Electrical Design Calculations and Consideration Unit 7: Sub-main design and diversity - Pre-order Only
This unit looks at design of distribution circuits. This unit also covers that principles of assessing maximum demand including applying diversity and selectivity of overcurrent protective devices.
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This course is available for pre-order. The course will be made available soon.
The course has been written by Simon Ogborn FIET MSET LCGI, owner and lecturer at Erudite Training Ltd. Simon has been an electrical engineer for over thirty years, primarily working on critical power supplies within petrochemical plants. After attending college in 2004 to take his Design and Verification qualification, in which he attained a Distinction, he was asked to join the teaching team at Tameside College. Simon started Erudite Training in 2009 with the primary ethos being to teach the subject properly, not just coach for exams. This, in turn lead Simon to be head hunted by City and Guilds, in 2013, to become one of their Technical Consultants. Simon has been involved in many of the electrical qualifications since then, including working on the 2396 Level 4 Design and Verification. He is therefore ideally placed with technical understanding, teaching skills and the valuable insight into what errors candidates make in their exams.
• Access and understand the relevant regulations pertaining to this design element.
• Assess maximum demand for installations and parts of installations.
• Design distribution circuits, particularly sub-mains, for a range of circumstances.
• Select suitable size conductors to allow for distribution circuit voltage drop.
• Calculate earth fault loop impedance with allowance for sub circuits.
• Calculate three-phase distribution circuits feeding single phase final circuits.