GE 745 TRANSFORMER MANAGEMENT RELAY Instruction Manual page 247

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