DANA SRL Power Supplies

Dana Linear Amplifier
• Linear Amplifier - DLA SERIES
Dana Elecrtronic Loads
• Linear Electronic Loads – DSO Series
• Linear Electronic Loads 0 Volt – DSOT Series
Dana Linear Electronic Switches
• Electronic Switches
Dana Linear Generators for Rail and Trams
• Linear Generators
Dana Digital Interfaces
• Digital Interfaces
Dana Continuous Current Generators
• Linear Continuous Current Generators – DAC Series
Dana Double Regulation Continuous
• Double Regulation Continuous Current Generators – DOC Series
Dana Power Sources
• AC/DC Power Sources – MPS Series
Dana Linear Power Supplies
• Linear Power Supplies
• Linear AC/DC Power Supplies – DA Series
• Linear AC/DC Power Supplies for Photo-voltaic Inverter Testing
• Linear 1000 Vdc Linear Power Supply – DAX-1000• Linear AC/DC Bipolar 2 Quadrant Power Supplies – D2A Series
• Linear AC/DC Bipolar 4 Quadrant Power Supplies – D4A & D4AA Series
• Linear AC/DC Multi Output Power Supplies – DP Series
• Linear AC/DC Bipolar 2 Opposite Quadrant Power Supplies – D2AC Series
• Linear Power Supply for Superconducting Coils
• Start Engine Power Supplies – DAS Series
Dana Double Regulation Power Supplies
• Double Regulation Power Supplies – DO Series
• Double Regulation 2 Quadrant Power Supplies – D2O Series
• Double Regulation Bipolar Opposite 2 Quadrant Power Supplies – D2OC Series
Dana Thystor Regulation Supplies
• Thyristors Regulation AC/DC Power Supplies – DE Series

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    Part Number or Numbers

    DANA-Linear AC/DC Power Supplies for Photo-voltaic Inverter Testing

    Photo- Voltaic Inverter Testing

    DAX 10-1000 series AC/DC Power Supplies for Photo-voltaic Inverter Testing

    The state of art and ongoing developments of the technique to produce electric power from sun light are taking components of photo-voltaic systems to a very promising level of efficiency and reliability, this makes foresee a more and more wider diffusion of them. Accordingly significant investments for development and production of Solar Inverters are in progress. An important difference between solar inverters and usual inverters is the Maximum Power Point Tracker (MPPT) function, with the MPPT functions solar inverters steadily adjust work point in order to get maximum power the modules can provide as it can very rapidly due to changes of illumination.

    DANA AC DC Power Supply for Solar Inverter Testing

    DANA AC DC Power Supply for Solar Inverter Testing

    DANA Photovoltaic cell V vs insolation diagram

    Solar inverters must be tested checking the MPPT function also in case of changing work conditions. Another big issue is to test solar inverters installed on moving vehicles like cars, trucks or boats because the change of MPPT point is much faster then for fixed modules. For this application the total time to scan the power absorbed from inverter, can handle in various illumination conditions is 1 ms and this is not possible with usual digital systems. DANA developed a control board (PS5) in order to obtain the changing velocity required by this type of application. The PS5 combined with a very fast Power Supply (slew rate better than 1V/μs) it gives the right reply to requirements of such applications as shown on the diagram below.

    DANA Output diagram of the DA power supply programmed with the PS5 board

    Output diagram of the DA power supply programmed with the PS5 board

    The result obtained with the PS5 programming board makes DANA’s Power Supplies particularly suitable for this type of tests due to the following features: – rise and fall time of output voltage up to 1 V/μs with extremely low overshoots – recovery time from no load to full load under 20 μs for ±1% of set voltage – possibility to create the profile of a photo-voltaic cell with programming the PS5 board which works with 1.024 samples per ms. – V/I values settable in local (multi turn potentiometers) or in remotely (analog or digital programming)

    DANA Block Diagram of a test system

    DANA Block Diagram of a test system

    The interface card “PS5” can be used in AC-DC Power Supplies in our series DA, which can have output voltage up to 800 Vdc with output power up to 40kW.