Analog Inputs 1 To 4 - GE Multilin 489 Instruction Manual

Generator management relay
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CHAPTER 5: SETPOINTS
489 GENERATOR MANAGEMENT RELAY – INSTRUCTION MANUAL
Courtesy of NationalSwitchgear.com
measurement is 0 MW. When the real power measurement is 50 MW, the analog output
channel will output 12 mA. When the real power measurement is 100 MW, the analog
output channel will output 20 mA.
Table 5–8: Analog Output Parameters
Parameter Name
IA Output Current
0.00 to 20.00 × FLA
0.00 to 20.00 × FLA
IB Output Current
IC Output Current
0.00 to 20.00 × FLA
Avg. Output Current
0.00 to 20.00 × FLA
Neg. Seq. Current
0 to 2000% FLA
Averaged Gen. Load
0.00 to 20.00 × FLA
Hottest Stator RTD
–50 to +250°C or –58 to +482°F
Hottest Bearing RTD
–50 to +250°C or –58 to +482°F
Ambient RTD
–50 to +250°C or –58 to +482°F
RTDs 1 to 12
–50 to +250°C or –58 to +482°F
AB Voltage
0.00 to 1.50 × Rated
BC Voltage
0.00 to 1.50 × Rated
0.00 to 1.50 × Rated
CA Voltage
Volts/Hertz
0.00 to 2.00 × Rated
Frequency
0.00 to 90.00 Hz
Neutral Volt. (3rd)
0 to 25000 V
Average Voltage
0.00 to 1.50 × Rated
Power Factor
0.01 to 1.00 lead/lag
Reactive Power (Mvar)
–2.00 to 2.00 × Rated
–2.00 to 2.00 × Rated
Real Power
Apparent Power
0.00 to 2.00 × Rated

Analog Inputs 1 to 4

–50000 to +50000
Tachometer
0 to 7200 RPM
Thermal Capacity Used
0 to 100%
Current Demand
0.00 to 20.00 × FLA
Mvar Demand
0.00 to 2.00 × Rated
MW Demand
0.00 to 2.00 × Rated
MVA Demand
0.00 to 2.00 × Rated
Range / Units
Step
0.01
0.01
0.01
0.01
1
0.01
1
1
1
1
0.01
0.01
0.01
0.01
0.01
0.1
0.01
0.01
0.01
0.01
0.01
1
1
1
0.01
0.01
0.01
0.01
Default
Min.
Max
0.00
1.25
0.00
1.25
0.00
1.25
0.00
1.25
0
100
0.00
1.25
0
200
0
200
0
70
0
200
0.00
1.25
0.00
1.25
0.00
1.25
0.00
1.50
59.00
61.00
0.0
45.0
0.00
1.25
0.8 lag
0.8 lead
0.00
1.25
0.00
1.25
0.00
1.25
0
50000
3500
3700
0
100
0.00
1.25
0.00
1.25
0.00
1.25
0.00
1.25
5–97

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