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MG Energy Systems LFP Series, Manual

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MG Energy Systems B.V. | Foeke Sjoerdswei 3 | 8914 BH Leeuwarden | The Netherlands  

+31 (0)58 750 89 47 | [email protected] | www.mgenergysystems.eu 

Innovation

 in energy storage 

 

Paralleling using the Distributor LV 

Another option to parallel battery modules is to use the MG Distributor LV (MGLVDIST01001). Basically this 
DC distribution box has a positive and negative bus bar with the possibility to place fuses. Refer to the 
manual of the MG Distributor LV for more details. 

Figure 13 shows an example of paralleling battery modules using the MG Distributor LV’s. 

 

Figure 13 - Example of parallel connection with MG Distributor LV's 

 

 

Summary of Contents for LFP Series

Page 1: ...eeuwarden The Netherlands 31 0 58 750 89 47 info mgenergysystems eu www mgenergysystems eu Innovation in energy storage Lithium Ion LFP series battery module Manual MGLFP240280 MGLFP241280 LFP 280Ah M...

Page 2: ...ITY OR FITNESS FOR A PARTICULAR PURPOSE REGARDING THESE MG ENERGY SYSTEMS B V PRODUCTS AND MAKES SUCH MG ENERGY SYSTEMS B V PRODUCTS AVAILABLE SOLELY ON AN AS IS BASIS IN NO EVENT SHALL MG ENERGY SYST...

Page 3: ...on compliance risks 8 Unacceptable modes of operation 8 3 TRANSPORT STORAGE AND UNPACKING 9 3 1 Transport 9 3 2 Storage 9 3 3 Unpacking 10 Scope of delivery 10 4 GENERAL DESCRIPTION 11 4 1 Battery sys...

Page 4: ...t in sealed spaces or compartments 25 7 4 Electrical 26 Power cables 26 Parallel configuration 27 Paralleling using the Distributor LV 30 Series configuration 31 Charger 32 8 INSTALLATION 33 8 1 Insta...

Page 5: ...systems eu www mgenergysystems eu Innovation in energy storage 11 1 Limits 42 Cell voltage 42 Cell temperature charging 43 Cell temperature discharging 43 Power terminal temperature 43 Current 44 Bala...

Page 6: ...thin the operation specifications CAN bus Controller Area Network bus CAN bus is a standard serial data bus that provides data communication between two or more devices C rate C Rate the current A use...

Page 7: ...not followed in a proper manner NOTICE A potential situation which if not avoided could result in an undesirable result or state A practice not related to personal injury 2 2 User health and safety Ge...

Page 8: ...ory conflicts Working on higher voltages requires specific training and certification Instructions and training can be carried out by MG Energy Systems B V by order of the user company Non compliance...

Page 9: ...NOTICE No liability can be accepted for damage during transport if the equipment is not transported in its original packaging or if the original packaging is opened before the destination is reached...

Page 10: ...ing unpacking Use care when handling the product Leave protective caps and covers on the product until installation CAUTION Always take the local applicable standards and regulations regarding the pre...

Page 11: ...cription documents 4 2 Functional description MG s system philosophy is to have one master BMS e g a MG Master LV or MG Master HV per bank of battery modules which communicates with one or more slave...

Page 12: ...ed because of the modular design Battery modules can be placed in series and parallel to create higher voltages and larger capacities Contact MG Energy Systems B V for more information about possible...

Page 13: ...info mgenergysystems eu www mgenergysystems eu Innovation in energy storage High voltage systems High voltage systems up to 460 VDC are setup with the MG Master HV series For more information about t...

Page 14: ...p to 460 VDC please refer to chapter 12 Article number Description Remarks MGLFP240280 MG LFP Battery 25 6V 280Ah 7200Wh 24 V up to 96 V RJ45 connectors MGLFP241280 MG LFP Battery 25 6V 280Ah 7200Wh M...

Page 15: ...e 4 contains written information about the product The explanation of the symbols used on the identification label is stated in table 5 Table 5 Identification lable logo explaination Declaration of co...

Page 16: ...ng common parts Negative battery pole connection Positive battery pole connection BMS CAN bus connection either RJ45 or M12 Status LEDs 6 1 Connection overview Figure 5 LFP 280 Ah module overview Tabl...

Page 17: ...module s and master BMS The battery module uses the V to enable the power of the internal BMS The HE Series have the option to have RJ45 or M12 CAN Bus connectors RJ45 CAN bus connector details The st...

Page 18: ...positions A coded details Pin Description Connector view 1 Shield 2 V 3 GND 4 CAN H 5 CAN L Cables to be used for the battery system are typically referred to as NMEA 2000 or DeviceNet compatible cab...

Page 19: ...ections on the battery module consists of two M8 bolt connections One is the positive battery pole and one is the negative battery pole Figure 6 Battery pole connection overview Part Description A Nut...

Page 20: ...6251 MGFUSE1580300 300 A Little fuse CF8 155 0892 6301 MG000034A MG dummy fuse CF8 NOTICE A broken fuse is indicated by measuring no voltage on the battery terminals WARNING For systems with a voltag...

