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Beijing V2EE Technology Co., Ltd.

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  • BESS Controller
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  • Smart Integrated Energy Platform
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  • Utility-Scale Solar & Wind Output Smoothing
  • Distribution-Connected BESS Upgrades
  • C&I Export Limitation & Behind-the-Meter Self-Consumption
  • Residential DER Edge Management
  • Multi-Technology BESS Integration & Orchestration
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Smart BESS Controller: Optimising BESS Agility and Intelligence at the Edge

Response latency <= 20ms
Control deviation < 0.5%
50,000+ points per gateway
  • Empowering Agile and Intelligent Energy Storage Management
  • Edge-Level Control: Delivers millisecond-level perception and coordinated control at the edge for rapid system response
  • High Compatibility: Supports multi-protocol integration across diverse battery chemistries and storage assets
  • Grid Resiliency: Enables autonomous operation under both grid-forming and grid-following scenarios
  • Scalable Deployment: Available in multiple configurations to suit systems from hundreds of kWh up to multi-MWh utility scales
  • Asset Optimisation: Enhances financial returns and system resilience while ensuring strict grid compliance
  • Empowering Agile and Intelligent Energy Storage Management
  • Edge-Level Control: Delivers millisecond-level perception and coordinated control at the edge for rapid system response
  • High Compatibility: Supports multi-protocol integration across diverse battery chemistries and storage assets
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BESS Controller product

Technical Features

  • Protocol Decoupling: Modular algorithms support diverse battery chemistries and PCS topologies for mixed-asset integration.
  • Full-Stack Control: Integrated control chain from low-level PID to high-level MGS ensures high precision and low latency.
  • Edge Intelligence: Localised models execute on-site diagnostics, thermal early warning, and strategy optimisation without cloud risk.
  • Predictive Accuracy: Short-term weather and historical load models deliver >95% 24/7 load forecasting accuracy.
  • Self-Optimisation: Online reinforcement learning automatically updates control strategies every 24 hours.
  • OTA Updates: Supports remote cloud-based firmware upgrades and configuration changes.
  • Fast Response: Full-link latency from command to hardware execution is <20ms, supporting Fast Frequency Response (FFR) and voltage control.
  • High Precision: Maintains voltage/current control deviation within <0.5%, with a frequency tracking sensitivity of 0.01Hz.
  • Seamless Islanding: Supports seamless transfer to island mode in <10ms to protect critical loads.
  • Dispatch Compliance: Accelerates dispatch response times by over an order of magnitude to satisfy strict grid utility requirements.
  • Abundant IO & Communication Interfaces: Equipped with a versatile array of RS485, CAN, and LAN communication interfaces, with custom configurations available on request.
  • Deep Multi-Protocol Integration: Native support for MQTT, MODBUS, IEC61850 (MMS, GOOSE), IEC60870-5-104, alongside proprietary high-efficiency communication protocols.
  • High-Concurrency Ingestion: A single edge gateway supports concurrent data collection from over 100 data sources, managing the acquisition, storage, forwarding, and uploading of over 50,000 data points.
  • High Device Density: Current production technical specifications support concurrent control of more than 256 physical devices per single unit.
  • Customisable Adaptation Layer: Highly configurable software architecture allows flexible deployment across various hardware carriers while maintaining rock-solid operational stability.
  • Localised Middleware Hub: Serves as the crucial physical link between sub-devices and the station-level EMS in utility-scale projects, handling local strategy execution and data aggregation.
  • Cell-Level Fault Diagnostics: 24/7 cell-level monitoring provides > 24-hour early warning for thermal runaway and aging.
  • Industrial Reliability: Control system delivers an MTBF of >50,000 hours.
  • Cyber Security Compliance: Fully compliant with IEC 62443 standards for industrial control systems security.
  • Dual-Mode Local HMI: Supports QT and Web HMI for on-site visual control and custom automated scripting.
  • Edge Autonomy: Local logic runs independently during weak-grid or total network blackouts, eliminating cloud risk.

Commercial Value

Brownfield & Greenfield Asset Upgrades

  • Legacy Asset Retrofits: Cross-generation hardware compatibility delivers cost-effective, flexible power-output retrofits.
  • Curtailment Mitigation: Millisecond-level forecasting and dynamic regulation maximise renewable hosting capacity and prevent curtailment.
  • Flexible Deployment: Acts as utility-scale plant middleware or functions directly as a local EMS for microgrids.

