GRID
L3
L2
L1
N
Parallel_1 Parallel_2
Meter
- 18 -
Inverter
Three-Phase Smart Meter
SET
ESC
1
7
4
10
25
24
21
19
17
16
14
13
12
11
8
2
5
3
9
6
10
L1
L2
L3
N
PE
Grid
AC Breaker
AC Breaker
Home Load
L1
L3
N
PE
L2
CT1
CT2
CT3
Black line
Black line
Red line
Red line
Black line
Red line
CHINT meter
RS 485
CHNT DTSU666
3x230/400V
0.05-1.5(6)A
(2,5,8,10)
Three-Phase Smart Meter
SET
ESC
1
7
4
10
25
24
21
19
17
16
14
13
12
11
8
2
5
3
9
6
10
2
1 3
5 8 10
4 6 7 9
Phase B current =5.001A
Phase C current =5.002A
Phase A current =5.000A
L1
L2
L3
PIN 1,4,7
：
Red cable of the CT
PIN 3,6,9: Black cable of the CT
RS485A
RS485B
Note: the arrow direction towards
the inverter
