250kW MPS Hybrid Inverter Microgrid Energy Storage System with Isolation

The J003-250 MPS Microgrid Series Hybrid Inverter is a 250kW commercial and industrial energy storage system designed for complex microgrid applications. Featuring a built-in isolation transformer, the J003-250 supports simultaneous connection of PV, battery, grid, diesel generator and load — making it an ideal solution for integrated microgrid energy management. Delivering 250kW rated output (275kVA maximum) at 400V AC three-phase with less than 3% THDi and adjustable power factor (1 lagging to 1 leading).

With modular PV controller design for easy expansion, the J003-250 features a maximum PV input voltage of 1000V with MPPT voltage range of 250-850V for efficient solar energy harvesting. Flexible working modes configuration enables seamless adaptation to varying energy scenarios. Smooth on-grid/off-grid switching ensures uninterrupted power supply to critical loads. The built-in maintenance bypass switch simplifies servicing without system downtime. Complete inverter and battery protection functions with EMS real-time monitoring via RS485/TCP/IP provide comprehensive system management. BMS communication via RS485/CAN ensures safe battery integration.

Operating reliably from -30°C to 55°C with IP20 protection and forced air cooling, the J003-250 is certified to EN62109-1/-2, EN62477-1, EN61000-6-2, EN61000-6-4, and international grid standards including NRS097-2-1 and IEC61727.

• Multi-Source Integration - simultaneous PV, battery, grid, diesel and load connection for complete microgrid energy management in a single system.
• Built-in Isolation Transformer - enhanced electrical isolation and superior load adaptability for industrial and commercial microgrid applications.
• Modular PV Controller Design - scalable PV input configuration with 1000V max input and 250-850V MPPT range for flexible solar integration.
• Flexible Working Modes - configurable operation modes adapting to grid-connected, off-grid and hybrid scenarios based on energy availability.
• Smooth On-Grid/Off-Grid Switching - seamless transition between grid and island modes ensuring uninterrupted power to critical loads.
• Built-in Maintenance Bypass - integrated bypass switch enables servicing without system shutdown, reducing operational downtime.
• 250kW Rated Output - 275kVA maximum output power with 420~850V battery voltage range for commercial microgrid deployments.
• Complete Protection Functions - comprehensive inverter and battery protection with EMS real-time monitoring via RS485/TCP/IP.
• International Certifications - certified to EN62109, EN62477, EN61000, NRS097-2-1, IEC61727, IEC62116 and IEC61683 standards.
• DSP Multi-Protocol Control - BMS RS485/CAN, EMS RS485/TCP/IP with LCD touch-screen display and forced air cooling.

• Industrial Microgrid - factory and manufacturing plant microgrid with PV, battery and diesel backup integration.
• Commercial Energy Storage - office buildings, hotels and shopping centers with peak shaving and demand management.
• PV + Battery Storage System - solar self-consumption optimization with battery storage and grid interaction.
• Diesel Hybrid Power System - diesel generator integration with PV and battery for fuel saving and emission reduction.
• Grid Connected Energy Storage - frequency regulation, peak shaving and grid stabilization for utility applications.
• Off-Grid Energy System - standalone microgrid for remote areas, islands and mining operations with multi-source power.

1. What power sources can be connected? - PV, battery, grid, diesel generator and load can be connected simultaneously for complete microgrid management.
2. What is the output power? - 250kW rated (275kVA maximum) at 400V AC three-phase, 50/60Hz with less than 3% THDi.
3. Does it have an isolation transformer? - Yes, built-in isolation transformer for superior electrical isolation and load adaptability.
4. What is the PV input specification? - Maximum 1000V DC input with MPPT voltage range 250-850V and full load MPPT range 450-850V.
5. What certifications? - EN62109, EN62477, EN61000, NRS097-2-1, IEC61727, IEC62116 and IEC61683.

Shaanxi Tianon New Energy Technology Co., Ltd. is a professional manufacturer of integrated energy storage and solar conversion systems. With dual manufacturing hubs in Xi'an and Anhui and over 10 years of new energy export experience, we deliver premium-quality products backed by rigorous quality inspection and international certification. We serve distributors, EPC contractors, and project developers in 50+ countries across Europe, North America, and Southeast Asia.