AINEGY Solar Diesel Hybrid Microgrid BESS Cabinet / Liquid Cooling
A factory-integrated liquid-cooled microgrid BESS cabinet designed to make PV generation, LiFePO4 battery storage, grid supply, diesel generator backup and critical loads operate as one coordinated energy system.
The AINEGY 125kW/261kWh platform integrates the battery system, BMS, bidirectional PCS, EMS, PV MPPT input, diesel generator interface, fire protection and communication architecture inside one cabinet. It reduces the number of separately engineered storage and control interfaces while giving EPCs a defined platform for C&I microgrid, generator-backup and remote-power projects.
What Makes It an AINEGY Microgrid BESS Cabinet?
A conventional energy storage cabinet mainly stores and converts electrical energy. The AINEGY Solar Diesel Hybrid Microgrid BESS Cabinet adds the interfaces and control architecture required to coordinate PV, battery storage, utility power, diesel generation and prioritized loads.
AINEGY Energy Coordination Logic
A solar diesel hybrid ESS creates value when its energy sources are dispatched as one controlled microgrid—not when PV, battery and diesel generator operate as isolated equipment.
Use Available PV Before Fuel-Based Generation
Solar power can supply local demand and charge the battery during productive hours, helping the project make greater use of onsite renewable generation.
Separate Short-Term Power Demand from Generator Runtime
Battery discharge can cover short peaks and temporary PV reductions, reducing the need to start or repeatedly cycle a generator for every short-duration event.
Keep Energy Available for Priority Loads
The EMS strategy can maintain a defined battery reserve so operational savings do not consume the energy allocated to critical-load support.
Extend Supply Beyond Battery-Only Duration
When solar production and battery reserve cannot cover sustained demand, diesel generation can support the load bus or recharge the battery according to the configured sequence.
Coordinate Grid, Generator and Islanded Operation
The AINEGY cabinet works with external ATS equipment to implement the project’s source-transfer, interlocking and load-isolation architecture.
Scale Power and Energy with a Defined Cabinet Platform
Up to 12 units can be engineered in parallel, giving EPCs a repeatable path to larger commercial microgrid battery storage projects.
AINEGY Engineering Behind the 125kW/261kWh Microgrid Cabinet
Product stability is supported by the integration of battery protection, energy dispatch, bidirectional conversion, thermal management, safety response, field visibility and communication—not by the cabinet enclosure alone.
Years of BMS/EMS Technology Accumulation
AINEGY’s energy-storage platform is built around long-term development of battery-management and energy-management technologies.
Countries and Regions Reached
International project exposure supports adaptation to different voltage, grid, generator and environmental conditions.
Energy Storage Product Models
A broad product platform supports cabinet, container, residential and project-specific energy storage configurations.
Cumulative Battery Shipment
Manufacturing and delivery experience supports repeatable battery-system integration and international project execution.
Battery State Estimation and Multi-Layer Protection
The AINEGY BMS platform is developed around cell monitoring, balancing, temperature and current supervision, SOC estimation, hierarchical management and coordinated fault response.
Multi-Source Operating Strategy
EMS provides the control layer for PV priority, battery SOC reserve, generator-assisted operation, grid/island modes, remote monitoring and multi-unit coordination.
125kW Bidirectional Power Conversion
Integrating the PCS with the battery and EMS reduces external control boundaries and gives the project a coordinated AC/DC conversion platform.
Liquid Cooling for a Dense 261kWh Battery System
Coolant circulation provides a direct heat-transfer path around the battery modules, supporting thermal consistency during changing charge, discharge and ambient conditions.
Battery Protection, Fire Protection and Electrical Coordination
Battery-side IP65 protection, integrated fire protection and BMS/PCS fault coordination create multiple layers between abnormal conditions and continued system operation.
RS485, Ethernet and 4G Communication
Multiple communication interfaces support local integration, remote operating visibility and connection to the wider project monitoring architecture.
Microgrid Status Made Visible in the Field
AINEGY T-Visual™ converts complex hybrid-energy operation into an immediate front-panel status language. Operators can identify the available energy sources, system run or fault condition and battery energy level without first navigating a multi-page software interface.
