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PUI-660 Digital simulation power source system
——Linear current and voltage power amplifier for power system simulation
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Description
  • It can be used as the current and voltage power source for power system simulation to form a complete simulation system
  • It can be used as current and voltage power amplifier for relay protection test
  • Multiple output modes can be designed according to application requirements
  • Good linearity, fast response, large power and strong load capacity
  • It can output accurate load current and high small signal output accuracy
  • Long-time continuous operation, stable and reliable
  • Multiple display modes, key switch
  • Voltage overload and current overtime protection
Parameters
Current output  
Output current range 6-phase 0-30A sine wave
Rated output current 6-phase 5A sine wave
Gain characteristics (relationship between output current and input signal)  8A/V
Nonlinear error between input signal and output current  less than 0.2% (0.2A-30A)
The total harmonic distortion rate of output current less than 0.2%
Phase delay between output current and input signal <20 μ S (50Hz signal)
Current amplifier step response  less than 100 μ S
Max. output power  300VA/phase (when the effective value of 30A sine wave is output)
Load change rate of output current less than 0.2% (0-2 Ω load resistance, output current 5A)
Sampling accuracy  
Indication error of current recovery less than 0.2% (0.2A-30A)
Voltage recovery display error  less than 0.2% (2V-120V)
Phase display error less than 0.2 ° (at 50Hz)
Voltage output  
Output voltage range  effective value of 6-phase 0~120V sine wave
Rated output voltage  effective value of 6-phase 57.74 V sine wave
Gain characteristics (relationship between output voltage and input voltage)  20V/V
Frequency range of voltage amplifier  0~1.2KHz
The input terminal input impedance >10k Ω
Nonlinear error between input signal and output voltage  less than 0.2% (2V-120V)
The total harmonic distortion of output voltage less than 0.2% (2V-120V)
Phase delay between output voltage and input signal <20 μ S (50Hz signal)
Step response of voltage amplifier less than 100 μS
The maximum output power of voltage amplifier More than 65VA
Load change rate of voltage amplifier 0.2% (1-30 VA output power, output 57.7 V)
Phase error between voltage and current <0.2 ° at 50Hz


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