The DC laboratory power supplies of the EA Elektro-Automatik PS 10000 series convert the energy from the mains into a regulated DC voltage with an efficiency of over 96%. The PS 10000 series includes single-phase and three-phase devices that can handle almost all mains voltages worldwide thanks to their wide input range.
The DC voltages and currents are geared towards applications, with the spectrum ranging from 0 - 60 V to 0 - 2000 V and from 0 - 6 A to 0 - 1000 A in one device. The DC power supply units function as a flexible output stage with a constant power characteristic, known as autoranging, as well as a large voltage, current and power range.
In order to realize higher power and currents, all devices have a master-slave bus. With 64 devices connected in parallel, this enables the creation of a system that provides up to 1920 kW and 64,000 A. This system works like a single device and can consist of different power classes, only the voltage class must match. For example, you can build a 75 kW system from two 30 kW and one 15 kW device from the PS 10000 series. Typical functionalities from the laboratory sector are also available. These include alarm and warning management, various digital interfaces, software solutions and many other functions.
The EA PS 10000 power supply units are ideal for testing relays in production. The coils of the DC relays and the contacts are supplied with precisely defined voltages and currents. When testing the coils, important parameters such as response current, operating current, holding current and drop-out current as well as the corresponding voltages must be checked and documented. For the contacts, not only the current carrying capacity and contact resistance are important parameters, but dielectric strength and breaking capacity also say a lot about the quality of the products.
In an on-board charger (OBC) test, the electrical properties of the OBC must be tested under various conditions. This requires a flexible test system that also provides measurement data. With the sequencing & logging function, test sequences can be loaded into the PS 10000 devices and data can be read out and saved. This allows you to generate reproducible test results based on dynamic and highly accurate positioning and measurement data in the shortest possible time. To prevent the two separate control loops of the device-under-test (DUT) and the test device from oscillating against each other during testing, the control dynamics of the power supplies can be adjusted: the PS 10000 devices can be tuned to the control characteristics of the on-board charger using the three modes Normal, Fast and Slow.
The PS 10920-20 variant of the PS 10000 power supply series presented here measures 3 U (3U) and has 0 - 920 V, 0 - 20 A, 0 - 5,000 W .
General features of the series:
- Wide input range, 208 V - 4 80 V +10 % 3ph AC
- Active power factor correction, typically 0,99
- Very high efficiency up to over 96 %
- High performance with up to 15 kW per unit
- Voltage from 0 - 60 V to 0 - 2000 V
- Current from 0 - 20 A to 0 - 510 A
- Flexible power-regulated DC output stages (autoranging)
- Control mode CV, CC, CP, CR with fast transition
- Digital control, high resolution with 16bit ADCs and DACs, control speed selection: Normal, Fast, Slow
- Color 5" TFT display, touch function and intuitive operation
- Galvanically isolated share bus for parallel operation of all power classes in the 10000 series
- Master-slave bus for parallel operation, up to 64 devices of all power classes in the 10000 series
- Standard interfaces: USB, Ethernet, analog, USB host, master-slave bus, share bus
- Optional interfaces: CAN, CANopen, RS232, Profibus, EtherCAT, Profinet with one or two ports, Modbus with one or two ports, additional Ethernet with one or two ports
- Command languages and drivers: SCPI and ModBus, LabVIEW, IVI
