EA Programmable DC Electronic Loads
Conventional and regenerative loads
Available in conventional and regenerative, DC electronic loads from EA Elektro-Automatik boast high power density and premium features not found on typical loads. Offering input power ratings up to 15kW in 3U or 30kW in 4U chassis with max 2000 VDC. Easily parallel operation for almost 1.92MW of power. Regenerative ELRs reduce heat, noise and HVAC costs. All of EA’s DC power supplies and DC electronic loads feature true Autoranging which automatically offers increased current at lower voltages. EA’s loads come in desktop, tower-style or 19 “rack-mount.
The EL / R series features 5 “TFT touch panel display for intuitive control, setup and programming. The intelligent interface allows you to configure test routines and program the unit quickly without the need for extensive manual review.
DC electronic loads 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.
ELR Benefits Summary Video
True Autoranging – Advantages for Test
All EA 19” rack mounted electronic loads provide true autoranging giving full power across a larger operating range. Autoranging enables the load to automatically adapt to higher output voltages when there is a smaller current or handle higher currents when there is a lower voltage. EA’s true autoranging can deliver full power down to 33% of rated output voltage.
- Save budget and space
- No oversizing supply/load
- One solution tests more
- Versatile for future tests
Regenerative Energy Recovery
The EA ELR load can sink (absorb) current and regenerate that current to the local power grid with up to 96% efficiency. This energy efficiency saves electrical costs and runs significantly cooler, making the ELR a very environmentally-friendly “green” solution on top of minimizing investment and test equipment space.
- Save electricity + costs
- Efficiency approx. 96%
- Quick return on investment
- Environmentally friendly
Built-in Function Generator
A common need for dc power supplies and loads is to deliver the output voltage or current with a pattern other than a straight-line dc signal. EA’s built-in digital function generator includes options for sine, triangle, rectangle, and trapezoid waveforms, as well as custom arbitrary wave forms.
Device Types and Series
19 Inch Slide-in Housing
(Series EL / Dissipative)
Highlights
- Autoranging
- Color Touchscreen
- Master-Slave-Bus for Parallel Connection
- Two-quadrant expansion
- 19″ Full slide-in, 2 height units
- Analog- und USB-Schnittstelle
Technical Specifications
- Power
from 300W to 43,2kW (Systems to 227kW and more) - Voltages
0-80VDC to 0-750VDC - Current
0-5A to 0-3060A (Systems to 3500A and more)
Possible Features
- Externally controlled via analog and digital interfaces
- Table-top and 19″ rack technology, turnkey system cabinets
- Permanently integrated interfaces and “plug n play” slot for interface retrofitting
- Modular highly insulated architecture, extremely reliable and filtered
- Many interface options: Analog, Ethernet, USB, CAN, Profibus, GPIB and many more
- User software EA Power Control (as freeware and payware)
- Operating modes CV, CC, CP, CR, battery test, MPPT (PV) simulationFor operation on all types of batteries (Pb, NiCa, Li, etc.) as well as photovoltaic (PV) strings, ultracaps, fuel cells, EV motors, alternators and other direct current sources
- Integrated function generator with predefined waveforms such as sine, rectangle, trapezoid, ramp, arbitrary
- Air and water-cooled versions
- Parallel switchable in Master-Slave mode
| Series | Height | Power Connection | Voltage | Current | Power | Special Features | Datasheet | |
|---|---|---|---|---|---|---|---|---|
| EA-EL 9000 B 3U/6U | 3 & 6HE | 100-240V~ | 0-80V to 0-750V | 0-20A to 0-1020A | 1200-9000W | VoltageUCurrentIPowerPResistanceRThin Film Transistor TouchTFT-TFunction GeneratorFGBattery DischargeBATT DISMaximum Power Point TrackingMPPT | To the series | |
| EA-EL 9000 B HP 2U | 2HE | 100-240V~ | 0-80V to 0-750V | 0-10A to 0-170A | 600-2400W | VoltageUCurrentIPowerPResistanceRThin Film Transistor TouchTFT-TFunction GeneratorFGBattery DischargeBATT DISMaximum Power Point TrackingMPPT | To the series |
19 Inch Slide-in Housing
(Series ELR / Power generation)
Highlights
- Autoranging
- Color Touchscreen
- IF KE Slot
Technical Specifications
- Power
from 80W to 150kW and more - Voltages
bis 0-16V to 0-15kV DC - Current
0-6A to 0-510A (Systems to 3500A)
Possible Features
- primary clocked, with flexirange or auto-range output
- Externally controlled via analog and digital interfaces
- Permanently integrated interfaces and “plug n play” slot
- State-of-the-art µ-processor control (FPGA)
- Modular highly insulated architecture
- PV (Solar) Array Simulation
- Battery and fuel cell simulation
- function generator sine, rectangle, trapezoid, ramp, arbitrary
- Alarm Management, User Profiles
- For tabletop, 19″ integration and wall mounting
- Analog, Ethernet, USB, CAN, Profibus, GPIB and many more
- Operator Software EA Power Control (Freeware), Multi-Control “App” (license required)
