Narada NPFC Series Product Manual

Lithium battery pack

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NPFC Series

Product Manual

48NPFC100 Lithium Battery Pack

Revision: V1.0

Issued Date: September, 2024

Zhejiang Narada Power Source Co., Ltd.

East Wing, No.822 Wen'er Xi Road, Hangzhou 310030, P.R.China.

Tel: +86 571 56975980; Fax: +86 571 56975955; Website: en.naradapower.com; Email:

intl@naradapower.com

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Page 1 NPFC Series Product Manual 48NPFC100 Lithium Battery Pack Revision: V1.0 Issued Date: September, 2024 Zhejiang Narada Power Source Co., Ltd. East Wing, No.822 Wen'er Xi Road, Hangzhou 310030, P.R.China. Tel: +86 571 56975980; Fax: +86 571 56975955; Website: en.naradapower.com; Email: intl@naradapower.com...
Page 2: Table Of Contents
This manual is used to introduce the 48NPFC100 lithium battery pack. Please read this manual before installing the battery pack and follow the instructions during the installation. Content Safety operation guide for lithium batteries .................. 3 2. Product Introduction ........................4 2.1 Product Appearance ......................
Page 3: Safety Operation Guide For Lithium Batteries
1. Safety operation guide for lithium batteries Warning: 48NPFC100 is a 48V voltage DC system operated by authorized personnel only. Before Connecting After unpacking, check the products and packing list first to see if there is anything damaged or missing. Before installation, disconnect the external power supply of the battery and ensure that the battery is powered off;...
Page 4: Product Introduction
2. Product Introduction 48NPFC100 lithium battery pack is an advanced product developed according to the requirements of new backup power supply for communication operators under the new trend of communication. It has the characteristics of integration, miniaturization, light weight, intelligence, standardization and environmental protection. It can be widely used in macro base station, transmission station, indoor distribution station, integrated base station, marginal station, micro cellular station, outdoor micro station, WLAN equipment, radio frequency stretching, distributed power supply and other communication fields.
Page 5: Working Principle And Working State Of The Product
Small size, light weight, greatly reduce the station floor area and reduce the building floor bearing requirements. Modular design, according to the actual need of multiple parallel to expand capacity Support high-rate charge and discharge, high efficiency, to achieve small capacity configuration to achieve large current discharge.
Page 6 Schematic diagram of product system： Work Diagram...
Page 7: This Section Describes The Chassis Panel
2.4 This section describes the chassis panel Panel interface description： SOC: SOC is short for state of charge. There are four green LED lights in front panel indicating SOC. Each SOC LED light represents 25% of rated capacity...
Page 8 ALM: There is one red LED light in front panel indicating alarms. RUN: There is one green LED light in front panel indicate the running status. Flash Introduction of LED indicator for Alarm LED and RUN LED ADD Dipswitch: ADD is applicable to modules connected in parallel. ADD consists of six binary bits.
Page 9 RS232: RS232 communication port just for software upgrade now. RS485: It is adopting RS485 series port communication pattern to upload data. Contents of data transmit include BMS parameters, battery running status, alarms, etc. Communication of modules connected in parallel is available through RS485.
Page 10: Product Technical Parameters
Basic Parameters： Specifications 48NPFC100 Type of battery Laminated lithium iron phosphate/LFP battery Nominal Voltage Nominal Capacity 100Ah Nominal energy 4800Wh Cell Specification 3.2V/100Ah Cell model FE100A Cell shell Prismatic, Aluminum case Cell Manufacturer Zhejiang Narada Power Source Co., Ltd...
Page 11: Specifications
Specifications 48NPFC100 Battery pack manufacturer Zhejiang Narada Power Source Co., Ltd Origin Hangzhou, Zhejiang 15 single cells + BMS + Rack or iron frame general Combination purpose chassis Battery pack Size Width 442.5 × Depth 441 × Height 133(mm) Weight 39.0Kg±2%...
Page 12 Specifications 48NPFC100 Cell overvoltage protection 3.65V Cell overvoltage protection recovery 3.35V Cell overvoltage detection delay time 500ms-3000ms Charge overcurrent detection delay time 500ms-2500ms Pack overvoltage alarm 54.5V Pack overvoltage alarm recovery 53.2V Pack overvoltage protection Pack overvoltage protection recovery 50.2V Pack overvoltage detection delay time 500ms-2500ms Discharge technical parameters：...
Page 13 Other technical parameters Specifications 48NPFC100 Equalized open voltage 3.34V Balanced open voltage difference 30mV equalized current 40-100mA Short circuit protection current 360-400A Short circuit protection delay ≤500us Short circuit protection recovery mode Load disconnected, or charge recovery BMS operating current ≤40mA BMS sleep current ≤500μA...
Page 14: Product Installation
Batteries shall be placed in are with clean ambient and low humidity. Heavy weight shall not be placed on any cable. Ensure that the communication protocols of the rectifier and battery match. Narada will not be responsible for the debugging failure caused by the mismatch of communication protocols.
Page 15: Equipment And Tools
