30.05.2017

RRC REstore storms the market

In industrial application of energy storage systems major drivers are not pure power, availability and durability.

Instead, it is more about a deep understanding of customers profit opportunities and the translation into a tailored concept to gain an early return on invest. RRC’s energy storage series REstore covers all these requirements in a single concept.

The modular and fully scalable design enables both the independent dimensioning of inverter and battery from 30kW/46kWh up to 1MW/1MWh.

RRC REstore storage system works either grid-connected or off-grid. The multi-level battery management system guarantees a safe and durable operation of the battery system.

The RRC developed operating system REN-OS enables a wide range of applications, e.g. due to easy and flexible connection of various energy sources. The smart control center is supervising the battery management and acts as communicator between the energy storage system and the outside world. Focus is managing and controlling challenging applications and operating modes, in particular the “multi-use” operation of the system to optimize profit.

A broad range of interfaces and remote communication options e. g. the browser-oriented parameterization / monitoring and diagnostic functions via tablet computer or smart phone round off the profile of REstore as an universally applicable energy storage system.

Press Release "RRC REstore storms the market"

Download Data Sheet RRC-ESS-REstore

31.03.2017

Battery charger are in scope of DoE for energy efficiency now

The US Department of Energy (DoE) has adopted a rule requiring minimum efficiency levels for battery chargers.

The DoE has determined that technological feasibility allows for an economically justifiable improvement that will result in significant energy and operating cost savings.

Compliance with the adopted standards established for battery chargers in this final rule is required of all covered units manufactured or imported to the U.S. starting on June 13, 2018. By the beginning of 2018 all RRC standard chargers will comply with the modified efficiency standard.

The Department of Energy requirements 10 CFR Part 430 will be revised to increase efficiency levels, and will more closely reflect the requirements of the California Energy Commission (CEC).

The coverage includes chargers for batteries with low (<100Wh), medium (100-3000Wh), or high energy (>3000Wh), and of various voltage levels as well. The exception to the modified rule are FDA listed and approved chargers with life-sustaining or life-supporting products.

More details and the complete text can be found here: Download of the requirement

30.03.2017

Maximum energy output with minimal cell count

Li-Ion battery packs today are required to be less than 100Wh of energy to allow transport without declaration of hazardous goods.

Li-Ion battery packs today are required to be less than 100Wh of energy to allow transport without declaration of hazardous goods. Previous battery packs had to use a combination of 9 or 12 cells to reach the 100Wh limit. The new RRC2054-2 Li-Ion battery pack from RRC power solutions provides this high capacity with only 8 cells.

The battery pack, designed as a 4S2P configuration, provides its power of 99Wh at 14.4V and a capacity of 6900mAh. The RRC2054-2 is SMBus compatible and complies with the SBS specification Rev 1.1.

The pack conforms with the JEITA standard and broadcasts the levels for charging current and charging voltage independently and as a function of temperature. The battery also fulfills the UL 1642 and UL 2054 as well as the IEC 62133 standards needed for medical device requirements.

The battery uses sophisticated technologies, such as the TI Impedance Tracking, which makes recalibration unnecessary. The integrated cell balancing increases battery life. Multi-level protection and safety systems are standard in RRC batteries. And compliance with mandatory country-specific approvals and registration in international recycling systems enables for worldwide use. Samples for evaluation will be available in September 2017. Battery production to begin in November.

In regards to optimally charging the RRC2054-2, RRC offers two SMBus-compliant desktop battery chargers RRC-SMB-UBC and RRC-SMB-MBC, as well as the integrated PMM240 power management module.

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NEWS

In industrial application of energy storage systems major drivers are not pure power, availability and durability.

The US Department of Energy (DoE) has adopted a rule requiring minimum efficiency levels for battery chargers.

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