C&I and Distribution Networks

  • Dynamic Transformer Deferral: Modulates BESS output and local loads to shave peaks, deferring expensive network augmentation CapEx.
  • Precision Bill Optimisation: Maximises self-consumption and enforces zero-export control to slash network tariffs and retail bills.
  • Accelerated ROI: Optimised charge/discharge strategies shorten C&I BESS payback periods by over 15%.

Residential & Multi-Energy

  • Plug-and-Play Edge Intelligence: Auto-detects load profiles to slash commissioning time and long-term O&M costs.
  • Coordinating Heterogeneous Storage: Orchestrates co-located short and long-duration storage across varying tech platforms.
  • Upstream Universal Compatibility: Minimises integration complexity and engineering hours to protect existing infrastructure.

Energy Market Coordination

  • Market-Aware Revenue Engine: Tracks real-time spot prices to capture arbitrage windows during market volatility.
  • Active Market Participation: Shifts BESS from a passive load to an active market participant, boosting asset bankability.
  • Stacked Revenue Streams: Unlocks stacked revenue across arbitrage, ancillary services (FCAS), and capacity leasing.

Uncompromising Safety & Reliability

  • Defence-in-Depth: Continuous cell-level monitoring and risk algorithms ensure asset safety.
  • Data Portability & Audit Transparency: Full history export for compliance auditing and post-event analysis.
  • Resilient Standalone Operation: Local edge logic runs uninterrupted during network dropouts, eliminating cloud risk.

Benchmarking Performance

Industry Standard
Dispatch Response Latency100ms - 500ms
Data Sampling & Acquisition1s / cycle, 10k data points
EMS Deployment ArchitecturePure cloud-based or basic gateway
Strategy VersatilityFixed schedule/timer control
Heterogeneous CompatibilitySingle battery chemistry type
Our Controller Standard
Dispatch Response Latency≤ 20ms
Data Sampling & Acquisition10ms - 100ms / cycle, 50k data points
EMS Deployment ArchitectureEdge AI + Containerisation + Local QT HMI
Strategy VersatilityDynamic Algorithm Orchestration (Market-Aware)
Heterogeneous CompatibilityLithium / Sodium-ion / Molten Salt / Hydrogen + Multi-protocol
Core Value
Dispatch Response LatencyMeets AEMO compliance for FCAS and fast voltage support.
Data Sampling & AcquisitionCaptures transient power spikes for precise load profiling.
EMS Deployment ArchitectureFull edge autonomy; zero platform dependence for field operations.
Strategy VersatilityOptimises dispatch automatically against ToU tariffs and spot prices.
Heterogeneous CompatibilityFuture-proofs BESS integration to protect initial CapEx.
DimensionIndustry StandardOur Controller StandardCore Value
Dispatch Response Latency100ms - 500ms≤ 20msMeets AEMO compliance for FCAS and fast voltage support.
Data Sampling & Acquisition1s / cycle, 10k data points10ms - 100ms / cycle, 50k data pointsCaptures transient power spikes for precise load profiling.
EMS Deployment ArchitecturePure cloud-based or basic gatewayEdge AI + Containerisation + Local QT HMIFull edge autonomy; zero platform dependence for field operations.
Strategy VersatilityFixed schedule/timer controlDynamic Algorithm Orchestration (Market-Aware)Optimises dispatch automatically against ToU tariffs and spot prices.
Heterogeneous CompatibilitySingle battery chemistry typeLithium / Sodium-ion / Molten Salt / Hydrogen + Multi-protocolFuture-proofs BESS integration to protect initial CapEx.