| Series | Height | Power Connection | Voltage | Current | Power | Interfaces | Special Features | Datasheet | |
|---|---|---|---|---|---|---|---|---|---|
| EA-ELR 10000 2U 1,5-3 kW | 2U | 110V – 240V AC | 0 – 80 V up to 0 – 1500 V | 0 – 6 A to 0 – 120 A | 0 – 1500 W / 0 – 3000 W | Ethernet / USB / Analog / plug’n’play-Slot for additional interfaces | VoltageUCurrentIPowerPResistanceRThin Film Transistor TouchTFT-TFunction GeneratorFGBattery DischargeBATT DISMaximum Power Point TrackingMPPT | To the series | |
| EA-ELR 9000 3U | 3U | 220-240V~ 380-415V~ L+N 200-208V~ L-L |
0-80V to 0-1500V | 0-22A to 0-510A | 3100-10500W | USB / Analog / plug’n’play-Slot for additional interfaces | VoltageUCurrentIPowerPResistanceRThin Film Transistor TouchTFT-TFunction GeneratorFGBattery DischargeBATT DISMaximum Power Point TrackingMPPT | To the series | |
| EA-ELR 10000 3U 15 kW | 3U | 208 V – 480 V 3ph AC | 0 – 80 V to 0 – 2000 V | 0 – 20 A to 0 – 510 A | 0 – 5 kW / 0 – 10 kW / 0 – 15 kW | Ethernet / USB / Analog / plug’n’play-Slot for additional interfaces | VoltageUCurrentIPowerPResistanceRThin Film Transistor TouchTFT-TFunction GeneratorFGBattery DischargeBATT DISMaximum Power Point TrackingMPPT | To the series | |
| EA-ELR 10000 4U | 4HE | 380-480V~ 3ph L-L | 0-80V to 0-2000V | 0-40A to 0-1000A | 30000W | USB / Analog / plug’n’play-Slot for additional interfaces | VoltageUCurrentIPowerPResistanceRThin Film Transistor TouchTFT-TFunction GeneratorFGBattery DischargeBATT DISMaximum Power Point TrackingMPPT | To the series | |
| EA-ELR 5000 / ELM 5000 | 6HE | 200-240V~ | 0-80V to 0-200V | 0-12A to 0-25A | 320-3200W | LAN | VoltageUCurrentIPowerPThin Film Transistor TouchTFT-TMaximum Power Point TrackingMPPT | To the series |
Space Saving Desktop Style Devices
(Series EL)
Highlights
- Function generator
- Portable desk device (Desktop Style)
- Optional Interfaces
- USB/Analog/LAN-Ethernet
Technical Specifications
- Nominal power
from 300W to 1200W - Voltages
0-80VDC to 0-750VDC - Current
0-5A to 0-60A
Possible Features
- Microprocessor controlled
- Color TFT Display
- LabView VIs and control software
- Multilingual user interface (DE, EN, CN, RU)
- Extensive function generator
- Control modes CV, CC, CP and CR
- Application for photovoltaic, battery, fuel cell
- Extensive protection functions (OVP, OCP, OT)
- USB interface as standard
- Ethernet & analog interface as standard (EL 9000 DT)
- All interfaces galvanically isolated
- Windows control software
- LabVIEW VI User Library
- SCPI & Modbus protocol
- Desk-top housing in tower or desktop design
- Compact design with high performance
| Series | Height | Power Connection | Voltage | Current | Power | Interfaces | Special Features | Datasheet | |
|---|---|---|---|---|---|---|---|---|---|
| EA-EL 3000 B | DT = Desktop (Table top) | 100-240V~ | 0-80V to 0-500V | 0-10A to 0-60A | 400W | Plug’n’play-Slot for USB, USB+LAN or USB+Analog | VoltageUCurrentIPowerPResistanceRThin Film Transistor TouchTFT-TFunction GeneratorFGBattery DischargeBATT DISMaximum Power Point TrackingMPPT | To the series | |
| EA-EL 9000 DT | Table | 100-240V~ | 0-80V to 0-750V | 0-5A to 0-60A | 400-900W | USB / LAN / Analog | VoltageUCurrentIPowerPResistanceRThin Film Transistor TouchTFT-TFunction GeneratorFGBattery DischargeBATT DISMaximum Power Point TrackingMPPT | To the series | |
| EA-EL 9000 T | Table | 100-240V~ | 0-80V to 0-500V | 0-8A to 0-45A | 400–600W | USB, plug’n’play-Slot for USB / LAN / Analog | VoltageUCurrentIPowerPResistanceRThin Film Transistor TouchTFT-TFunction GeneratorFGBattery DischargeBATT DISMaximum Power Point TrackingMPPT | To the series |
Space-saving Tabletop Devices in Tower Style
(Series EL)
Highlights
- AC wide input range 90-264V
- Flexible input stage for range extension
- Intuitive operation thanks to color TFT touch panel
Technical Specifications
- Power
from 300W to 1200W - Nominal voltage
0-80VDC to 0-750VDC - Current
0-5A to 0-60A
Possible Features
- Multilingual user interface (DE, EN, CN, RU)
- Extensive function generator
- Control modes CV, CC, CP and CR
- Application for photovoltaic, battery, fuel cell
- Extensive protection functions (OVP, OCP, OT)
- USB interface as standard
- Ethernet & analog interface as standard (EL 9000 DT)
- All interfaces galvanically isolated
- Windows control software
- LabVIEW VI User Library
- SCPI & Modbus protocol
- Desk-top housing in the tower or desktop design
- Compact design with high performance
| Series | Height | Power Connection | Voltage | Current | Power | Interfaces | Special Features | Datasheet | |
|---|---|---|---|---|---|---|---|---|---|
| EA-EL 9000 T | T= Tower (Table top) |
100-240V~ | 0-80V to 0-500V | 0-8A to 0-45A | 400–600W | USB, plug’n’play-Slot for USB / LAN / Analog | VoltageUCurrentIPowerPResistanceRThin Film Transistor TouchTFT-TFunction GeneratorFGBattery DischargeBATT DISMaximum Power Point TrackingMPPT | To the series |
Cabinet System
EA Programmable DC Electronic Loads with 19-inch racks can be combined in EA cabinet systems. Adaptation to numerous industrial requirements is possible.
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