Off-grid power supply device for hybrid energy storage systems OFGSⓇ-H
OFGS® Series Automatic Switchboard for Hybrid Energy Storage Systems
Switching unnecessary (always powered type) for 'always and in case free' - towards a phase-free environment for 'disaster preparedness without preparation' OFGSⓇH series.
The OFGS® (OFF GRID SWITCH BOX) series from Tsuruta Electric is a switchboard/transmission system that integrates a transformer with control and protection, developed to maximize the use of solar battery storage both during normal operation and during power outages. The OFGS®-H series is a constant power supply system designed for hybrid battery systems. Even during power outages or restoration, it allows for seamless power supply and autonomous operation without the need for manual intervention, thanks to the automatic switching mechanism of the dedicated transformer. This system fully utilizes the capabilities of hybrid PCS without the need to switch between grid and off-grid modes, addressing challenges related to installation conditions for corporate renewable energy initiatives such as BCP measures, phase-free operations, and RE100. It enables the construction of a battery storage system that provides clean energy from natural sources (solar power) and off-grid (independent of the power grid) without distinction between normal and emergency situations. By packaging "three-phase transformers" + "Scott transformers (for specific single-phase loads)" + "protection devices" + "control devices" into an 'all-in-one package,' installation and construction time can be significantly reduced.
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The 'Autonomous Operation Transformer System OFGSⓇ-H Series' automatically switches between battery output and grid interconnection output during power outages and restoration. ■ A packaged structure that includes a three-phase transformer, Scott transformer, protective devices, and control devices, making installation and construction smooth and easy. ■ Prevention of leakage current through the function of the isolation transformer. ■ Voltage conversion (output voltage converted to 210V). ■ Equipped with lightning surge protection. ■ High efficiency and low standby power. ■ Standard compliance with fire prevention regulations. ■ The control box packages the OVGR and RPR necessary for self-consumption, along with a multi-meter required for generation tracking control, simplifying installation work. * For inquiries about hybrid storage systems, please contact us at order@tsuruta-electric.co.jp. * We also offer the automatic output switching type switchboard 'OFGSⓇ-I Series' for industrial storage battery systems during power outages/restoration. Together with B-Innovation's AC-Link storage batteries, we build reliable BCP measures for small and medium-sized facilities and factories.
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Applications/Examples of results
■Self-consumption and BCP measures: Continuous electricity supply possible during disasters at factories and small to medium-sized commercial facilities. ■Renewable energy power storage: Off-site/on-site PPA renewable energy introduction and peak cut, storage of electricity for FIP sales. ■Corporate CSR, decarbonization, CO2 reduction, and contribution to carbon neutrality. = Tsutada Electric Co., Ltd. = We propose renewable energy systems with a track record of over 15,000 units shipped and installed, including full self-consumption solar power generation systems and FIT-type low-voltage distribution line connected solar power generation systems, based on appropriate problem-solving methods and perspectives of safety and reliability. = Main series names of solar power generation systems = ■PPSCⓇ: Full self-consumption solar power generation system. ■SCOTT: Scott transformer dedicated to battery storage systems (dry-type Scott transformer). ■SPIⓇ: Insulation transformer for solar power generation. ■RS: Full self-consumption PPSCⓇ PCS integrated solar power generation system. ■FRⓇ: Fire prevention regulation compliant products.
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At our domestic factory certified with international standard specifications, we conduct consistent in-house production from the development, manufacturing, inspection, certification, to shipping of transformers. We manufacture transformers for various applications, including medical equipment, semiconductor manufacturing devices, and machine tools, as well as transformers for self-consumption solar power generation, solar power generation systems, and off-grid switchboards for industrial battery systems, providing solutions for safe electricity supply across a wide range of fields. With over 50 years of cultivated technology and know-how, we offer transformer manufacturing and optimal power receiving/power supply systems, as well as energy solutions. We optimize and manufacture transformer products for a wide range of applications and specifications, including machinery, equipment, systems, and various plants, and we provide transformer systems for renewable energy/solar power generation systems with over 10,000 units manufactured and installed. We propose appropriate problem-solving methods, taking into account installation and construction challenges and environmental conditions, with a focus on safety and reliability. In battery systems, we deliver optimal solutions for efficiently utilizing solar power generation.