EA Bidirectional DC Programmable Power Supplies
Conventional and regenerative power supply
The Bidirectional DC power supply with integrated, regenerative electronic load series EA-PSB 9000 and 10000 provides 15kW in 3U or 30kW in 4U chassis with up to 2000 VDC. This series easily parallels supplies for almost 1.92MW of power. All EA Elektro-Automatik DC power supplies and loads feature true autoranging and thus over additional operating ranges.
The lower the test voltage, the higher currents are possible. Likewise, higher voltages are available for lower currents. This means that a much wider range of test routines can be covered with a bidirectional DC power supply.
The PSB series of bidirectional DC power supply features 5″ TFT touch panel display for intuitive control, setup and programming. The intelligent interface allows you to configure and test quickly without the need for extensive manual review.
EA bidirectional dc power supplies come standard with an arbitrary waveform function generator, swappable digital interface control and built-in test routines for battery test, photovoltaic simulation and MPP tracking, to name a few.
True Autoranging – Advantages for Test
All EA bidirectional DC power supplies offer true autoranging. This means that the full source and sink power of the devices is available over additional operating ranges. The lower the current required in these ranges the higher the voltage available. Higher currents are possible at lower voltages. This allows a wider range of DUTs to be tested with a single power supply. EA’s autoranging feature provides full power, output as well as input, starting at 33% of system voltage and also current.
- Save budget and space
- No oversizing supply
- One supply tests more
- Versatile for future tests
Regenerative Energy Recovery
The PSB is bidirectional, meaning it can source (provide) or sink (absorb) current and regenerate that current to the local power grid with up to 96% efficiency. The built-in electronic load function is regenerative, making the PSB a very green solution on top of minimizing investment and test equipment space.
- Save electricity + costs
- Efficiency approx. 96%
- Quick return on investment
- Environmentally friendly
Waveform Function Generator
A common need for DC power supplies is to deliver the output voltage or current with a pattern other than a straight-line DC signal. EA’s built-in function generator includes options for sine, triangle, rectangle, and trapezoid waveforms, as well as custom arbitrary wave forms. Additionally, there are configuration tools for ramping, UI and IU tables, and simulations for fuel cells and photovoltaics.
Device Types & Series
19 Inch Slide-in Housing (Series PSB and PSB 10000)
Highlights
- Autoranging
- Color touch screen
- 3-ways onboard Interface
Features
- Master-Slave-Bus for parallel connection
- 19″ Full insertion
- 3 U or 4 U housing
- Analog and USB interface, further options retrofittable
- Microprocessor (FPGA) controlled
- Color touch panel
- Internal resistance control
- Battery test mode
- Arbitrary generator & car startup curve
- Optional: Digital, pluggable interface modules
- SCPI and ModBus protocol
- LabView VIs and control software
Technical Specifications
- Nominal power
2500W to 30000W
Systems up to 1.92MW parallel operation - Nominal voltage
60V to 2000V - Nominal current
20A to 1000A