Page 56 - Electrical Equipment Handbook _ Troubleshooting and Maintenance

TRANSFORMERS

TRANSFORMERS 3.13

, Wb

, A • turns

(a)
(t) and v P (t)

(t)
(t)
v P

t = Ni

V M
(t) = sin
t

N P
i m

(b)

t
FIGURE 3.8 (a) The magnetization curve of the transformer core. (b) The magnetization current caused
by the flux in the transformer core.

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