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March 2019
Protection and control design engineering
Elec-Engg, provides design and engineering services on power projects, ranging in complexity from simple low voltage industrial designs to 500 KV substation design engineering. Elec-Engg can prepare all plans and schematic drawings in AutoCAD to enable customers to examine system design concepts and conformity with total design criteria before the manufacturing, construction, and permit process.
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Test Sheet Template
All you need to do is to download these excel files and you can work with them straight away. These test sheets can be filled on your PC or can be printed and filled in by hand. These test sheets are not copyrighted so you can edit them, change them as you wish. GENERAL CHECK
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Restricted Earth fault Protection in Transformers & Generators
Transformers and Generators are voltage sources. They are traditionally protected by an Overcurrent + Earth fault relay, normally mounted in the breaker panel. It should be noted that this protection alone is not adequate. When an earth fault occurs within the zone defined as A in the following figure (Internal fault), or within the machine,
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How to test an electric motor?
General: Check the appearance of the motor; Check for body damage or damage to the cooling fan blade or shaft Manually rotate the shaft to check the bearing condition; Check for free & smooth rotation. Note the motor data from the motor NAMEPLATE Earth Continuity: Use your ohmmeter to verify the resistance between earth and
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Maintenance of Substation
General Philosophy In today’s competitive market scenarios, power utilities are under tremendous pressure to cut down their maintenance costs as they form a significant portion of the operation costs. This has led the utilities to adopt condition-based maintenance of the equipment rather than the usual preventive maintenance being carried out at a fixed interval of
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