Connection Notes
Supply voltage
(400 V/230 AC, L1, L2, N)
Fused internally with (internally over Q2)
CAUTION: not use circuit breaker!
Use isolating transformer 2.2.5 kVA) instead
Use 2.
The right choice measurement points such zero sequence voltage and the measure-
ment the current injected when HPCI used the same for classic current injection
and described Chapter13.
Only five connections are needed install/retrofit HPCI.2. Based the pulse pattern, 100 can flow when an
earth fault occurs.
Separate voltage transformer the coil
External voltage transformer
Measurement open delta winding the busbar
PAW
On the power auxiliary winding
Use connection cable that least mm
2
COM3 connection REG-DP/ REG-
DPA
4-wire RS-485 connection
Use shielded and twisted 2x2 core cable
Small signal line!
.2 Connections HPCI
Connection the power auxiliary winding must least mm2
!
The connection the P-coil's power auxiliary winding has separate fuse for each in-
ductor. fuses are used.Page 222 Commissioning the HPCI
We take care it.5 mm
2
cable
Supply voltage
(230 L1-N)
Fused internally with (internally over Q1)
CAUTION: fuse can used!
UNE Measurement zero sequence voltage
Ideal voltage transformer that not measuring the
same magnetic circuit the power auxiliary winding.
14
