ABB TPU Series User Manual

10
CURRENT AND VOLTAGE INSTRUMENT TRANSFORMERS
INSTRUCTIONS FOR INSTALLATION, USE AND MAINTENANCE
- Voltage transformers according to IEC
a n N PE
a1 a2 n N PE
a n da dn N PE
1a 1n 2a 2n N PE
1a1 1a2 2a1 2a2
1n 2n N PE
1a 2a da
1n 2n dn N PE
1a 2a 3a
1n 2n 3n N PE
1a1 1a2 2a2 da1 da2
1n 2a1 2n dn N PE
a1 a2 da1 da2
n dn N PE
a1 a2 da
n dn N PE
a b PE
a1 a2 b PE
1a 1b 2a 2b PE
a b da dn PE
1a1 1a2 2a1 2a2
1b 2b PE
1 measuring winding with 1 tap
2 measuring
1 measuring + residual
2 measuring winding with tap
1 measuring winding with no tap
1 measuring winding with 1 tap
1 measuring + residual
2 measuring winding with no tap
2 measuring wi
nding with 1 tap
2 measuring + residual
3 measuring
2 measuring with tap + residual
with 1 tap
1 measuring with tap + residual
with 1 tap
1 measuring with tap + residual
1 measuring
Variants of connections of double row terminal - One pole VT
according to IEC
Variants of connections of double row terminal - Double pole VT
according to IEC
Residual voltage windings connected to open delta must have dn terminal earthed
only on one of three transformers (earthing screws at dn terminals of others two
transformers have to be removed).

ABB TPU Series Specifications

General

Brand	ABB
Model	TPU Series
Category	Transformer
Language	English