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The logic behind switchgear interlocking systems in substations

Switchgear interlocking is installed to protect both the equipment and the operator from dangerous situations caused by incorrect equipment operation. It can be categorized as operational interlocking and safety, or…...

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Dec 07, 2018 | Edvard

The logic behind switchgear interlocking systems in substations

Main components of a Gas Insulated Substation (GIS) you should know about

Gas insulated substations (GIS) use circuit breakers, disconnect switches and grounding switches, and have various means of indicating their position, either opened or closed, so the same as in AIS…....

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Nov 23, 2018 | Edvard

Main components of a Gas Insulated Substation (GIS) you should know about

The raising technology of high voltage vacuum circuit breakers (that could replace SF6…)

Because of great harmfulness of greenhouse effect, SF6 gas has to be limited. It is necessary to develop high voltage vacuum circuit breaker to replace SF6 circuit breaker. Insulating structure…...

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This content is available for Premium members only. Premium membership gives you an access to specialized technical articles and other extra premium content (electrical guides and software).Premium Membership ♛

Nov 07, 2018 | Ali Sepehri

High voltage vacuum circuit breakers - The raising technology

4 special capacitor applications in EHV systems you should know about

There are many other applications in the industry where capacitors are used for power factor correction or energy storage purposes. These include arc furnaces, resistance welding equipment, single-phase capacitor start,…...

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This content is available for Premium members only. Premium membership gives you an access to specialized technical articles and other extra premium content (electrical guides and software).Premium Membership ♛

Oct 26, 2018 | Edvard

4 special capacitor applications in EHV systems you should know about

7 essential functions of a digital substation automation system (SAS)

As you already know, every power substation consists of a group of HV devices whose individual sizes depend on substation operation voltages, which is called the primary equipment, as well…...

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This content is available for Premium members only. Premium membership gives you an access to specialized technical articles and other extra premium content (electrical guides and software).Premium Membership ♛

Oct 05, 2018 | Edvard

7 essential functions of a digital substation automation system (SAS)

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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This content is available for Premium members only. Premium membership gives you an access to specialized technical articles and other extra premium content (electrical guides and software).Premium Membership ♛

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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This content is available for Premium members only. Premium membership gives you an access to specialized technical articles and other extra premium content (electrical guides and software).Premium Membership ♛

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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This content is available for Premium members only. Premium membership gives you an access to specialized technical articles and other extra premium content (electrical guides and software).Premium Membership ♛

Jul 12, 2018 | Edvard

Reasons and duties for switching in power transmission and distribution systems

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