how to select earth fault protection devices
DESCRIPTION
How to Select Earth Fault Protection DevicesTRANSCRIPT
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:
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030911A 030911A
(09)
2
030911B
030911B
3
0311B(b)
4
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0311(10)
0911B(b) 0911B(b)
5
03 11(10)
6
09 11(10)
7
5.0
0.4 0.2
8
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( )
5.0
0.2 0.4
500
9
03 11(11)
10
0911(11)
11
5.0
0 2 0.4 0.2
12
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=
V = I x RV I x R = x I = V / R R = V / I ( Zs )
/ = /
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100BSEN60898 100BSEN60898
C (5In
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B (3In
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--- ELR+ZCT+MCCB
21
(electromechanical)
(electromechanical) (electr onic / static)
CDG series TJM / 2TJM series 22
0311J(2)(a)(i)09 () ()50 ()50 500,0.5 Zs = V/I = 50/0 5=100Zs V/I 50/0.5 100
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