Voltage-Current Combinations (5KW)

Features

• All Wide Range; AC mains 180~460V, DC output 0~80V/540A to 0~1950V/27A.
• Each DSP-WS can contain up to three power modules. Each power module runs on 3-phase Vac input,
• keeping the AC mains in balance, and complying with worldwide power distribution standards.
• Imitate the output characteristics of various solar arrays using the built-in solar array simulation function.
• Two input modes (Curve & Table) allow creation of smooth and realistic solar array waveforms.
• Graphic control software meets EN50530 and Sandia requirements.
• Simulations of I-V curves can accommodate changes in temperature and irradiance.
• Static & Dynamic MPPT efficiency test (accumulated energy method) with log files.
• Real-time Maximum Power Point Tracing via remote interface.
• Versatile working modes: I-V curve; constant voltage; constant current; and constant power.
• Desired I-V curve can be downloaded to the WSP-WS series via the LAN interface, or through the USB port.
• Multitasking allows up to 16 controllable Solar Array simulations.
• The WSP-WS series uses an 18-bit DAC for setting and a 24-bit ADC for measuring.
• Built-in, patented synchronizing circuitry allows easy integration of 100 units to form an 1800kW power system.
• Active power factor correction, PF>0.99(480V input).
• Efficiency >95%+.

 Electrical

• Wide Bandgap power semiconductors such as the SiC MOSFET SBD give better performance, higher
• Multitasking allows up to 12 controllable Solar Array simulations
• 18 bit DAC for Setting and 24 bit ADC for Measurement.
• MHz switching frequency (15kW and 18kW models) with extremely low output ripple and noise.
• Multiple 32-bit ARM based embedded system gives a rapid boot of 10 seconds or less.
• efficiency, and lower heat dissipation, increasing the range of acceptable ambient temperatures for use.
• Adjustable output voltage, current and power.
• Constant Voltage(CV), Constant Current(CC) and Constant Power(CP) , CV. CC. or CP working priority setting.
• Internal resistance adjustment function allows battery simulation.
• Provide True RMS current and True Watt readings.
• Built-in Real Time Clock gives reliable time even when disconnected from a time server.
• It is possible to customize time synchronization to a time server.
• Remote sense functionality compensation voltage up to 5V.

 Operational

• 5″ touch screen with 3 definable background colors, 3 spin knobs with push-select and two push
• buttons give a clear and intuitive control.
• Patented multi-function HOME/RETURN key.
• Patented output ON/OFF button gives an extra layer of safety, allowing powered output only when
• both internal switches are triggered.
• Two kinds of output mode which can be changed following adjustment or after confirmation.
• Programmable over-voltage and over-current protection.
• Programmable output ramp-up and ramp-down protect the device under test.
• Up to 8000 sets of V/A/W data at 1ms intervals can be recorded and stored.
• Three sets of settings can be stored and recalled from the front panel.
• Free software gives control and sequence data setting.
• Data logging is timestamped.

 Safety

• All models automatically discharge voltage to a safe range within 10 seconds of output being switched off.
• User definable power ON mode (LAST、Output OFF or ON)
• Closed-case firmware upgrading and enhanced protection to prevent upgrade failures.
• Intelligent stepless speed controlled fans reduce acoustic noise while keeping system temperature low.
• Systems are shipped in CE approved, Filled Transport Packages approved, and Vibration Test approved
• shipping cases.

 Interface

• Two LAN ports(LXI 1.4 approved) minimize wiring and reduce network complexity.
• Interface slot allows optional GPIB, RS422+485+USB, or Isolated Analog connections.
• Supports SCPI commands.
• Provides IVI-COM driver.
• Alarm signal output and Interlock mechanism prevent possible injury.
• Optional isolated analog programming port, 0~5V or 0~10V for setting and monitoring output V/A/W.
• USB port gives easy data access.
• Free graphical connection and control software.
• Customized software gives an easy comparison between wide-range and traditional DC power supplies.

 High Power/Current/Voltage Wide Range Output meet all Applications

• New Energy R&D
• Solar Cell/Array Application
• Automated Test Equipment
• Factory Automation
• QC Testing