K-WANG
ABB 5SHX1445H0001 SCR control unit module
We should use voltage transformer if the measured voltage is above 400V and use currenttransformer if the measured current is above 5A. There are some regulations about wiring
and parameters setting of PMC916measurements according to the measured power
system and the number of the voltage & current transformer. The details are as bellows:
Voltage
CT
PT
Current wiring
Voltage
Level/system
Number
Specification
terminals
wiring terminals
Illustration
400V/3-Phase
3
None
l1 to 7,8
U1 to 16
Current
4-Wire
I2 to 9,10
U2 to 17
common 12
System
13 to 11,12
U3 to 18
to ground
Current common
Common N to
to 12
19
690V/3-Phase
3
Double-coil
l1 to 7,8
U21 to 16
Current
3-Wire
2x.3 100V
12to 9,10
U23 to 18
common 12
System
13 to 11,12
Common U22
to ground
Current common
to 19
Voltage
to 12
common 19
to ground
690V/3-Phase
3
3x100V
I1 to 7,8
U21 to 16
Current
4-Wire
12 to 9.10
U22 to 17
common 12
System
l3 to 11,12
U23 to 18
to ground
Current common
Common U2N
Voltage
to 12
to 19
common 19
to ground
690V/3-Phase
3
Double-coil
l1 to 7,8
U21 to 16
Current
3-Wire
2x100V
12 to 9,10
U23 to 18
common 12
System
13 to 11,12
Common U22
to ground
Current common
to 19
Voltage
to 12
common 19
to ground
10KV/3-Phase
3
Double-coil
I1 to 7,8
U21 to 16
Current
3-Wire
2x3 100V
I2 to 9,10
U23 to18
common 12
System
13 to 11,12
Common U22
to ground
Current common
to 19
Voltage
to 12
common 19
to ground
35KV/3-Phase
3
3x100V
l1 to 7,8
U21 to 16
Current
4-Wire
12 to 9,10
U22 to 17
common 12
System
13 to 11,12
U23 to 18
to ground
Current common
Common U2N
Voltage
to 12
to 19
common 19
to ground
You can choose one current transformer CT(to measure Bphase current), two CT(to
measure A & C phase current), and threeCT.PMC916 can only measure and control
the power parameters of single phase loop when only one CT is in use; when two CT
are used we can gain the third phase current by calculating.