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DC versus AC power transmission with reference to bulk-energy transfer

High voltage transmission systems has a dual purpose, i.e. system interconnection and bulk-energy transfer. With reference to system interconnection, the need to operate the whole system in perfect synchronism often…...

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Sep 14, 2018 | Edvard

DC versus AC power transmission with reference to bulk-energy transfer

Single phase and three phase capacitive-load switching in transmission & distribution systems

The interruption of capacitive currents is a usual switching case, unlike the making and breaking of fault currents. The usual cases, in which a capacitive current is switched, are switching…...

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Aug 30, 2018 | Edvard

Single phase and three phase capacitive-load switching in transmission & distribution systems

The technology behind distributed control system (DCS) in a thermal power plant

A DCS is the heart of a thermal power plant’s instrumentation and control systems. DCS stands for ‘distributed control system’, and the term ‘distributed’ means that several processors are operating…...

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Aug 09, 2018 | Edvard

The technology behind distributed control system (DCS) of a thermal power plant

9 topologies of medium voltage ring-main systems you should know about

Power systems are constructed can be operated as radial systems, ring-main systems or meshed systems. This technical article deals with nine most common topologies of ring-main systems, their characteristics and…...

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Jul 27, 2018 | Edvard

Medium Voltage Ring Main Systems In a Nutshell

Reasons and duties for switching in power transmission and distribution systems

The purpose of a power system is to transport and distribute the electric energy generated in the power plants to the consumers in a safe and reliable way. Generators take…...

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Jul 12, 2018 | Edvard

Reasons and duties for switching in power transmission and distribution systems

Measurements of bad impulsive noise in HV substation caused by partial discharge (PD) sources

The phenomenon of impulsive noise is generated by partial discharge (PD) sources in high voltage substations. A PD generates a current impulse, acoustic noise, visible and ultraviolet (UV) light and…...

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Jun 22, 2018 | Edvard

Measurements of bad impulsive noise in HV substation caused by partial discharge (PD) sources

Critical role of time synchronisation in IEC 61850 based digital protection systems

The needs and exact precision of time synchronization in IEC 61850 based digital protection systems have evolved. With new technologies and better distribution methods, most modern intelligent electronic devices (IEDs)…...

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Jun 08, 2018 | Edvard

Critical role of time synchronisation in IEC 61850 based digital protection systems

Earthing In a Nutshell (Classification, Isolated Neutral, Methods Of Neutral Grounding)

The term earthing or grounding means connecting the non-current-carrying parts of the electrical equipment or the neutral point of the supply system to the general mass of earth in such…...

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May 18, 2018 | Edvard

Earthing In a Nutshell (Classification, Isolated Neutral, Methods Of Neutral Grounding)

High Voltage Cables In a Nutshell (Technology, Bonding, Installation and Service)

Differences between the electrical characteristics of overhead transmission lines and high voltage AC cables are fundamental and must be considered. This article gives a brief introduction to cable technology, with…...

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May 04, 2018 | Edvard

High Voltage Cables In a Nutshell (Technology, Bonding, Installation and Service)

The Essentials Of Low Voltage Installations, Loads and Loads Modelling

Electrical installations are power systems aimed at final low voltage electricity consumption in homes, offices, and small companies. In electrical installation, electricity is usually taken from the public distribution network. Recently…...

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Apr 20, 2018 | Edvard

The Essentials Of Low Voltage Installations, Loads and Loads Modelling


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