Advantages of AINEGY Liquid Cooling for a 261kWh Microgrid BESS Cabinet
For a high-energy-density 261kWh cabinet, thermal management is not only about cooling the battery. AINEGY liquid cooling is designed to improve heat-transfer efficiency, support more consistent module temperature, reduce dependence on cabinet airflow and maintain stable operation during PV charging, 125kW discharge, generator-assisted recharge and outdoor C&I microgrid duty cycles.
| Engineering Consideration | Air-Cooled Cabinet | AINEGY Liquid-Cooled 261kWh Microgrid BESS Cabinet |
|---|---|---|
| Heat-transfer path | Uses conditioned airflow and cabinet air ducts to remove heat. | Uses circulating coolant and cold-plate paths positioned closer to battery-module heat sources. |
| Temperature uniformity | Performance depends strongly on airflow balance, duct geometry, filter condition and cabinet layout. | Better suited to controlling module-to-module temperature variation in a compact high-energy-density arrangement. |
| Cabinet energy density | Requires sufficient air channels and heat-exchange space around the battery racks. | Supports a denser 261kWh cabinet architecture without relying only on large internal airflow passages. |
| Variable microgrid duty | Suitable where charge/discharge intensity, ambient temperature and cycling duty are moderate. | Selected for repeated PV charging, 125kW discharge, SOC recovery and generator-assisted recharge conditions. |
| Project economics | Lower initial complexity and cost; appropriate for smaller or budget-sensitive projects. | Higher thermal-system complexity, justified where temperature consistency, compactness and operational stability have greater project value. |
Not Only Maximum Temperature
For stationary BESS, a major thermal objective is maintaining a consistent operating environment across battery modules, not simply cooling the hottest point.
Reduced Dependence on Cabinet Airflow
Liquid cooling reduces reliance on long air paths through a densely populated cabinet, where airflow resistance and local recirculation can create uneven conditions.
Designed for Project-Level Duty
The architecture is suited to C&I projects where battery cycling, high ambient temperature and source transitions can change the heat load throughout the operating day.
AINEGY PV–Battery–Grid–Diesel Microgrid Architecture
The system architecture connects multiple distributed energy resources to one managed AC bus. The AINEGY microgrid BESS cabinet supplies the storage, conversion, solar-input and control core, while the project switchgear defines source isolation, protection and load distribution.
Problems AINEGY Microgrid BESS Cabinet Helps Solve
The AINEGY 125kW/261kWh liquid-cooled microgrid BESS cabinet is designed for C&I and remote power projects where PV generation, battery storage, grid supply, diesel generator backup and critical loads must be coordinated in one system.
From Energy Problem to Microgrid Configuration
AINEGY helps project owners and EPCs move from a simple equipment purchase to a complete microgrid configuration logic: PV capacity, generator power, battery reserve, critical-load duration, motor starting demand, ATS topology, site temperature, communication and future expansion are evaluated together.
Lower Generator Dependence
AINEGY microgrid BESS cabinet stores solar energy and coordinates generator support for remote projects where fuel transport and long generator runtime increase operating cost.
Manage Real Load Behaviour
AINEGY configuration considers motors, compressors, pumps, power factor, peak demand and phase balance instead of relying only on nominal running power.
Protect Priority Loads
AINEGY microgrid design supports selected loads such as pumps, refrigeration, lighting, POS, communication and control systems during grid instability or outages.
AINEGY 125kW/261kWh Technical Specifications
Model IYP-B261L-125H3S-120M1-HX1 combines a 261kWh high-voltage LiFePO4 battery system, 125kW three-phase PCS and 120kW PV input within a liquid-cooled cabinet architecture.
