Table 1. Standard configurations
Description Std. conf.
Transformer differential with low-impedance restricted earth-fault protection on the HV side A
Transformer differential with low-impedance restricted earth-fault protection on the LV side B
Transformer differential with high-impedance restricted earth-fault protection on the HV side C
Transformer differential with high-impedance restricted earth-fault protection on the LV side D
Transformer differential with voltage protection and measurements, and low-impedance restricted earth-fault protection on the
HV side
E
Transformer differential with voltage protection and measurements, and low-impedance restricted earth-fault protection on the
LV side
F
Transformer differential with voltage protection and measurements, and high-impedance restricted earth-fault protection on the
HV side
G
Transformer differential with voltage protection and measurements, and high-impedance restricted earth-fault protection on the
LV side
H
Transformer Protection and Control
1MRS756891 M
Product version: 5.0 FP1
12 ABB