet the different requirements for power demand and supply quality. For…...

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Oct 22, 2019 | Edvard

Power supply conceptual schemes for small, medium-sized and large industrial plants


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