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Archive: Category «Power Substation»

Power Substation

Complete overview of lightning arresters (1)

Lightning can create voltage surges in several of the following ways. Lightning can score a direct hit on your house. It can strike the overhead power line which enters your… Read more

Sep 23, 2011 | By jiguparmar

Complete overview of lighting arresters
High Voltage

GIS vs AIS – Substation Earthing

Compressed SF6 gas used in MV and HV switchgears as an insulating medium has led to the development of compact gas-insulated substation (CIS) technology (figure 1). GIS , having many… Read more

Sep 12, 2011 | By Edvard

GIS vs AIS - Substation Earthing
High Voltage

AIS – Air insulated substations

In large, modern AC power systems, the transmission and distribution systems function to deliver bulk power from generating sources to users at the load centers. Transmission systems generally include generation… Read more

Sep 06, 2011 | By Edvard

Air Insulated Packaged Substations and Components
Power Substation

Animal deterrents and security in substation

The vast majority of electrical utility substations designed to transform transmission voltages to distribution class voltages employ an open-air design. The configurations may vary, but usually consist of equipment that… Read more

Sep 05, 2011 | By Edvard

Six-foot black snake the culprit in power outage
High Voltage

Budgeting and Financing Substation

The construction of new substations and the expansion of existing facilities are commonplace projects in electric utilities. However, due to the complexity, very few utility employees are familiar with the… Read more

Aug 16, 2011 | By Edvard

Budgeting and Financing Substation
Industrial Automation

How Stuxnet (PLC virus) spreads – Part 2

Continued from How Stuxnet (PLC virus) spreads – Part 1 » Read here Stuxnet is a computer worm designed to infect Siemens SIMATIC WinCC and S7 PLC products, either installed… Read more

Jul 23, 2011 | By Edvard

How Stuxnet (PLC virus) spreads
Power Substation

Electrical substation introduction and elements

An power substation is a subsidiary station of an electricity generation, transmission and distribution system where voltage is transformed from high or medium to low or the reverse using transformers…. Read more

Apr 29, 2011 | By Edvard

Electrical substation introduction and elements
Power Substation

Risk and Consequences Of Transformer Fire

The risk of a catastrophic fire with a properly inspected, tested, and maintained transformer is small. Proper maintenance and thorough testing of the transformer will prevent or detect many events… Read more

Feb 07, 2011 | By Edvard

Risk and Consequences Of Transformer Fire
Power Substation

Substation Ventilation Requirements – Ergon

Substations require special attention to ventilation in order to dissipate heat losses from electrical equipment. Wherever possible, natural air flow to the outside of the building will be used. Forced… Read more

Jan 19, 2011 | By Edvard

Substation Ventilation Requirements – Ergon
Power Substation

Security for Substation Communications

Until recently the term “security,” when applied to SCADA communication systems, meant only the process of ensuring message integrity in the face of electrical noise and other disturbances to the… Read more

Jan 13, 2011 | By Edvard

Security for Substation Communications
Power Substation

Reasons for Substation Grounding System

There are many parameters that have an effect on the voltages in and around the substation area. Since voltages are site-dependent, it is impossible to design one grounding system that… Read more

Jan 09, 2011 | By Edvard

Reasons for Substation Grounding System
Power Substation

Relationship Between Earthquakes And Substations

To secure and protect substation equipment from damage due to a seismic event, the relationship between earthquakes and substation components must first be understood. Earthquakes occur when there is a… Read more

Jan 09, 2011 | By Edvard

Earthquakes And Substations


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