资料介绍
接地指导EMC
EMC
L1
L1
L2
N
L2
N
L3
PE
L3
PE
I
I
PE
TN-S
TT
PE
1-1
1-2
TN-S
TT
1-3
V V KV
I
V
I
0V
V
1-3 1-4
V
EMC EMC
1 EMI
.
2
1-10
100
1-5
1-6
1-7
1-5
1-6
1-7
1M
I
1-8
1-9
I
1-8 1-9
3
1-10 1-11
Vn
1
2
3
4
5
1-10
1-11
mV
10KHz 300Hz
1MHz
30KHz
1
2
1-12
EMC
1-13 TN-S PE
EMC
EMC
L N
PE
-48V
1
-48V RETURN
EMC
2
3 EMC
1-13
PE PGND FG -----------BGND DC-RETURN--GND ------------------------DGND-------------------------AGND-------------------------LGND--------------------------48V(+24V)
PE
1 2 K.27 3 4 1996
1994 Bonding configurations and earthing inside a telecommnication building ITUT
YDJ 26-89
EMC
EMC
1
EMC
1 EMC 2 3
1 3-1
-48V +24V
-48V
-48V -48V
PE
EMI
-48V
-48V
-48V
1
2
3-1
-48V EMI
-48V
-48V -