Specifications
Generator AVR AS440
1.Manufacturer.competitive price with good quality
2.Supply from Stock
3.Necessary technical service
1.Manufacturer.competitive price with good quality
2.Supply from Stock
3.Necessary technical service
1.Generator AVR AS440
AS440 is a half wave phase controlled thyristor type AVR and forms part of the excitation system for a brushless generator. The design employs Surface Mount Technology (SMT) for high integration of features in a small footprint AVR.
2.AS440 Technical specification:
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Technical specification
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Sensing input
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voltage
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Jumper selectable.100-130 Vac 1 phase or 190-264 Vac 1 phase
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frequency
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50-60 Hz nominal
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Power input
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Voltage
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100-264 V ac 1 phase
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frequency
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100-120 Hz nominal
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output
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voltage
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82 V d.c. @ 200 V a.c.
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Current
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Continuous 4 A dc. transient 7.5A for 10 secs.
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resistance
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15 ohms min
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regulation
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+/- 1.0% (see note 1)
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Thermal drift
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0.03% per deg. C change in AVR ambient
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Typical system response
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AVR response
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20 ms
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Filed current to 90%
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80 ms
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Machine volts to 97%
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300ms
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External voltage adjustment
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+/- 10% with 1 k ohm 1 watt trimmer
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Under frequency protection
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Set point
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95% Hz(see note 4)
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Unit power dissipation
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12 watts maximum
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ANALOGUE INPUT
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Maximum input
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+/- 5V dc
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Sensitivity
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1v for 5% Generator Volts (adjustable)
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Input resistance
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1k ohm
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QUADRATURE DROOP INPUT
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Max. sensitivity
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0.07 A for 5% droop 0PF
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Max. input
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0.33 A
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OVER EXCITATION PROTECTION
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Set point
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65 V dc
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Time delay
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10-15 seconds (fixed)
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Build up voltage
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4 volts @ AVR terminals
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