April 2016
Intermediate to advanced
384 pages
12h 56m
English
Content preview from Newnes Circuit Calculations Pocket Book
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354 Circuit calculations pocket book
V
3
= V(2) x 2500 = 3535 V
If the two currents are 250 A and displaced by 90°, calculate the
current /
3
in the neutral wire.
/
3
= V(2) x 250 = 353.6 A
10 PRINT "PROG 29 4"
20 PRINT "TWO PHASE SUPPLY"
30 INPUT "PHASE VOLTAGE V2" ; V2
40 LET V3=l.4 14*V2
50 PRINT "VOLTAGE BETWEEN OUTER CONDUCTORS = " V3
Example 2 A two-phase, three-wire system with balanced loads has
a voltage of 2828 V between the outer conductors. Calculate the
phase voltage.
2828
phase voltage = —— = 2000 V
10 PRINT "PROG 2 95"
20 PRINT "TWO PHASE SUPPLY"
30 INPUT "ENTER OUTER CONDUCTOR VOLTAGE" ; V3
40 LET V2=V3/1.414
50 PRINT "PHASE VOLTAG ...
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