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In the September issue of Electrical Contracting News (ECN), Sean Smith, Managing Director of Michael Smith Switchgear Ltd, looks at the standards relating to low voltage switchgear. Read the full article here 👉https://lnkd.in/eNnSB_mx #switchgear #circuitprotection #electrical #electricalstandards #electricalcontracting #electrician
We're really pleased to feature in ECN again this month 📰 Sean writes for the September edition about the importance of BS EN 61439. He covers how the standard relating to the manufacture of low voltage switchgear and controlgear assemblies was updated a decade ago. And - considering progress made in the intervening years - Sean tells ECN readers: "It’s quite rare that issues arise with LV switchgear assemblies. "When they do, it can be years after installation - and the consequences can be catastrophic. "Increased load and prematurely ageing materials can cause under-rated components and poorly-designed assemblies to overheat and catch fire. "BS EN 61439 redefined the minimum standard of how assemblies are designed, constructed and installed. "In one fell swoop, the Standard brought new order, safety, and reliability to the design, manufacture, and assembly of low voltage switchgear and controlgear assemblies." Thanks to Carly for commissioning the article and for all the Electrical Contracting News (ECN) readers engaging with it!
Group Editor, Electrical Contracting News and Data Centre & Network News | EIC Ambassador
In the September issue of Electrical Contracting News (ECN), Sean Smith, Managing Director of Michael Smith Switchgear Ltd, looks at the standards relating to low voltage switchgear. Read the full article here 👉https://lnkd.in/eNnSB_mx #switchgear #circuitprotection #electrical #electricalstandards #electricalcontracting #electrician
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Why is the voltage level for a transformer always 1.1 kV, 3.3 kV, 11 kV, 22 kV, 33 kV, 132 kV, etc.? The standard voltage levels for transformers are chosen for several technical and practical reasons: Power transmission efficiency: Higher voltage levels result in lower transmission losses, as the same amount of power can be transmitted with lower current. This makes higher voltages more efficient for long-distance power transmission. Equipment design: Transformer and switchgear equipment is engineered and optimized to operate reliably at these standardized voltage levels. Components like insulation, windings, bushings, etc. are designed for specific voltage ratings. Grid integration: Aligning transformer voltages to these common levels allows for seamless integration and interconnection within the overall power grid infrastructure. Safety and regulation: Standardized voltage classes help ensure consistent safety protocols, equipment specifications, and regulatory compliance across the electrical system. Cost-effectiveness: Manufacturing, installation, and maintenance of electrical equipment is more efficient when designed for these common voltage tiers, rather than custom voltages. The specific voltage levels you listed (1.1 kV, 3.3 kV, etc.) represent common standardized voltage classes used in medium and high-voltage power transmission and distribution systems around the world. These voltage levels strike a balance between transmission efficiency, equipment design, and practical implementation across the electrical grid.
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This time, We have covered the common questions that are generally asked about electrical infrastructure. Do let us know about those questions which wander in your mind all the time in the comment section. Till then do follow us! www.buildmyinfra.com | (+91) 844-8843-335 | sales@buildmyinfra.com #bmi #electrical #electricalexpertise #electricalinfrastructure #electricalsolutions #electricalsolution #electricalengineering #electricalsafety #safety
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