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48V/100AH base station backup power solution

Writer: TOPAKRelease time: 2020-06-17Page View: 498

One、Background of the case

With the gradual withdrawal of lead-acid batteries from the market, the importance of mobile communications and data storage, and the future of energy tension, many companies and families will be equipped with backup batteries, with rack UPS, MPPT, independently build a small energy storage system to meet the daily needs and important data backup work.

Two、Product functions and main features
48V/100AH base station backup power solution-Shenzhen topak new energy technology CO.LTD.

1、The product has the function of over-charge, over-discharge, over-current, short-circuit, over-temperature and data reading.
2、Standard 19-inch chassis size (5U height)
3、Charge current limiting function, support multiple batteries in parallel capacity expansion
4、Charge balancing function
5、RS485/RS232 communication
6、adjustable parameter settings
7、Short circuit protection
8、Integrated serial IC
9、Voltage collection accuracy (≤5mV)
10、SOC estimation function
11、Power indicator function/LCD display function
12、Low power consumption
13、Data history abnormality record query

Three、Introduction to the overall scheme

1.Cell parameters: using a brand of high-quality 327000/6000mAh/3.2V battery cells
2.Finished product specification: TOPAK 18650-16S17P-51.2V-100Ah
3.Protective board: Intelligent protective board (RS485/RS232 protocol) with the following parameters and schematic diagram :
4.Other materials: fireproof epoxy resin version, insulating PET and other materials to isolate the welding point and between the core.
5.Assembling process: 4 modules of 32700-4S17P are used, with bracket support inside the battery and ventilation holes on the surface of the case, which has good heat dissipation effect.
6.Connector: The battery connector adopts 0.3mm special nickel strip, which connects the cells in series and parallel. It has good welding effect, firm welding, not easy to solder off and even heat dissipation when the battery has high current and good current conductivity.

Protection parameters：

No.	Target items		Factory default parameters	Whether it can be set	Note
1	Single overcharge protection	Single overcharge alarm voltage	3640mV	assignable
		Monomer overcharge protection voltage	3750mV	assignable
		Single overcharge protection delay	1S	assignable
	Single Overvoltage Protection Release	Single overcharge protection deactivation voltage	3340mV	assignable
	Single Overvoltage Protection Release	Discharge Method	Disconnect negative cut or discharge release
2	Single overdischarge protection	Single Overdischarge Alarm Voltage	2650mV	assignable
		Monoblock overdischarge protection voltage	2500mV	assignable
		Single overdischarge protection delay	1S	assignable
	Single overdischarge protection release	Single Overdischarge Protection Deactivation Voltage	2900mV	assignable
	Single overdischarge protection release	Discharge Method	Discharge Method
3	Overall overcharge protection overall	overcharge alarm voltage	57.0V	assignable
		Overall overcharge protection voltage	57.6V	assignable
		Overall overcharge protection delay	1S	assignable
	Overall overvoltage protection release	Overall Overcharge Protection Deactivation Voltage	54.6V	assignable
	Overall overvoltage protection release	Discharge Method	Disconnect negative cut or discharge release
4	Total overdischarge protection	Overall Overdischarge Alarm Voltage	46.0V	assignable
		Overall overdischarge protection voltage	43.2V	assignable
		Total overdischarge protection delay	1S	assignable
	Total Overdischarge Protection Release	Overall Overdischarge Protection Discharge Voltage	51.2V	assignable
	Total Overdischarge Protection Release	Discharge Method	Charging release
5	Charge overcurrent protection	Charging overcurrent alarm current	110A	assignable
		Charging overcurrent protection current	120A	assignable
		Charge overcurrent protection delay	4.0S	assignable
	Charging overcurrent protection disengaged	automatic release	Charger Disconnect
	Charging overcurrent protection disengaged	Discharged.	Discharge current > 1A
6	Discharge overcurrent 1 protection	Discharge overcurrent 1 alarm current	110A	assignable	Automatic recovery after 15 minutes
		Discharge overcurrent 1 protection current	120A	assignable
		Discharge overcurrent 1 protection delay	5.0S	assignable
	Discharge overcurrent 1 protection disabled	automatic release	Load Break
	Discharge overcurrent 1 protection disabled	Charging release	Charging current > 1A
7	Discharge overcurrent 2	Discharge overcurrent 2 protection current	150A	assignable	Automatic recovery after 15 minutes
	Discharge overcurrent 2	Discharge overcurrent 2 protection delay	500mS	assignable
	Discharge overcurrent 2 protection disabled	automatic release	Load Break
	Discharge overcurrent 2 protection disabled	Charging release	Charging current > 1A
8	short circuit protection	Short-circuit protection current	440A
		Short-circuit protection delay	200μS
		automatic release	Charging current >1A
		automatic release	Load removal
9	MOS high temperature protection	MOS over-temperature alarm temperature	80℃	assignable
		MOS over-temperature protection temperature	110℃	assignable
		MOS protection disarm temperature	60℃	assignable
		Charging low temperature protection temperature	0℃	assignable
		Charge low-temperature protection release temperature	5℃	assignable
		Charging high temperature protection temperature	60℃	assignable
		Charging High Temperature Protection Disarming Temperature	50℃	assignable
		Discharge low temperature protection temperature	-10℃	assignable
		Discharged low-temperature protection release temperature	-0℃	assignable
		Discharge high temperature protection temperature	65℃	assignable
		Discharge High Temperature Protection Discharge Temperature	50℃	assignable
11	Environmental temperature protection	Ambient low temperature alarm temperature	0℃	assignable
		Ambient low temperature protection temperature	-10℃	assignable
		Environmental cryoprotection release temperature	0℃	assignable
		Environmental high temperature alarm temperature	50℃	assignable
		Environmental high temperature protection temperature	65℃	assignable
		Environmental high temperature protection deactivation temperature	60℃	assignable
12	Current consumption	Operating Current	≤30mA
12	Current consumption	Sleeping Current	<100 uA
13	Balance of functions	Equalization of turn-on voltage	3500mV	assignable
13	Balance of functions	Turn on the differential pressure.	20mV	assignable
14	logbook	Recording conditions	Important information	automate
15	Capacity charging learning	opening conditions	Battery over discharge alarm or protection	automate
16	Volumetric discharge learning	opening conditions	Battery overcharge	automate
17	Factory setting	Date of Manufacture		assignable
17	Factory setting	Battery initial use time	Charge/discharge learning setup	automate
18	Capacity default setting	Full capacity setting	100AH	assignable
18	Capacity default setting	Design capacity setting	100AH	assignable

Four、 Product structure

Exploded Views

48V/100AH base station backup power solution-Shenzhen topak new energy technology CO.LTD.

Rendering of the finished product

48V/100AH base station backup power solution-Shenzhen topak new energy technology CO.LTD. ??

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