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Report
No.
106189
Winding temperature rise measurements
207V 264V
Ambient temperature t1 (
o
C) ............................... :
24,0 24,0
—
Ambient temperature t2 (
o
C) ............................... :
22,6 23,1
—
Temperature rise dT of winding:
R
1
(Ω)
R
2
(Ω)
dT (K)
Limit dT
(K)
Insulation
class
Main trans. Primary winding (at 1/8Pmax), 207V
1,316
1,694
75,7
95
B
Sub trans. Primary winding (at 1/8Pmax), 207V
324,7
358,6
28,4
95
B
Main trans. Primary winding (at 1/8Pmax), 264V
1,316
1,745
85,2
95
B
Sub trans. Primary winding (at 1/8Pmax), 264V
324,7
404,2
64,2
95
B
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