GE Masoneilan 469 Series, Инструкция по эксплуатации

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2–12 469 MOTOR MANAGEMENT RELAY – INSTRUCTION MANUAL
CHAPTER 2: INTRODUCTION
Configuration: .................................................assign to digital inputs 1 to 4
Time delay:........................................................0.1 to 100.0 s in steps of 0.1
Timing accuracy: ...........................................±250 ms or ±0.5% of total time
Elements:............................................................Trip and Alarm
2.2.5 Monitoring
DEMAND
Metering: ............................................................maximum phase current
three-phase real power
three-phase apparent power
three-phase reactive power
Measurement type: ......................................rolling demand
Demand interval: ...........................................5 to 90 min. in steps of 1
Update rate:......................................................1 minute
Elements:............................................................Alarm
METERED REACTIVE ENERGY CONSUMPTION
Description: .......................................................Continuous total reactive energy consumption
Range:..................................................................0 to 999999.999 Mvar·hours
Timing accuracy: ...........................................±0.5%
Update rate:......................................................5 seconds
METERED REACTIVE ENERGY GENERATION
Description: .......................................................Continuous total reactive energy generation
Range:..................................................................0 to 2000000.000 Mvar·hours
Timing accuracy: ...........................................±0.5%
Update Rate:.....................................................5 seconds
METERED REAL ENERGY CONSUMPTION
Description: .......................................................Continuous total real energy consumption
Range:..................................................................0 to 999999.999 MW·hours
Timing accuracy: ...........................................±0.5%
Update rate:......................................................5 seconds
MOTOR STATUS
Description: .......................................................Event record of motor start
Timing Accuracy:............................................+250 ms
OVERTORQUE
Pickup level:.......................................................0.1 to 999999.9 Nm/ft·lb in steps of 0.1; torque unit is
selectable under torque setup
Time delay:........................................................0.2 to 30.0 s in steps of 0.1
Pickup accuracy: ...........................................±2.0%
Time accuracy:................................................±100 ms or 0.5% of total time
Elements:............................................................Alarm (induction motors only)
POWER FACTOR
Range:..................................................................0.01 lead or lag to 1.00
Pickup level:.......................................................0.99 to 0.05 in steps of 0.01, lead and lag
Time delay:........................................................0.2 to 30.0 s in steps of 0.1
Block from start: ............................................0 to 5000 s in steps of 1
Pickup accuracy: ...........................................±0.02
Timing accuracy: ...........................................±100 ms or ±0.5% of total time (Note 1)
Elements:............................................................Trip and Alarm