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Cable spacing as a means of noise mitigation
Cable spacing as a means of noise mitigation (photo credit: antec.com.au)Separation distancesIn situations where there are a large number of cables varying in voltage and current levels, the IEEE...
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13 features and advances of using electronic soft starters for a motor starting
13 features and advances of using electronic soft starters for a motor starting (on photo: 90kw Soft Starter in powder coated stainless steel cabinet on galvanised frame via...
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How to get rid off the harmonics in electrical system?
How to get rid off the harmonics in electrical system? (on photo: 3-Phase-Power Meter FLUKE 434 II with energy loss calculation – it measures active and reactive power, voltage imbalance and harmonics...
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10 Important Precautions When Working On Low Voltage Energized Equipment
10 Important Precautions When Working On Low Voltage Energized Equipment (photo credit: pacificsource.net)Have eyes in the back of head…For most work, the electrical equipment must be de-energized...
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Testing of Power Transformer – Measurement of Zero-Sequence Impedance
Testing of Power Transformer – Measurement of Zero-Sequence Impedance (on photo: preparing the 400 kV transformer for the test field inside the ABB’s factory)Earth-fault protectionPurpose of the...
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An Example of Choosing 138 kV Line Circuit Breaker
An Example of Choosing 138 kV Line Circuit Breaker (photo credit: wilsonconst.com)Let’s choose 138 kV line #3 circuit breakerTo better understand a process of high voltage equipment selection, let’s...
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What engineers should know about using conduits in power substation designs
What engineers should know about using conduits in power substation designs (on photo: Electrical conduit risers via Wikipedia)Design challengesThere are several locations where conduit is used in...
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Satellite communication for remote control and monitoring of substations
Satellite communication as an innovative solution for remote control and monitoring of substations (on photo: Pole mounted iDirect X1 outdoor remote & power supply using a .75M antenna via...
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Site selection considerations for the future power substation
Site selection considerations for the future substation (on photo: Richmond Substation by Tyler Wilson via Flickr)Final location of the facilityAt this stage, a footprint of the future power substation...
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Maintenance and inspection of the transformer bushings
Maintenance and inspection of the transformer bushings (photo credit: Bradley Woods via Flickr)Six different inspectionsThere are six different inspections to be performed on the bushings of the power...
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7 Most Known High Voltage Insulation Methods
7 Most Known High Voltage Insulation Methods (on photo: 400/220KV GIS switchgear at Hassi Messaoud by BINAMA Sarl)Homogeneous characteristicsBefore getting to the specifics of each material, there are...
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Analysing the costs of High Voltage Direct Current (HVDC) transmission
Analysing the costs of HVDC – High Voltage Direct Current (on photo: A transmission line of constant voltage of 600 kV DC, at 2400 kilometers built in Brazil in 2012; by IVOLINES via Flickr)Topics...
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Methods Of Mounting LV Circuit Breakers
Methods Of Mounting LV Circuit BreakersThree general groupsMethods used to mount circuit breakers can be divided into three general groups, those being:FixedRemovable (disconnectable unit), andDrawout...
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Methods Of Securing LV Circuit Breakers
Methods Of Securing Circuit Breakers (photo credit: Schneider Electric; Acti 9 miniature circuit breakers range)MethodsCircuit breakers are typically secured in place by one of the following...
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Main and Transfer (Inspection) Bus Arrangement commonly used in AIS
Main and Transfer (Inspection) Bus Arrangement commonly used in AIS (on photo: Air insulated substation in Kuwait; credit: ABB)For low reliability requirement situationsThe main and transfer bus...
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5 Most Common Critical Power Distribution Topologies
5 Most Common Critical Power Distribution Topologies (photo credit: crown-electric.com)Today’s mission-critical applicationsIn many of today’s mission-critical applications, ever-increasing reliability...
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An example of calculating the number of indoor lighting fixtures
An example of calculating the number of indoor lighting fixtures (on photo: Columbus, OH Ohio History Center reading room; by army.arch via Flickr)Input informationThese are the input data for the...
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The choice of system voltage according to ANSI standard C84.1
The choice of system voltage according to ANSI standard C84.1Power system designThe selection of system voltages is crucial to successful power system design. Reference lists the standard voltages for...
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10 Most Common Power Disturbances That Make Our Life Difficult
10 Most Common Power Disturbances That Make Our Life DifficultPower Quality IssueAs you know, deviation from sinusoidal form at the nominal voltage level is actually a power quality issue or power...
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Maintenance Management Of Electrical Equipment (Condition Monitoring Based) –...
Condition monitoring based maintenance management of electrical equipment (on photo: Performing the manufacturer’s recommended maintenance and testing of a circuit breaker will extend the equipment’s...
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