Advanced Energy Storage & Power System Technology
Technical architecture of the hardware, power electronics, control software, and grid-forming systems engineered into Ultrathon Electric energy infrastructure projects.
Containerised BESS Architecture
Modular, high-energy-density storage systems engineered for continuous duty cycles, tropical ambient conditions, and multi-decade operational life in grid-scale and industrial applications.
LFP & Sodium-Ion Cell Chemistry
Lithium Iron Phosphate (LFP) prismatic cells and emerging Sodium-ion chemistries selected for superior thermal stability, >6,000-cycle life, and superior safety profiles under tropical ambient conditions (up to 45°C ambient).
- • Cell-level voltage monitoring via precision BMS
- • Modular rack architecture (50–250 kWh per rack)
- • C-rate: 0.5C to 2C charge/discharge
- • DOD: ≥90% usable capacity
Liquid Cooling & HVAC Integration
Active liquid-cooled thermal management maintains cell operating temperature within 20–35°C, extending cycle life and preventing thermal runaway propagation in containerized deployments rated for IEC 62619 compliance.
- • Glycol-water coolant loop with CRAC units
- • Cell-to-cell thermal propagation barriers
- • NFPA 855 fire suppression pre-wired
- • IP55-rated container enclosures
Turnkey 20/40ft BESS Container Units
Factory-assembled and pre-tested BESS containers incorporating battery racks, PCS, MV transformer, BMS, EMS, HVAC, and fire suppression — enabling rapid site deployment with single cable interconnection.
- • 1–5 MWh per 40ft container unit
- • Factory Acceptance Test (FAT) before dispatch
- • IEC 62933 / IEC 60529 compliant
- • Stackable for MW-scale deployments
Power Conversion Systems (PCS) & Grid-Forming Control
Bi-directional 4-quadrant PCS inverters delivering millisecond grid support, synthetic inertia, frequency regulation, and black-start capabilities for mission-critical grid applications.
Bi-Directional 4-Quadrant PCS Inverters
Medium-voltage bi-directional PCS with 4-quadrant operation enables simultaneous active and reactive power control — critical for grid frequency support, peak shaving, and renewable firming applications.
- • Response time: <20ms for frequency response (FFR)
- • THD: <3% at full load (IEEE 519 compliant)
- • Power factor control: 0.85 lead to 0.85 lag
- • Efficiency: ≥98% at rated load
- • DC bus voltage: 800V–1500V range
Grid-Forming Inverter Control & Synthetic Inertia
Grid-forming (GFM) control algorithms emulate synchronous generator behaviour — providing synthetic inertia, voltage source operation, and black-start capability without dependence on the existing grid frequency reference.
- • Virtual synchronous machine (VSM) control mode
- • Island detection and seamless grid reconnection
- • Black-start capability for critical load restoration
- • ROCOF withstand: ±2 Hz/s (CEA grid code)
- • Droop control: primary frequency & voltage regulation
BMS, EMS & SCADA Control Hierarchy
Three-layer control architecture ensuring cell-level protection, asset-level energy optimisation, and plant-level grid dispatch — all integrated with SLDC and RLDC telemetry requirements.
Battery Management System (BMS)
Cell-level BMS monitors individual cell voltage, temperature, and state-of-charge (SOC) across every rack — providing balancing, protection, and real-time diagnostics to the EMS layer via CAN/RS485 or Modbus TCP.
- • Cell-level over/under voltage protection
- • SOC / SOH / SOE estimation algorithms
- • Active and passive cell balancing
- • Thermal runaway early-warning analytics
Energy Management System (EMS)
Asset-level EMS executes dispatch strategies — peak shaving, arbitrage, frequency regulation, or renewable firming — based on grid signals, tariff schedules, and SLDC dispatch commands received via RTU/DNP3 protocol.
- • Multi-mode dispatch: FFR, FCR, BESS arbitrage
- • Load forecasting & SoC optimisation
- • DNP3 / IEC 61968 / MODBUS TCP integration
- • Setpoint tracking with <100ms response
SCADA & Grid Operator Integration
Plant-level SCADA aggregates data from all BESS containers, PCS inverters, and grid metering — transmitting real-time power flow, energy throughput, and alarm states to SLDC/RLDC control centres via IEC 60870-5-104 or ICCP.
- • IEC 60870-5-104 / ICCP telemetry to SLDC
- • OPC-UA server for third-party integration
- • Redundant SCADA servers with UPS backup
- • Cybersecurity: IEC 62351 compliant architecture
Grid Interconnection Standards & Regulatory Compliance
All Ultrathon Electric projects are engineered to satisfy CEA, CEIG, and IEGC technical standards — ensuring seamless integration with PGCIL, ISTS, and state transmission utility grid infrastructure.
CEA Technical Standards & IEGC Grid Code Compliance
All HV/MV interconnection designs comply with CEA Technical Standards for Construction, Operation and Maintenance (TCOM) regulations and the Indian Electricity Grid Code (IEGC) issued by CERC — mandatory for any ISTS-connected generation or storage project.
- • CEA (Technical Standards for Grid Connectivity) Regulations
- • IEGC: Frequency, voltage, and reactive power limits
- • CERC BESS Connectivity Regulations (2023)
- • State Grid Connectivity Regulations (SERC)
- • CEIG inspection clearance for energisation
International Electrotechnical Standards for BESS & Grid
Equipment specification, testing, and commissioning protocols adhere to IEC and IEEE standards ensuring global-grade reliability, interoperability, and safety certification for all BESS, PCS, and substation assets.
- • IEC 62933 — BESS performance & safety testing
- • IEC 62619 — Safety for large-format LFP batteries
- • IEC 61850 — Substation communication & SAS
- • IEEE 1547 — Interconnection of distributed resources
- • NFPA 855 — Fire code for ESS installations
Utility-Scale Solar PV Technology Stack
Technology selection and system design philosophy for high-yield, long-life utility-scale ground-mount solar PV plants integrated with BESS and high-voltage evacuation infrastructure.
Bifacial TOPCon & PERC Modules
Bifacial TOPCon (Tunnel Oxide Passivated Contact) and PERC high-efficiency modules with ≥22.5% front-side efficiency and rear-side gain of 10–20% on single-axis tracking systems.
Single-Axis Trackers (SAT)
Horizontal single-axis tracking systems with backtracking algorithms delivering 15–25% higher energy yield versus fixed-tilt, using terrain-adaptive motors and wind-stow safety protocols.
String & Central Inverter Stations
High-density string inverter stations (100–250 kW per unit) with decentralised MPPT maximising energy harvest at row level, combined with step-up pooling transformers to MV collection.
PR Ratio & Irradiance Analytics
Class-A pyranometers, soiling sensors, and IV curve tracers integrated with plant SCADA for real-time Performance Ratio (PR) computation, soiling loss trending, and string-fault detection.
Explore Technology Integration for Your Infrastructure Project
Our engineering leads at IMT Manesar, Delhi NCR are ready to evaluate single-line diagrams, PCS specifications, BESS sizing, and grid interconnection requirements.