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Monthly Archive for: «March, 2015»

Maintenance

Maintenance of transformer load tap changers (LTC)

LTC maintenance is the basis for the regulating transformer’s high level of reliability. The background for maintenance recommendations is as follows: Oil: For LTCs where oil is used for arc-quenching,… Read more

Mar 25, 2015 | By Edvard

Maintenance of Load Tap Changers (LTCs)
Energy and Power

11 major causes of power system failures

To gain a broader understanding of power system reliability, it is necessary to understand the root causes of system faults and system failures. A description of major failure modes is… Read more

Mar 18, 2015 | By Edvard

11 Major Causes of Power System Failures
Electric Motor

Comparison of motor speed control methods

It is often desirable to control the motor speed, usually for reasons process control for such variables as flow or pressure. Such applications as fans and pumps often have varying… Read more

Mar 13, 2015 | By Edvard

Comparison of motor speed control methods
Energy and Power

9 Recommended Practices for Grounding

Grounding and bonding are the basis upon which safety and power quality are built. The grounding system provides a low-impedance path for fault current and limits the voltage rise on… Read more

Mar 06, 2015 | By Edvard

9 Recommended Practices for Grounding


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