Transformer Short Circuit Current Curves - GE AKR-30S Manual

Akr series, low voltage power circuit breaker
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Transformer Short Circuit Cu rrent Cu rves
Continued
F i g . 58 1 Tra n s f : 1 5 0 0 1\VA
90,000
<f)
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80,000
a.
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<t
70,000
z
� 60,000
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u
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50,000
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G
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30,000
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20,000
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IOPOO
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O
0
0
5
I
2 0
D I S TA N C E
I N FEET FROM T R A NSFOR M E R TO POINT
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3 5 /XJO
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z
.
- 30 000
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25,000
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10,000
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5,000
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>-
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0
0
2
5
10
20
D I STANCE
I N F E E T
FROM TRANSFORMER
Fig. 58.5
Transf: 2 0 0 0 kVA , 4 8 0 V, 5 .7 5 % Z
"'
"'
a:
"'
a.
50,000
D I S TA N C E I N FEET FROM TRANSFOR M E R TO PO I N T OF B R E AK E R CON N E C T I O N
58
I
I
50
100
2 00
500
1000 200 0
5000
OF B R E A K E R CONNECTION
50
100
200
500 1000 2000
5000
TO PO I N T OF BREAKER C O N N E C T I O N
2000
50
100
200
500 1000
5000
30,000
<f)
UJ
5
80,000
a_
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20,000
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2
10
5
20
0
Dl S TA N C E
IN F E E T FROM
TRANSFORMER
30,000
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cr
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a.
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25,000
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20,000
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0,00
1
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5,000
w
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0
10
20
D I S TA N C E
I N F E E T FROM TRANSFOR MER TO
Fig .
58.6 Tra nsf: 2000kVA , 6 0 0 \
vo
w
e5 4
,000
0
a_
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<t
3 5 ,000
z
:>' 30,000
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20
I
D I STANCE IN F E E T FROM T R A N S F O R M E R
·i.75%Z
500
50
100
200
1000 2000
500 0
TO
POINT OF BREAKER CONNECTION
' : i .75%Z
100
50
200
500
1000 2000
5000
PO I N T OF BREAKER CONNECTIO N
i·.75%Z
00
200
2000
50
I
500
1000
5000
POI
TO
N
T OF BREAKER CONNECTI ON

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