ST510CS-2H-CNPOWERSTACK: COMMERCIAL & INDUSTRIAL LIQUID COOLED ENERGY STORAGE SYSTEM
EXECUTIVE SUMMARY
The ST510CS-2H-CNPowerStack represents a next-generation, grid-tied commercial and industrial (C&I) battery energy storage system (BESS). Engineered for peak shaving, demand charge reduction, and backup power applications, this Tier-1 LFP-based solution integrates high-density liquid cooling, a bi-directional PCS, and an advanced three-layer BMS into a compact outdoor-rated enclosure. With a nameplate AC power of 100 kW and usable energy of 215 kWh per base cabinet, the platform supports direct parallel expansion up to MWh-scale, delivering a turnkey, UL9540-ready asset for commercial facilities, EV charging hubs, and micro-grids.
SYSTEM ARCHITECTURE & SAFETY
The ST510CS-2H-CNPowerStack employs a centralized DC-bus architecture. Each cabinet integrates:
– LFP battery racks (350 V – 500 V DC nominal)
– Dual-channel 50 kW PCS (total 100 kW AC, 480 V / 400 V configurable)
– Intelligent liquid cooling distribution unit (LCDU)
– Local EMS controller with cloud IoT gateway
SAFETY LAYER OVERVIEW:
1. Cell-level: Ceramic separator + pressure relief + CID (UL 1642, IEC 62619)
2. Module-level: Passive propagation resistance + flame-retardant plastics (UL94 V-0)
3. Rack-level: HV DC contactors + pre-charge circuit + fast fusing
4. Cabinet-level: Aerosol-based fire suppression (NFPA 69) + gas venting + IP55 ingress protection
5. System-level: Dry contact to external fire alarm panel + emergency power off (EPO)
KEY FEATURES
– HIGH DENSITY LIQUID COOLING: ±1°C cell-to-cell variance enabling 1,000+ cycles at 1C without derating.
– TURNKEY PARALLEL SCALING: Up to 10 cabinets (1.0 MW / 2.15 MWh) share a single AC coupling transformer, reducing balance-of-system costs by >20%.
– GRID-FORMING READY: Virtual inertia & black start capability for islanded micro-grids (optional EMS license).
– ACTIVE CELL EQUALIZATION: Passive + active balancing (2 A) maximizes usable capacity and extends second-life potential.
– SMART THERMAL RUNAWAY DETECTION: Multi-gas (CO, H2, VOC) + aerosol particle sensor triggers pre-warning >5 minutes before thermal event.
COMPLIANCE & STANDARDS
– Safety: UL 9540A (cell, module, unit), UL 1973, IEC 62619, IEC 62477-1, UN38.3
– Grid interconnection: IEEE 1547, UL 1741 SA (grid-support), VDE-AR-N 4105
– EMC: FCC Part 15 Class A, EN 61000-6-2/4
– Environmental: RoHS, REACH, CE marking
– Cybersecurity: IEC 62443-3-3 (base compliance, remote access via encrypted VPN)
TECHNICAL SPECIFICATIONS
| Parameter | Specification |
|---|---|
| Usable Energy (AC, base cabinet) | 215 kWh (C-rate: 0.5C) |
| AC Power (Grid-tied) | 100 kW @ 480V / 400V, 3P+N+PE, 60/50 Hz |
| Max DC Power | 115 kW (charge/discharge) |
| Round-trip Efficiency (DC/DC) | 94.5% (0.5C, +25°C) |
| Round-trip Efficiency (AC/AC) | 87.5% (including PCS + aux losses) |
| Cooling Method | Liquid cooling (Ethylene-glycol / water), IP55 outdoor unit |
| Cell Chemistry | LFP (Lithium Iron Phosphate), Tier-1 automotive format (280 Ah) |
| Cycle Life (EOL 70%) | ≥6,000 cycles @ 1C/1C, +25±3°C |
| Operating Temperature | -20°C to +50°C (derating above 45°C) |
| Ingress Protection | IP55 (cabinet), IP67 (battery modules) |
| Fire Suppression | Aerosol-based + pressure relief (UL / FM approved) |
| Dimensions (W×D×H) | 1200 mm × 1100 mm × 2200 mm |
| Weight (total) | ~2100 kg |
| Parallel Scaling | Up to 10 cabinets (1.0 MW / 2.15 MWh), AC coupled |
| Communication | Modbus TCP/IP, CAN 2.0, optional 4G/WiFi gateway |
| Certifications | UL 9540 (system), UL 1973, IEC 62619, UN38.3, CE |
INDUSTRIAL DEPLOYMENT
TARGET APPLICATIONS:
– Manufacturing facilities (demand charge reduction >30% typical)
– EV fast-charging stations (grid peak shaving + battery buffering)
– Office campuses & data centers (uninterruptible power + energy arbitrage)
– Retail & cold storage (power factor correction + backup for critical loads)
TYPICAL DEPLOYMENT DENSITY:
– Footprint: 1.8 m² per cabinet (1.2 m W × 1.1 m D × 2.2 m H)
– Pad requirements: Level concrete pad with 200 mm clearance for airflow, 500 mm service access front.
– Ambient range: -20°C to +50°C (full power up to 45°C, derated thereafter).
WARRANTY & SUPPORT:
– Standard: 10 years / 6,000 cycles (70% EOL capacity retention, 1C/1C, 25±3°C)
– Extended: 12 years / 8,000 cycles available (performance-based SLA)
– Remote monitoring: Cloud EMS dashboard with predictive failure alerts + local HMI touch panel.
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