Product Technical Specifications

BESS Controller Pro+
Core Processing Hardware
ProcessorDual-core 800MHz
RAM512MB
Storage8GB eMMC
Operating SystemLinux OS
Networking & Communications
LAN Ports(auto-negotiation)2 x Independent NICs (10/100M)
4G LTESupported
Wi-FiSupported
Interface Capabilities
CAN Ports2
RS485 Ports8
Analog Inputs (AI)N/A
Digital Inputs (DI)4
Digital Outputs (DO)4 (Volt-free / Dry Contacts)
USB2 × USB 2.0
HDMIN/A
SD Card Slot1
Environmental & Compliance
Power Supply24VDC
Power Consumption< 10W
Operating Temperature-40°C to 70°C
Operating Humidity5% to 95% RH (non-condensing)
EMC Compliance> Class 3 GB/T 13729-2019
Recommended Application
Recommended ApplicationSmall-Scale C&I EMS
BESS Controller Pro
Core Processing Hardware
ProcessorQuad-core 1.8GHz
RAM4GB
Storage16GB eMMC (SSD expandable)
Operating SystemLinux OS
Networking & Communications
LAN Ports(auto-negotiation)4 x Independent NICs (10/100/1000M)
4G LTESupported
Wi-FiSupported
Interface Capabilities
CAN Ports3
RS485 Ports8
Analog Inputs (AI)2 (Supports 4–20mA)
Digital Inputs (DI)8
Digital Outputs (DO)8 (Volt-free / Dry Contacts)
USB3 × USB 2.0
HDMI1
SD Card Slot1
Environmental & Compliance
Power Supply24VDC
Power Consumption< 15W
Operating Temperature-40°C to 70°C
Operating Humidity5% to 95% RH (non-condensing)
EMC Compliance> Class 3 GB/T 13729-2019
Recommended Application
Recommended ApplicationMW-Scale C&I Microgrid EMS
BESS Controller Lite
Core Processing Hardware
ProcessorQuad-core 1.8GHz
RAM4GB
Storage16GB eMMC + 1TB SSD
Operating SystemLinux OS
Networking & Communications
LAN Ports(auto-negotiation)6 x Independent NICs (10/100/1000M)
4G LTEN/A
Wi-FiN/A
Interface Capabilities
CAN Ports3
RS485 Ports21
Analog Inputs (AI)N/A
Digital Inputs (DI)32
Digital Outputs (DO)32 (Volt-free / Dry Contacts)
USB4 × USB 2.0
HDMI1
SD Card Slot1
Environmental & Compliance
Power Supply24VDC
Power Consumption< 15W
Operating Temperature-40°C to 70°C
Operating Humidity5% to 95% RH (non-condensing)
EMC Compliance> Class 3 GB/T 13729-2019
Recommended Application
Recommended ApplicationUtility-Scale BESS Unit Controller
BESS Controller LiteBESS Controller ProBESS Controller Pro+
Core Processing Hardware
ProcessorDual-core 800MHzQuad-core 1.8GHzQuad-core 1.8GHz
RAM512MB4GB4GB
Storage8GB eMMC16GB eMMC (SSD expandable)16GB eMMC + 1TB SSD
Operating SystemLinux OS
Networking & Communications
LAN Ports(auto-negotiation)2 x Independent NICs (10/100M)4 x Independent NICs (10/100/1000M)6 x Independent NICs (10/100/1000M)
4G LTESupportedSupportedN/A
Wi-FiSupportedSupportedN/A
Interface Capabilities
CAN Ports233
RS485 Ports8821
Analog Inputs (AI)N/A2 (Supports 4–20mA)N/A
Digital Inputs (DI)4832
Digital Outputs (DO)4 (Volt-free / Dry Contacts)8 (Volt-free / Dry Contacts)32 (Volt-free / Dry Contacts)
USB2 × USB 2.03 × USB 2.04 × USB 2.0
HDMIN/A11
SD Card Slot1
Environmental & Compliance
Power Supply24VDC
Power Consumption< 10W< 15W< 15W
Operating Temperature-40°C to 70°C
Operating Humidity5% to 95% RH (non-condensing)
EMC Compliance> Class 3 GB/T 13729-2019
Recommended Application
Recommended ApplicationSmall-Scale C&I EMSMW-Scale C&I Microgrid EMSUtility-Scale BESS Unit Controller

Quality Assurance

BESS Controller products have been tested and certified by authoritative organisations.

Product Type Testing Report

_01

Fully certified through type testing in accordance with international grid interconnection and electrical safety standards.

Electromagnetic Compatibility (EMC) Certificate

_02

Certified to withstand harsh substation environments, exceeding Class 3 EMC compliance parameters.

Product Resources

  • BESS Controller Product ManualPDFCovers the SCU Lite, SCU Pro and SCU Pro+ product line, including edge control, device coordination and technical specifications.Open PDF

BESS Controller

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