GE 745 TRANSFORMER MANAGEMENT RELAY - Page 247

GE Power Management 745 Transformer Management Relay 8-37
8 COMMUNICATIONS 8.3 MODBUS MEMORY MAP
8
TRANSFORMER
continued
1102 Transformer Type --- --- --- F28 3 = Y/d30°
1103 Rated Winding Temperature Rise --- --- --- F37
1 = 65°C (oil)
1104 Type of Cooling: Oil Immersed --- --- --- F39 0 = 0A
1105 Load Loss at Rated Load (2 registers) 1 to 20000 1 kW F101 1250 kW
1107 No-Load Loss 0.1 to 2000 0.1 kW F90 1250=125.0 kW
1108 Top Oil Rise Over Ambient (at rated load) 1 to 200 1 °C F1 10°C
1109 Transformer Thermal Capacity 0.00 to 200.00 0.01 kWh/°C F3
100=1.00 kWh/°C
110A Winding Time Constant: Oil-Immersed 0.25 to 15.00 0.01 minutes F3 200 = 2.00 min
110B Type of Cooling: Dry - - - F100
0=sealed self-cooled
110C Thermal Time Constant: Dry 0.25 to 15.00 0.01 minutes F3 200 = 2.00 min
110D Set Initial Accumulated Loss of Life 0 to 20000 1 hrs x 10 F1 0 hours
110E Frequency Tracking --- --- --- F30 1 = Enabled
110F Reserved
↓↓ ↓ ↓↓↓ ↓
111F Reserved
WINDING 1 1120 Winding 1 Nominal Phase-to-Phase Voltage 1 to 20000 --- kV F90 220.0 kV
1121 Winding 1 Rated Load 1 to 20000 --- MVA F90
1000 = 100 MVA
1122 Winding 1 Phase CT Primary 1 to 50000 1 :1 or :5 A F1 500 A
1123 Winding 1 Ground CT Primary 1 to 50000 1
:1 or :5 A F1 500 A
1124 Winding 1 Series 3-Phase Resistance 0.001 to 50.000 0.001
Ω
F53
10700 = 10.7
Ω
1125 Reserved
↓↓ ↓ ↓↓↓ ↓
112F Reserved
WINDING 2 1130 Winding 2 Nominal Phase-to-Phase Voltage 1 to 20000 --- kV F90
690 = 69.0 kV
1131 Winding 2 Rated Load 1 to 20000 --- MVA F90 1000 = 100 MVA
1132 Winding 2 Phase CT Primary 1 to 50000 1 :1 or :5 A F1 1500 A
1133 Winding 2 Ground CT Primary 1 to 50000 1
:1 or :5 A F1 1500 A
1134 Winding 2 Series 3-Phase Resistance 0.001 to 50.000 0.001
Ω
F53
2100 = 2.100
Ω
1135 Reserved
↓↓ ↓ ↓↓↓ ↓
113F Reserved
WINDING 3 1140 Winding 3 Nominal Phase-to-Phase Voltage 1 to 20000 --- kV F90
690 = 69.0 kV
1141 Winding 3 Rated Load 1 to 20000 --- MVA F90 1000 = 100 MVA
1142 Winding 3 Phase CT Primary 1 to 50000 1 :1 or :5 A F1 1500 A
1143 Winding 3 Ground CT Primary 1 to 50000 1
:1 or :5 A F1 1500 A
1144 Winding 3 Series 3-Phase Resistance 0.001 to 50.000 0.001
Ω
F53
2100 = 2.100
Ω
1145 Reserved
↓↓ ↓ ↓↓↓ ↓
Table 8–6: 745 MEMORY MAP (Sheet 21 of 57)
GROUP ADDR
(HEX)
DESCRIPTION RANGE STEP
VALUE
UNITS FORMAT
CODE
FACTORY
DEFAULT