Bidirectional Programmable DC Source-load System (High Voltage Type) | S7000-H Series

Kewell S7000-H Series
Bidirectional Programmable DC Source-load System (High Voltage Type)

Kewell's S7000 series is a high-precision bidirectional DC source with electronic load function and high power density. The source mode serves as a current source that supplies power to the device under test and allows operation in two quadrants. The electronic load function has various load modes with energy recovery. Depending on the version, the devices have a wide range of functions that can be adapted to different test requirements. Multiple operating modes make the series suitable for a variety of different applications with different test scenarios.

Applications of the bidirectional programmable DC Source-load System S7000-H Series

• Photovoltaic systems
• Battery tests (charging and discharging)
• Battery simulation
• Testing PV inverters (IEC/EN50530)
• Testing electric motors
• Energy storage
• Bidirectional chargers
• Photovoltaic simulation of IV curves
• Photovoltaic testing of MPPT
• Testing of electric vehicles (VE curves)

Specifications of the bidirectional programmable DC Source-load System S7000-H Series

• Voltage: up to 2000 V
• Current: up to 180 A
• Power: up to 30 kW
• Grid voltage: 342 V bis 528 V
• Grid frequency: 47 Hz – 63 Hz
• Master-slave parallel connection to increase output power
• Protection functions: OVP / OCP / OPP / OTP / UVP / UCP / Anti-islanding
• Standard Interfaces: RS485 / LAN / CAN / USB
• Optional Interfaces: GPIB / RS232
• Working modes: CV / CC / CP / CR / CVCC / CVCR / CRCC / AUTO (CC+CV+CP+CR)
• Function for multiple waveforms output
• Storage of test data
• Versions:
  Normal version: cost-effective basic specification
  Pro version: extended functions e.g. simulation of IV curves, battery tests, function Generator
  Ultra version: complete range of functions and electronic load function