3.1 Equipment and tools The following equipment and tools are required to install the product： laptop screwdriver screwdriver wire stripper crimping pliers multimeter clamp meter diagonal pliers insulated rubber tape steel tap Note： Use appropriate insulation tools to prevent accidental electric shock or short circuit. If no insulating tool is available, use insulating tape to cover the entire exposed metal surface of the existing tool except the end.
Page 16: Clean
3.4 Standard cabinet installation and parallel connection method Battery modules of NPFC series are applicable to installation in cabinets and wall- hanging. Insert battery module into cabinet, and ﬁx two handles of battery module with cabinet...
Page 17 Wall-hanging installation also can be adopted, ﬁx two handles of battery module with triangle rack on the wall using 4pcs M6 screws. Schematic diagram of 48NPFC100 wiring bar： Connect earth by ﬂexible cable above GREEN-YELLOW Sheathed, UL94-V0, gauge of the grounding wire should be equal to or greater than the gauge of the battery return wire, .no less than 6AWG, connection through 2-hole 0.75 in center spacing, on right side of cabinet back.
Page 18 When installation is accomplished, battery module is in dormant state. Once power on for the power plant and battery module, battery will go into normal running status, and discharge/charge can be available. If there is only one battery module in operation, communication between battery module and computer can be available through RS485.
Page 19: Application
4. Application 4.1 Application steps After the product is installed, turn on the "Switch" on the front panel, and the product will enter the standby working state. The operation light flashes and the capacity light indicates the remaining capacity. When the communication switching power supply is loaded, the battery enters the charging working state, the running light is always on, and the capacity light indicates the current capacity;...
Page 20: Charging
c. Access the communication line and start the upper computer software (because the over discharge protection enters the sleep state, this method cannot wake up the protection board); Remarks: after single or overall, over discharge protection, enter the low power consumption mode, wake up regularly every 4 hours, and turn on the charge discharge MOS.
Page 21 level relative to the cell to turn on the equalization MOS, release the power of the cell cell n + 1 through the equalization resistance, slow down the charging speed of the cell ln + 1 and balance the voltage of each section. Since the system adopts the passive power consumption equalization mode, considering the system reliability, the number of equalization cells and intermittent equalization on mode are adopted.
Page 22: Product Storage Record Function
is turned off. If the output current of the switching power supply is lower than the current limiting value, the charge is charged according to the output current of the switching power supply; if the output current of the switching power supply is higher than the current limiting value, the charge process is charged according to the current limiting value.
Page 23: Product Monitor Functions
EXCEL export data screenshot The number of charge/discharge cycles is calculated according to the following algorithm: ① The lithium battery pack has a cycle from over-discharge protection to over-charge protection; ② When the discharge power of the lithium battery pack reaches 80% of the nominal capacity, it is a cycle;...
Page 24: Safety Protection And Alarm Function
4.6 Safety protection and Alarm function The safety protection function is divided into two forms: active protection (software protection) and passive protection (hardware protection), and the safety protection and recovery parameters can be set in the upper computer, which means, they have certain redundancy.
Page 25 4) Low voltage protection and recovery function of single battery The battery pack has the function of protection and recovery of low voltage of single battery. When cell voltage reaches the set value of low voltage alarm during discharge, BMS considers that the low voltage alarm state of single battery occurs and alarms, but does not affect the normal discharge function;...
Page 26 When the charging current drops to the recovery value of charging overcurrent protection, BMS considers that charge state of the limited current has been released and the battery pack should return to the normal charging working state. This function can be set to close and open through the upper computer software.
Page 27: Maintenance
5. Maintenance 5.1 Handling and placement The operation must be carried out by qualified and authorized personnel. Due to the heavy weight of the battery system, please handle with care 5.2 Common faults and Solutions Troubles Troubleshooting Solutions Protection against under- System failure voltage Protection against over-...
Page 28: Routine Maintenance
5.3 routine maintenance Danger: battery maintenance must be performed by qualified and authorized personnel. Danger: some maintenance items must shut down the system at the beginning The battery shall be recharged every three months if in long time storage. Please clean the dust by the dust collector when dust is accumulated on vent. Please use clean and dry cloth/fabric to clean up the cabinet, if need further cleaning, please use neutral cleanser.
Page 29: Packing List
Model 48NPFC100 （15S） Nominal Capacity/Voltage 100AH/48V Boost Charge Voltage 53.5V Charge Current Limit Full Charge Voltage 54.0V Max. Work Current 100A Manufacturer NARADA 6.2 Packing list Product Specifications Unit Quantity Lithium Battery 48V100Ah Product Manual copy Certificate copy Cabinet screws Module to module 0.7m...

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