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Technical Articles

Types and Origins of Substation Fires

The risk of fire in substations has been historically low, but the possible impacts of a fire can be catastrophic. Fires in substations can severely impact the supply of power… Read more

Dec 26, 2010 | Power Substation

Substation Fire Protection

Energy Efficency In Hospitals – HVAC

In the following lines we will look at a number of case studies for energy saving options. These are subdivided into the following areas: – HVAC – Compressed air – Steam –… Read more

Dec 25, 2010 | Energy Efficiency

Energy Efficency In Hospitals - HVAC

Siemens – Busway Purpose and Definition

Commercial and industrial distribution systems use several methods to transport electrical energy. These methods may include heavy conductors run in trays or conduit. Once installed, cable and conduit assemblies are… Read more

Dec 23, 2010 | Energy and Power

Electrical power can be supplied to any area of a building by connecting standard lengths of busway.

Use Of Vacuum As A Breaking Medium

SF6 and vacuum are the two most modern breaking techniques in the fields of Medium Voltage (from 1 to 52 kV) and High Voltage (> 72.5 kV). They appeared in… Read more

Dec 22, 2010 | High Voltage

Fig-1 Evolution Of MV Circuit Breaker Markets In Europe

Establishing New Power Substation

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

Dec 20, 2010 | Power Substation

Power Switchyard

Characteristics of Lightning Strokes

Lightning, one of Mother Nature’s most spectacular events, started to appear significantly demystified after Franklin showed its electric nature with his famous electrical kite experiment in 1752. Although a great… Read more

Dec 19, 2010 | Energy and Power

Characteristics of Lightning Strokes

Basics Of Subtransmission Systems

Subtransmission systems are those circuits that supply distribution substations. Several different subtransmission systems can supply distribution substations. Common subtransmission voltages include 34.5, 69, 115, and 138 kV. Higher voltage subtransmission… Read more

Dec 17, 2010 | High Voltage

Transmission Lines

Maintenance for UPS systems

Maintenance of the UPS consists of preventive and corrective maintenance. Preventive maintenance consists of a scheduled list of activities. Performing these activities keeps the UPS in good working order and… Read more

Dec 16, 2010 | Maintenance

Maintenance for UPS systems

Solar Power Tower

Solar power towers generate electric power from sunlight by focusing concentrated solar radiation on a tower mounted heat exchanger (receiver). The system uses hundreds to thousands of sun-tracking mirrors called… Read more

Dec 15, 2010 | Solar Power

Keeping Motor Windings Dry

Special provision should be made to protect motor windings which operate in a damp atmosphere or are subject to condensation of moisture when out of service for long periods. Motors… Read more

Dec 14, 2010 | Electric Motor

AC motor stator windings


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