| Item | Specification |
|---|---|
| Product | AINEGY Solar Diesel Hybrid Microgrid BESS Cabinet / Liquid Cooling |
| Model | IYP-B261L-125H3S-120M1-HX1 |
| Battery System | |
| Battery Chemistry | LiFePO4 |
| Rated Energy | 261kWh |
| Nominal Voltage | 832V |
| Rated Capacity | 314Ah |
| Battery Cooling | Liquid cooling |
| PV Input | |
| Maximum PV Power | 120kW, 1 channel |
| Maximum PV Voltage | 950Vdc |
| MPPT Voltage Range | 250–850Vdc |
| Maximum PV Input Current | 200A |
| MPPT Channels | 1 |
| Grid / AC Input | |
| Rated Power | 125kW |
| AC Voltage | 400Vac / 230Vac, L1 / L2 / L3 / N / PE |
| Rated Frequency | 50Hz / 60Hz |
| Maximum AC Current | 189A |
| Islanded / AC Output | |
| Rated Power | 125kW |
| AC Voltage | 400Vac / 230Vac, L1 / L2 / L3 / N / PE |
| Rated Frequency | 50Hz / 60Hz |
| Maximum AC Current | 189A |
| On/Off-grid Switching Time | <20ms |
| Maximum Parallel Quantity | 12 units |
| Microgrid Interfaces and General Data | |
| ATS Transfer Architecture | External ATS compatible |
| Diesel Generator Interface | Yes |
| Communication | RS485 / Ethernet / 4G |
| Battery Protection Rating | IP65 |
| Fire Protection System | Yes |
| Operating Temperature | -10°C to 55°C |
| Relative Humidity | 5% to 95% |
| Altitude | <2000m |
| PCS Cooling | Intelligent cooling |
| Dimensions | 1620 × 1300 × 2000mm |
| Approximate Weight | 2500kg |
PV Array Data Required
- Module Voc and temperature coefficient
- String operating voltage
- Total PV capacity and array orientation
- Maximum current within the 200A input limit
Generator Data Required
- Rated and standby power
- Minimum stable loading
- Overload and step-load response
- Controller communication and start/stop interface
Load Study Required
- Hourly load curve and maximum simultaneous demand
- Motor and compressor starting current
- Power factor and reactive-power demand
- Critical and non-critical load separation
Site and Integration Data
- Single-line diagram and grounding arrangement
- ATS rating and transfer sequence
- Ambient temperature and altitude
- Local communication and remote-monitoring protocol
Engineering FAQ and RFQ Readiness
The following answers help EPCs, distributors and C&I project owners prepare accurate technical requirements before requesting an AINEGY quotation.
Start with the hourly load curve and separate critical from non-critical demand. Compare daytime PV production with the load profile, calculate the required stored-energy duration, define the minimum SOC reserve and size the generator for sustained low-solar operation. The cabinet’s 120kW PV input and 125kW PCS ratings are engineering boundaries, not a replacement for an energy-balance study.
The dispatch sequence is configured around source status, load demand, battery SOC, operating priority and project reliability requirements. A typical strategy uses available PV first, stores surplus solar energy, preserves a defined battery reserve and requests grid or generator support when the remaining energy cannot satisfy the required load and duration.
Air cooling is suitable for lower-cost or moderate-duty applications. Liquid cooling is selected for this 261kWh cabinet because it provides a more direct heat-transfer path, supports better module temperature consistency and is more appropriate for compact, high-energy-density C&I microgrid cabinets with repeated PV charging, 125kW discharge and generator-assisted recharge.
ATS selection should consider continuous current, short-circuit withstand, grid and generator interlocking, neutral arrangement, transfer sequence, critical-load bus design and protection coordination. The ATS belongs to the project switchgear architecture and must match the AINEGY cabinet’s single-line diagram and control interface.
The specification describes the switching capability of the product platform. Sensitive-load performance also depends on ATS sequence, protection settings, wiring, commissioning and the ride-through tolerance of the connected equipment. Servers, VFDs, control systems and contactors should be reviewed individually during design.
Selection cannot be based on running power alone. Provide direct-on-line or soft-start current, starting duration, power factor, simultaneous starting sequence and acceptable voltage deviation. The result may require sequential starting, VFDs, generator assistance, a larger PCS configuration or multiple cabinets.
Parallel projects require synchronized PCS control, EMS communication, AC bus and breaker sizing, protection selectivity, cable-impedance review, battery SOC alignment and a controlled commissioning sequence. This model supports up to 12 cabinets, but the final quantity depends on the project topology and power-flow study.
Send the single-line diagram, country and grid standard, PV module and string data, generator specification, hourly load profile, motor-starting information, critical-load list, backup-duration target, ambient temperature, altitude, ATS requirement, communication protocol and expected future expansion.
Configure Your Project with AINEGY Microgrid Engineers
Send your PV data, generator specification, load curve, critical-load list, ATS topology, required backup duration and site conditions. AINEGY will use these inputs to evaluate the cabinet power, battery reserve, source priority, generator coordination and parallel expansion requirements.