EA-PSB 20000 Triple

3-Channel Programmable Bidirectional DC Power Supply

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EA-PSB 20000 Triple Series

High-Performance testing with three channels for a wide application range

Triple output for growing demands

EA-PSB 20000 Triple

The electrification of the world is rapidly advancing, with industry and the public sector transitioning from fossil fuels to electrical energy, ideally sourced from renewables. Various requirements come together here: more power, more throughput, more flexibility.
As a new generation 3-channel bidirectional power supply the EA-PSB 20000 Triple allows synchronized testing to meet these requirements. It comes as a 3U and 4U version with a voltage range of up to 3 x 920 V and current up to 3 x 340 A. The product can operate independently or as part of a complete test system, including the rack in which it is housed.

The development of the EA-PSB 20000 Triple is not just a response to the market trends, but a necessary evolution to keep pace with the rapidly advancing fields of electrification and testing.

  • 3U

    3 x 5 kW
    60 – 920 V / 20 – 170 A
    Wide range input

  • 4U (optional water cooling)

    3 x 10 kW
    60 – 920 V / 40 – 340 A
    Wide range input

Many advantages - In a single solution

1. Higher test capacity

  • A 3-Channel PSB supports the electrification efforts, by enabling versatile power testing, across multiple devices at a time.

2. Higher cost efficiency

  • Cost-effective solution with three independent channels per device, lowering operational expenses per channel.

3. Higher test density

  • Compact design with high power density maximizes lab space and resource utilization.

4. Higher test coverage

  • Versatile functionality supports multiple testing scenarios, increasing flexibility and productivity in your lab.

5. Future viability

  • Built to handle the growing demands of electrification, ensuring long-term solution.

6. Solution ready

  • Ideal for PV and EV testing, supporting the shift to cleaner, sustainable energy solutions.

Built-in interfaces

  • USB
  • Ethernet (1 Gbit/s)
  • EtherCAT
  • CAN FD
  • Master-Auxiliary-Bus
  • Share-Bus
  • USB Host on front panel
  • Digital In/Out

PV inverters

Conventional solutions reach their limits with PV inverters, as two panel inputs and a third for the battery output have to be tested. With its three channels, the EA-PSB 20000 Triple fulfills this requirement. The built-in software can also recognize the MPP (Maximum power point) tracking to determine the efficiency of the PV inverter.

Automotive Testing

Electrification of vehicles introduces new electrical components, making design and testing critical. With higher voltages and advanced energy systems, testing demands now cover all electrical subsystems. EA Elektro-Automatik’s triple-channel bidirectional DC power supplies offer flexible, efficient solutions for testing modern EV components.

The features at a glance:

  • With three independent channels, customers can conduct parallel testing on different components or subsystems, such as motors, inverters, and on-board chargers, within the same test setup. This reduces the time needed to validate each component individually.
  • The occupation of rack space is reduced by more than 50% when using triple devices instead of single output devices.
  • By enabling more efficient testing and reducing the time required for validation and integration, a triplechannel power supply helps customers accelerate their development process. This is particularly important in fast-moving industries like automotive and renewable energy, where being first to market can be a significant competitive advantage.
  • Operational expenses are significantly lower due to high energy recovery (up to greater than 96%) when used in bidirectional mode. Both operational and HVAC energy cost savings are realized.
  • Worldwide Input Voltage: 208 V – 480 V, +/- 10%, 3ph AC
  • Active Power Factor Correction, typical 0.99
  • Very high efficiency of over 96% in regenerative with energy recovery back to the grid
  • Voltages from 0 – 60 V up to 0 – 920 V
  • High performance with up to 10 kW per channel
  • Currents from 0 – 20 A up to 0 – 340 A per channel
  • 3 Independent, fully isolated and bidirectional DC output/input stages, with autoranging
  • Galvanically isolated Share-Bus for parallel operation
  • 3 Built-in high speed control interfaces with 1 ms communication speed

EA-PSB 20000 Triple 4U

SeriesVoltageCurrent per channelPower per channelTotal
PSB 20060-340 Triple0 – 60 V0 – 340 A0 – 10000 W0 – 30000 W
PSB 20080-340 Triple0 – 80 V0 – 340 A0 – 10000 W0 – 30000 W
PSB 20200-140 Triple0 – 200 V0 – 140 A0 – 10000 W0 – 30000 W
PSB 20360-80 Triple0 – 360 V0 – 80 A0 – 10000 W0 – 30000 W
PSB 20500-60 Triple0 – 500 V0 – 60 A0 – 10000 W0 – 30000 W
PSB 20920-40 Triple0 – 920 V0 – 40 A0 – 10000 W0 – 30000 W
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EA-PSB 20000 Triple 3U

SeriesVoltageCurrent per channelPower per channelTotal
PSB 20060-170 Triple0 – 60 V0 – 170 A0 – 5000 W0 – 15000 W
PSB 20080-170 Triple0 – 80 V0 – 170 A0 – 5000 W0 – 15000 W
PSB 20200-70 Triple0 – 200 V0 – 70 A0 – 5000 W0 – 15000 W
PSB 20360-40 Triple0 – 360 V0 – 40 A0 – 5000 W0 – 15000 W
PSB 20500-30 Triple0 – 500 V0 – 30 A0 – 5000 W0 – 15000 W
PSB 20920-20 Triple0 – 920 V0 – 20 A0 – 5000 W0 – 15000 W
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