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Design of Auto/Manual Changeover Logic Between Two Busbars Within a Substation
In any industry/plant, the operations rely heavily on interruption free supply of power to meet the targets of production. As a result, we see emergency generators, UPSs or renewable energy sources to...
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Seven steps to improve visual impact of a power substation
The aesthetics of the substation should be of greatest significance to the community. To ensure environmental compatibility and community acceptance, it is vital to involve the community in the early...
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Alarms Coming From the Shunt Reactor You Must Never Ignore (and what should...
Nowadays, monitoring of transformers and shunt reactors is pretty much common. However, the difference is in the nuances. There are dozens of parameters that can be monitored and the the overall cost...
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Four most important power transformer analyses
To be clear, nowadays, you can perform dozens of analyses on a transformer, and all of them are very important. However, it should not be that hard to separate a few of them, the most important ones....
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The intricacy of medium-voltage circuit breaker ratings
When you look at the IEC 62271-100 for MV breaker ratings, you will likely find a bunch of rated-something ratings. It could be hard for young engineers to catch up with all ratings, especially since...
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MCC Circuit Featuring Auto Re-Closure Relay Functionality
An MCC circuit of a motor could be based on the Direct Online Starter (DOL) or Star Delta Starter which has something to do with the requirement of the power system in an industry. But it could have...
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Best practices in earthing of metallic fences in HV outdoor substations
It is recommended that all substations have a perimeter fence surrounding the area where the electrical equipment is housed. As far as security measures go, it is the first line of defense. For the...
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Pitfalls hidden in determining transformer tank, bushings, insulation, and...
Managing specification and assests for large power transformers such as tank, bushings, insulation and short-circuit impedance is quite challenging. One mistake and you’re done! Power transformers...
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Thermal conditions of electrical equipment and temperature monitoring
Loose connections or worn out contact surfaces are the root causes of electrical system conduction troubles. They cause a local temperature increase, which worsens the contact quality even further as...
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Why do power grid crashes and total blackouts happen?
Minimizing the likelihood of blackouts is of the highest importance due to the significant effects that would result from partial or total blackouts in highly industrialized nations. Additional...
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