PQ Series III

Features

• 54 Models: 5 to 1000 Vdc, 3 to 900 Adc
• Series and parallel master/slave operation
• High dielectric withstand: 2500 Vac
• 50 Hz, 60Hz, and 400 Hz input frequency
• All user interface circuitry referenced to earth ground
• OVT and OCT shutdown standard
• Automatic V/I crossover
• RS232 interface with SCPI commands
• Optional IEEE-488 or Ethernet programming
  
• Front panel potentiometers for stepless rotary control
• Front panel calibration
• User friendly controls and indicators
• Remote Interface Software with self-teaching features
• Drivers: Certified LabWindows/CVI and LabVIEW for GPIB, Serial, and TCP/IP communications
• Load dependent air or option water cooling
  
• High power factor
• CE Mark

Specifications

• Input Voltage:
• 240 Vac, 50-400 Hz, 1φ (3.3 kW only)
• 208/240 Vac, 50-400 Hz, 3φ
• 380/415 Vac, 50-400 Hz, 3φ
• 440/480 Vac, 50-400 Hz, 3φ
• Line Regulation:
• Voltage Mode: ± 0.004% of full scale
• Current Mode: ± 0.02% of full scale
• Load Regulation:
• Voltage Mode: ± 0.01% of full scale
• Current Mode: ± 0.04% of full scale
• Size (H" x W" x D") and Weight:
• 3.3 kW Model: 5¼ x 19 x 24 at 74 lbs
• 6.6 kW Model: 5¼ x 19 x 24 at 97 lbs
• 10 kW Model: 5¼ x 19 x 24 at 125 lbs
• Stability:
• ± 0.10% for 8 hrs. after 30 min. warmup
• Isolation:
• Maximum input voltage to ground: ±2500 Vac
• Maximum output voltage to ground: ±1000 Vdc
• User inputs and outputs: referenced to Earth ground
• Power Factor:
• Greater than 92% at maximum power
• Ambient Temperature:
• 0°C to 50°C
• Storage Temperature:
• -25°C to +85°C
• Temperature Coefficient:
• 0.04/°C of max. output current
• Water Cooling:
• 25°C maximum inlet temperature
  
• 1.5 GPM minimum flow rate
  
• 80 PSI maximum pressure
  
• 1/4” NPT female pipe size
  

• Efficiency:
• ≥ 86%
• Load Transient Response:
• 2 ms to recover within ±1% of regulated output with a 50% to 100% or 100% to 50% step load change
• Remote sense limits:
• 3% maximum voltage drop from output terminals to load
• Remote analog programming limits:
• Voltage set point: 0 to 2.0 Vdc
• Current set point: 0 to 2.0 Vdc
• Over voltage trip set point: 0 to 2.2 Vdc
• Over current trip set point: 0 to 2.2 Vdc
• Modulation: 0 to 2.0 Vdc (D Version models only)
• Remote analog programming accuracy of full scale:
• Voltage set point: ± 0.50%
• Current set point: ± 0.75%
• Over voltage trip set point: ± 0.50%
• Over current trip set point: ± 0.75%
• Analog monitoring accuracy of full scale:
• Output voltage: ± 0.50%
• Output current: ± 0.75%
• Digital programming accuracy of full scale:
• Voltage set point: ± 0.50%
• Current set point: ± 0.75%
• Over voltage trip set point: ± 0.50%
• Over current trip set point: ± 0.75%
• Digital readback accuracy of full scale:
• Output voltage: ± 0.50%
• Output current: ± 0.75%
• Period programming limits:
• Minimum period: 10 msec
• Maximum period: 9997 sec or 2.77 hours
• Digital control inputs and outputs limits:
• Input voltage: 0 to 5 Vdc
• Output voltages: 0 to 5 Vdc, 5 mA drive capacity per line
• 5V supply: 25 mA