Substation

Substation: The assembly of apparatus used to change some characteristic (e.g. voltage, ac. to dc., frequency, p.f. etc.) of electric supply is called a Substation. Sub-stations are important part of…

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Current Graded Overcurrent Protection

Current Graded Overcurrent Protection: An alternative to time grading or in addition to time grading, current graded overcurrent protection can be applied when the impedance between two substations is sufficient.…

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Electrical Power Engineering Articles

Electrical Power Engineering Articles: This Electrical Power Engineering Articles which includes the following topics: Refrigeration Cycle Diagram Explain Vapour Compression Refrigeration System Explain Vapour Absorption Refrigeration System Thermoelectric Refrigeration System…

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Types of Motor Enclosures

Types of Motor Enclosures: In order to protect machines against the ingress of dirt and dust or larger foreign bodies like spanners, vermin etc. into it, it is desirable that…

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