Eaton Cutler-Hammer Digitrip 3000 - Page 88

I.B. 17555C
Effective November 1999
Page B12
Fig. B-9 Digitrip 3010/3020 Protective Relay CT Voltage Drop Curves
Fig. B-10 DSPS Output Voltage to Relay
DT3000 With Dual-Source Power Supply CT Voltage Drop Curves
0.00
0.25
0.50
0.75
1.00
1.25
0 5 10 15 20 25 30
CT Current - Amps
CT Voltage Drop - Volts
CT Voltage Drop, With
Vac, 3 Phase I
CT Voltage Drop, No
Vac, 3 Phase I
CT Voltage Drop, With
Vac, 1 Phase I
CT Voltage Drop, No
Vac, 1 Phase I
DT3000 Dual-Source Power Supply
DSPS Output Voltage VS CT Current Input
0
5
10
15
20
25
30
35
0123456789
CT Current - Amps
DSPS Output Voltage - Volts
DSPS Output - True 3
Phase Current Only
DSPS Output - 1 Phase
Current Only