Mathcad - 07-03

Mathcad - 07-03 - S 212.7KVA = S 3 I l ⋅ V l ⋅ = I l S...

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rev 1 poles 1 KVA kW Problem 7-3 Solution: From the NEC Table 430-7, for code letter H, the KVA/HP at starting (locked rotor) has a maximum value of 7.09. V l 230 volt = Hp 30 hp = K 7.09 KVA hp = S K Hp = S 7.09 KVA hp 30 hp =
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Unformatted text preview: S 212.7KVA = S 3 I l ⋅ V l ⋅ = I l S 3 V l ⋅ = I l 212.7 KVA ⋅ 3 230 ⋅ volt ⋅ = I l 533.923amp = NOTE: rated current for this machine would be about 80 amps according to the NEC...
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This note was uploaded on 03/26/2012 for the course ECET 231 taught by Professor Piller during the Spring '12 term at Purdue.

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