Comments on: Voltage Surge https://circuitglobe.com/voltage-surge.html All about Electrical and Electronics Wed, 08 Nov 2017 09:33:35 +0000 hourly 1 https://wordpress.org/?v=6.2.2 By: Rakesh Sharma https://circuitglobe.com/voltage-surge.html#comment-648 Wed, 08 Nov 2017 09:33:35 +0000 https://circuitglobe.com/?p=6140#comment-648 We are Panel manufacturers & we need to install Surge Arrester in a Commercial Building have 2.5 MVA – 3 Nos. Transformers feeding the entire Building. Their are 8 Incomers (Main LT Panel) of 4000 Amps as Incomer & distributed down the line up to 63 Amps in DBs.

Consultant has recommended 10 mode 160 / 200 KA per phase TVSS for the entire each & every Load from Transformer to DB end, Is it correct ? Please reply with some calculations.

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