Batteries and capacitors have similar loading requirements, which fit well with the standard functionality of Magna-Power power supplies. When a Magna-Power power supply is connected to a battery or capacitor, the power supply can be programmed for the nominal quiescent voltage and the highest desired charging current.

The power supply, in constant current mode, charges the battery or capacitor at the defined charge current, while the voltage increases with the amount of charge. Once the programmed rated voltage is reached, the Magna-Power supply automatically switches to voltage mode and the charging current drops to zero when charging is complete.
With such loads, we usually work with a protection diode and sense lines to protect the power supply while maintaining an accurate charging voltage.

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Arnold Memelink

ABB

"The ABB Power Grids Jumet organisation is an innovative development and production facility of ABB that manufactures active filters and battery energy storage systems to support a stable grid. To test these systems we have acquired two Cinergia GE/EL +120kVA eplus units capable of doing grid emulation (AC + DC), operating as an electronic load (AC +DC) and being a battery emulator. We have experienced very good support from TTMS in obtaining these two Cinergia units. This included organising an on-site demonstration and supplying loan systems prior to the delivery of our final systems. This way we could start testing as early as possible. TTMS also organised training for the operators from the original manufacturer. This support allowed us to introduce the first battery energy storage systems even prior to the full delivery of the Cinergia systems."

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Sasan Rafii-Tabrizi

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