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Archive: Category «Power Substation»

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Transformers Connected Directly to Generators

Power transformers connected directly to generators can experience excitation and short-circuit conditions beyond the requirements defined by ANSI/IEEE standards. Special design considerations may be necessary to ensure that a power transformer… Read more

Sep 01, 2012 | Edvard

Generator transformer

Site Conditions Impact on Caterpillar Genset Ratings

An engine rating is primarily limited by structural and thermal limits. These limits include maximum cylinder pressure during combustion, turbocharger speed, exhaust gas temperature and in natural gas engines, fuel type. Where an… Read more

Aug 17, 2012 | Edvard

Site Conditions Impact on Genset Ratings - Caterpillar

Bus Design In Aboveground Substations

Substations can be constructed partly or entirely within aboveground or belowground enclosures. However, cost is high and complexity is increased by fire-protection and heat-removal needs. The following discussion deals with… Read more

Jul 21, 2012 | Edvard

Gas insulated switchgear (GIS) - Siemens

Typical noise levels in power substation

Equipment noise levels may be obtained from manufacturers, equipment tendering documents, or test results. The noise level of a substation power transformer is a function of the MVA and BIL… Read more

Jul 05, 2012 | Edvard

Typical noise levels in power substation

Assemblies of switchgear and control panels (3)

Continued from 2nd part of article: Assemblies of switchgear and control panels (part 2) Now coverage of distribution panels and switchboards will be presented including molded case circuit breakers (MCCB), safety… Read more

Jun 30, 2012 | Edvard

Assemblies of switchgear and control panels (3)

Assemblies of switchgear and control panels (2)

Continued from 1st part of article: Assemblies of switchgear and control panels (part 1) Other components that are needed for the proper operation of the switchgear or control panel but not necessarily… Read more

Jun 29, 2012 | Edvard

Assemblies of switchgear and control panels (2)

Assemblies of switchgear and control panels (1)

Switchgear and control panels are found in power generating stations, transformer stations, distribution substations, commercial and institutional buildings, industrial plants and factories, refineries, paper mills, metal smelters and any other… Read more

Jun 28, 2012 | Edvard

Assemblies of switchgear and control panels

Substation Switching Schemes

This technical article is intended to provide description and comparison of single line options for a DESN substation. The goal is to provide an analytical comparison for all options so… Read more

Jun 26, 2012 | Edvard

Switching Scheme Of Substation

Commissioning of Electrical Equipment

To verify system condition after has been energized with rated system (service) voltage for which it is designed. Also to ensure the protection, metering system for correct directionality. Multimeter Phase… Read more

Jun 25, 2012 | Edvard

Commissioning of Electrical Equipment (on photo OKKEN Low Voltage Switchgear - Schneider Electric)
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