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Maintenance Management Of Electrical Equipment (Condition Monitoring Based) –...

Maintenance Management Of Electrical Equipment (Condition Monitoring Based) – Part 2 (photo credit: fluke.com) Continued from the first part of this technical article… Read it here. Predictive...

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5 Key Elements of Your Electricity Bill

5 Key Elements of Your Electricity BillEnergy-Saving OpportunitiesElectricity is a powerful form of energy that is essential to the operation of virtually every facility in the world. It is also an...

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Maintenance Management Of Electrical Equipment (Condition Monitoring Based) –...

Maintenance Management Of Electrical Equipment – Condition Monitoring Based, part 3 (photo credit: armcoilafrika.co.za Read previous parts of this serie – Part 1, Part 2 Decision for Condition...

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Rating Definitions Applied to Medium Voltage Circuit Breaker

Rating Definitions Applied to Medium Voltage Circuit Breaker (on photo: SQUARE D medium voltage circuit breaker 15kV 1200A)MV protection applicationsThe medium voltage circuit breaker is the device of...

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Maintenance Management Of Electrical Equipment (Condition Monitoring Based) –...

Maintenance Management Of Electrical Equipment (Condition Monitoring Based), Part 4 – on photo: Testing and maintenance at 500kV power plant Read previous parts of this serie – Part 1, Part 2 and Part...

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4 ways in which noise can enter a signal cable and its control – Part 1

4 ways in which noise can enter a signal cable and its control (photo credit: bicsi.org)Few words about interference…Noise, or interference, can be defined as undesirable electrical signals, which...

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14 terms of particular importance when discussing arc flash hazards

14 terms of particular importance when discussing arc flash hazards (photo credit: forums.mikeholt.com)Electrical arcsElectrical arcs form when a medium that is normally an insulator, such as air, is...

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Maintenance Management Of Electrical Equipment (Condition Monitoring Based) –...

Maintenance Management Of Electrical Equipment – Condition Monitoring Based, Part 5 (photo credit: irisys.co.uk) Read previous parts of this serie – Part 1 | Part 2 | Part 3 | Part 4 Preliminary...

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4 ways in which noise can enter a signal cable and its control – Part 2

4 ways in which noise can enter a signal cable and its control – Part 2 (photo credit: news.thomasnet.com) Continued from part 1… Read here. Electromagnetic induction and RFIIn previous part of this...

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10 Things to Consider When Selecting a High Quality Medium Voltage Drive

10 Things to Consider When Selecting a High Quality Medium Voltage Drive (on photo: high-voltage frequency converters TMDrive-MV 6kV produced by TMEIC, Japan; via it-spb.ru)10 Considerations to...

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Rating Definitions Applied to Low Voltage Molded-Case Circuit Breaker (MCCB)

Rating Definitions Applied to Low Voltage Molded-Case Circuit Breaker (MCCB)For system protection 600V and belowThe molded-case circuit breaker is the “workhorse” for system protection 600V and below....

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The need for electric energy is never ending

The need for electric energy is never ending…Distributed generationAs you guess, yes, the need for electric energy is never ending. Along with the growth in demand for electric power, sustainable...

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Maintenance Management Of Electrical Equipment (Condition Monitoring Based) –...

Maintenance Management Of Electrical Equipment – Condition Monitoring Based, Part 6 (on photo: Transformer diagnostic testing – standards to diagnose equipment with Sweep Frequency Response analysis;...

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3 Photovoltaic Installation Terms To Be Familiar With

3 Photovoltaic Installation Terms To Be Familiar With (150 kilowatt solar photovoltaic array at Food Bank of Northern Nevada; by BlackRockSolar via Flickr)Photovoltaic (PV) installationIn order to...

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8 Energy-Efficiency Improvement Opportunities In Electric Motors

8 Energy-Efficiency Improvement Opportunities In Electric Motors (on photo: Traction motor cooling blower motor and impeller covered by a hood; via irfca.org)Energy Saving OpportunitiesWhen considering...

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Energy Efficiency Aspects of Electric Motors

Energy Efficiency Aspects of Motors (photo credit: stiavelli.com)Load EfficiencyThree-phase squirrel-cage induction motors comprise a considerable percentage of the electrical load in the United...

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Rating Definitions Applied to Medium Voltage Fuses

Rating Definitions Applied to Medium Voltage Fuses (on photo: SOLEFUSE 20kV, via cvmerdekajayateknik.itrademarket.com)Greater than 2400V and less than 69kVThe definition of low voltage fuses is equally...

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What Is Earth And Why And How Do We Connect To It?

What Is Earth And Why And How Do We Connect To It? (photo credit: greymattersglobal.com)Zero PotentialThe thin layer of material which covers our planet – rock, clay, chalk or whatever – is what we in...

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Applications and Characteristics Of Overcurrent Relays (ANSI 50, 51)

Applications and Characteristics Of Overcurrent Relays (ANSI 50, 51)50/51 and 50/51N relaysOvercurrent relays are the most commonly-used protective relay type. Time-overcurrent relays are available...

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An Example of the Effectiveness of Directional Overcurrent Relays (ANSI 67, 67N)

An Example of the Effectiveness of Directional Overcurrent Relays (ANSI 67, 67N) (photo credit: ashidaelectronics.com)When fault currents can flow in more than one direction…When fault currents can...

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