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Technical Articles

Solar Energy And Silver

The solar industry isn’t the largest consumer of silver, but it is a growing market that could give silver producers a boost. Most of the markets that silver serves follow… Read more

Jan 07, 2011 | Solar Power

Solar Energy And Silver

Transformer Losses Standards

Unlike many countries around the world, Europe has no mandatory standard on energy efficiency of distribution transformers. The two main documents which describe losses in transformers are: the European Standard… Read more

Jan 07, 2011 | Transformers

Transformer Losses Standards

SF6 gas as insulating and arc-quenching medium

Sulphur hexafluoride gas (SF6) is employed as insulation in all parts of the installation, and in the circuit-breaker also for arc-quenching. SF6 is an electronegative gas, its dielectric strength at… Read more

Jan 06, 2011 | High Voltage

Parallel Operation Of Transformers

Most transformers installed in parallel have the same kVA, turn ratios, and impedances, which can make it difficult for power engineers in industrial and commercial facilities to understand circulating currents… Read more

Jan 05, 2011 | Transformers

Parallel transformers - Siemens

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 | Maintenance

Maintenance Of SF6 Gas Circuit Breakers

Comparison Of Cable Insulating Materials

Electrical insulation materials are employed over the metallic conductors of underground cables at all voltage ratings. Polymeric materials are employed as the insulation, but the nature of the polymer may… Read more

Jan 03, 2011 | Cables

XLPE Insulated Power Cable

Do You Understand What Is Electric Shock?

Electric current passing through the body, particularly alternating current at power frequencies of 50 Hz and 60 Hz, may disrupt the nervous system, causing muscular reaction and the painful sensation… Read more

Jan 02, 2011 | Energy and Power

Electric shock danger sign

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 | Low Voltage

Molded Case Circuit Breakers (MCCB)

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 | Low Voltage

Maintenance Of Low Voltage Circuit Breakers