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Technical Articles Tagged With: «maintenance»

Maintenance

Sudden pressure relay in oil-filled power transformer

Internal arcing in an oil-filled power transformer can instantly vaporize surrounding oil, generating gas pressures that can cause catastrophic failure, rupture the tank, and spread flaming oil over a large… Read more

Mar 08, 2012 | By Edvard Csanyi

Figure 1 - Sudden pressure relay in oil-filled power transformer
Maintenance

Purpose and maintenance of transformer bushings

The two most common types of bushings used on transformers as main lead entrances are solid porcelain bushings on smaller transformers and oil-filled condenser bushings on larger transformers. Solid porcelain… Read more

Feb 05, 2012 | By Edvard Csanyi

Transformer porcelain bushings spare parts
Maintenance

Maintenance Of Meduim Voltage Circuit Breakers

Medium-voltage circuit breakers rated between 1 and 72 kV may be assembled into metal-enclosed switchgear line ups for indoor use, or may be individual components installed outdoors in a substation…. Read more

Apr 17, 2011 | By Edvard Csanyi

Maintenance Of Meduim Voltage Circuit Breakers
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 Csanyi

Risk and Consequences Of Transformer Fire
Low Voltage

The Switchboard Design Requirements

The following rules of design have to be implement in the aim to facilitate the assembly and especially the maintenance of the installation. The switchboard must be designed the way… Read more

Feb 01, 2011 | By Edvard Csanyi

Low voltage switchboard - Design requirements
Maintenance

Maintenance Of SF6 Gas Circuit Breakers

Sulfur Hexafluoride (SF6) is an excellent gaseous dielectric for high voltage power applications. It has been used extensively in high voltage circuit breakers and other switchgears employed by the power… Read more

Jan 04, 2011 | By Edvard Csanyi

Maintenance Of SF6 Gas Circuit Breakers
Low Voltage

Maintenance Of Molded Case Circuit Breakers (MCCB)

The maintenance of circuit breakers deserves special consideration because of their importance for routine switching and for protection of other equipment. Electric transmission system breakups and equip­ment destruction can occur… Read more

Jan 01, 2011 | By Edvard Csanyi

Molded Case Circuit Breakers (MCCB)
Low Voltage

Maintenance Of Low Voltage Circuit Breakers

The deterioration of low voltage circuit breaker is normal and  this process begins as soon as the circuit breaker is installed. If  deterioration is not checked, it can cause failures… Read more

Dec 31, 2010 | By Edvard Csanyi

Maintenance Of Low Voltage Circuit Breakers
Maintenance

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 | By Edvard Csanyi

Maintenance for UPS systems
Energy and Power

Battery monitoring and maintenance guidelines

Battery monitoring has become a very popular topic, and many companies have either purchased equipment or are in the process of evaluating these systems. This article discusses why monitoring is… Read more

Nov 21, 2010 | By Edvard Csanyi

Battery Monitoring And Maintenance


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