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Parameter Measurement Range: Battery Capacity: 5 - 6,000 Ah
System Voltage: 0 - 576 VDC
Cell Voltage: 2, 4, 12 Volts
Load Current:± 10,000 A
Temperature: 0 – 80°C (32 – 176°F)
Accuracy / Resolution: System Voltage: ±0.5% / 0.1 V
Load Current: ±2% / 0.1 A
Unit Voltage: ±0.5% / 0.01 V
Internal Resistance: ±2% / 0.001 mΩ
Unit Temperature: ±2% / 0.01 °
Electrolyte Level: ±2 mm (± 0.08”) above or below line
Resistance Test: Test Duration: 30 seconds per system
Test Load: Less than 2 amps per cell
Communication: TCP/IP to Proprietary Software
TCP/IP Modbus
External Alarming: Up to (13) Form C contacts
Operating Environment: Temperature: 0 – 55°C (32 – 131°F)
Humidity: 0 – 80% RH
Power Requirements: Input: 43 - 250 VDC / 110 - 220 VAC
Enclosure Specifications: NEMA 4/12/13, 20 x 20 x 6in (HxWxD), wall mount, carbon steel, ANSI 61 gray, light-textured polyester powder finish, single-door, 1/4-turn semi-flush oil-tight latch, polycarbonate window
The EE-NERC-BMS is an all-in-one battery monitoring solution designed to meet NERC Standard PRC-005-6 Table 1-4(f) “Exclusions for Protection System Station DC Supply Monitoring Devices and Systems” with no maximum maintenance interval. This table outlines that “no periodic maintenance” is required if monitoring and alarming occures for the following battery parameters: string voltage & current, cell/unit voltage, cell/connection resistance, cell & ambient temperature, electrolyte level, and ground fault status.
Implementing 24/7/365 battery monitoring alleviates the need for regularly scheduled, on-site visits to meet NERC compliance. A complete picture of battery health is available remotely for each system outfitted with monitoring; this includes alarming, reporting, and trending. The EE-NERC-BMS will ensure battery reliability while lowering the maintenance costs of critical backup battery systems.
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