High Voltage BMS 240S768V 250A 400A 500A BMS Battery Management System Lithium BMS For LFP Battery Energy Storage Systems

Battery Management Systems (BMS) are essential for ensuring the safety, reliability, and efficiency of lithium-ion batteries, with high-voltage BMS playing a particularly crucial role. They serve as an electronic oversight mechanism that oversees the battery pack by tracking cell parameters, gauging cell status, and safeguarding cells by ensuring operation within the Safe Operating Area (SOA).

BMS Configuration

Option 1:

• High Voltage BMS Main Unit: 240S768V 500A configuration * 1 set
• Battery Management Units (BMU): 15S * 16 sets
• Wiring Harness for BMUs: 15S * 16 sets
• Battery Module Composition: A series connection of 16 modules, each a 15S48V battery module, forming a 240S768V 500A system

Option 2: 

• High Voltage BMS Main Unit: 240S768V 500A configuration * 1 set
• Battery Management Units (BMU): 16S * 15 sets
• Wiring Harness for BMUs: 16S * 15 sets
• Battery Module Composition: A series connection of 15 modules, each a 16S51.2V battery module, forming a 240S768V 500A system

Option 3:

• High Voltage BMS Main Unit: 240S768V 500A configuration * 1 set
• Battery Management Units (BMU): 20S * 12 sets
• Wiring Harness for BMUs: 20S * 12 sets
• Battery Module Composition: A series connection of 12 modules, each a 20S64V battery module, forming a 240S768V 500A system

Option 4:

• High Voltage BMS Main Unit: 240S768V 500A configuration * 1 set
• Battery Management Units (BMU): 24S * 10 sets
• Wiring Harness for BMUs: 24S * 10 sets
• Battery Module Composition: A series connection of 10 modules, each a 24S76.8V battery module, forming a 240S768V 500A system

Application

• Battery Energy Storage System (BESS)
• Off-grid Energy Storage
• Data Center Backup
• Grid Frequency Regulation
• Railway or Traction Power
• LFP UPS Power Supply

Specification

• Product Name: High Voltage BMS Main Unit
• Model Number: RBMS-S20-500A768V
• Protection Method: Miniature Circuit Breaker (MCB) + Contactor
• Rated Current: 500A
• Voltage Range: 450V to 1000V
• Current Sampling Accuracy: 1.0% Full-Scale Range (FSR)
• Communication Interfaces:
  • With PCS: RS485/CAN
  • With BMU: CAN
  • With SBMS: RS485/CAN
  • For Monitoring Software/EMS: Ethernet
• Support for IAP Upgrade: Yes
• Support for HMI Display and Parameters: Yes (Optional)
• Insulation Detection Feature: Yes (Optional)
• High Voltage Power Module Support: DC Start Capability (Optional)
• Dry Contact Output: Up to 3 (Normally Open)
• Power Supply: 24VDC (18~28V)
• Power Consumption: ≤20W
• Dimensions (WHD): 5U (485*220*550) mm
• Center Tap Support: Not Available
• Net Weight: 32kg

GCE High Voltage BMS Display

• Parallel Operation of Multiple BMS Units
• Single BMS Application System

Product Features

• Diverse Communication Interfaces: Equipped with RS485, CAN, Ethernet, and dry contact I/O interfaces for connectivity with a wide range of PCS and inverters available in the market.
• HMI Display: Features a 3.5inch or 7inch display for comprehensive self-diagnostics and real-time status monitoring, providing clear system operation information at a glance.
• Intelligent Cell Balancing: Utilizes efficient passive balancing to maximize the usable capacity of the battery pack.
• Health Monitoring: Constantly monitors individual cell internal resistance and the measured capacity of the battery pack.
• Field Programmable: Allows for easy adjustment of parameters such as voltage ranges, current limits, and other settings in the field.
• Current & Voltage Protection: Safeguards the battery pack against over-charging and over-discharging, thus prolonging its cycle life.
• Thermal Management: Incorporates over-temperature and under-temperature protection with fan controls for effective cooling or heating systems.