Page 21: ...bus connections Figure 7 Status LEDs overview Part Description E Green LED F Red LED Indication Table 6 shows the LED states and its meaning Table 9 Status indication Green LED Red LED Description On...

Page 22: ...space with respect to the battery module are as following Make sure the battery space is in accordance with the applicable rules Keep the battery string connection cables as short as possible Make sur...

Page 23: ...ay cause condensation on the battery module nor on other parts of the battery room Heat rejection Table 10 shows the heat rejection versus charge and discharge rates These values are based on a nomina...

Page 24: ...750 89 47 info mgenergysystems eu www mgenergysystems eu Innovation in energy storage Mounting considerations Mounting of the battery modules can be either done by straps or brackets Some example are...

Page 25: ...y modules in some kind of box or sealed compartment This protects the battery modules against water ingress and moisture A lid or hatch above the battery modules can collect water from condensation th...

Page 26: ...wer cables Cable lengths need to be taken into account when designing a battery system Batteries can be placed in parallel for example in 24 VDC systems or in series up to 460 VDC NOTICE Use the corre...

Page 27: ...sive high uncontrolled currents can flow between battery modules when the voltage is not equal This can damage the batteries and might lead to other damage or injury NOTICE When connecting battery mod...

Page 28: ...it possible to connect more than four battery modules to a Master LV or other DC distribution Important is that the cable lengths of the battery modules must be as equal as possible to prevent too muc...

Page 29: ...ands 31 0 58 750 89 47 info mgenergysystems eu www mgenergysystems eu Innovation in energy storage Figure 12 shows the same paralleling method but used for a 48 V system where battery modules are conn...

Page 30: ...other option to parallel battery modules is to use the MG Distributor LV MGLVDIST01001 Basically this DC distribution box has a positive and negative bus bar with the possibility to place fuses Refer...

Page 31: ...m number of modules in series per battery type Article number Description Voltage range Maximum number of modules in series MGLFP240280 MG LFP Battery 25 6V 280Ah 7200Wh 24 VDC up to 120 VDC 4 MGLFP24...

Page 32: ...ost important is that the charger can be stopped by the MG Master BMS when the batteries are fully charged Therefore the charger needs to have the ability to stop and start it remotely with a contact...

Page 33: ...operate it in a wet or dusty environment Ensure that there is always sufficient free space around the product Install the product in an environment that can sustain some heat Ensure therefore that the...

Page 34: ...8 3 Equipotential bonding connection procedure The equipotential bonding connection is located on top of the battery module next to the positive power connection as shown in chapter 6 1 Equipotential...

Page 35: ...les can be placed in series up to 460 VDC Make sure to wear proper insulation gloves Power connection procedure Below the procedure for connecting a power cable to the battery 1 Remove the nut spring...

Page 36: ...e cable lug is directly mounted to the battery pole without any washers or nuts in between NOTICE When removing the nut and washers from the battery pole it will become loose This is normal When the c...

Page 37: ...Master HV can have different connection configurations For more information about the CAN bus communication connection possibilities refer to the MG Master LV or MG Master HV manual Basic connection T...

Page 38: ...be replaced with a new fuse or with a dummy fuse WARNING When replacing the fuse with a dummy fuse then fuse for the string of batteries needs to be installed separately in the system Do not use the...

Page 39: ...a dummy fuse If the fuse is replaced with a dummy fuse then clean the dummy fuse s battery pole with a fine sanding block Recommended is to add an electrical joint compound for better conduction 4 Be...

Page 40: ...heck all power connection are tightened with 20 Nm Check all CAN bus cables are connected of the battery modules Check CAN bus termination resistors are installed if applicable Perform a charge discha...

Page 41: ...Check if all connectors are mated correctly according the instructions given in sections 0 and 8 4 of this manual Cleaning Cleaning of the device is best done using a dry or slightly damp cloth Limit...

Page 42: ...scription of the situation Action action on respond of the boundary set clear or failsafe Boundary condition contains a value that is needed for an action in combination with the time Time that the bo...

Page 43: ...Failsafe 5 C and charge current 5 battery capacity 60 sec Cell temperature discharging Table 15 Cell temperature discharging boundary limits slave BMS Name Action Boundary condition Time Over temperat...

Page 44: ...limits slave BMS Name Action Boundary condition Time Charging over current warning Set 1 0C 10 sec Clear 1 0C 10 sec Discharging over current warning Set 2 0C 1C 10 sec Clear 2 0C 1C 10 sec Balancing...

Page 45: ...onfiguration Series configuration Yes up to 4 pcs Yes up to 16 pcs Parallel configuration Yes unlimited Redundant mode Yes Using multiple Master BMSs Environmental Operating temperature charge 0 to 45...

Page 46: ...Energy Systems B V Foeke Sjoerdswei 3 8914 BH Leeuwarden The Netherlands 31 0 58 750 89 47 info mgenergysystems eu www mgenergysystems eu 12 1 Dimensions Unless otherwise mentioned all dimensions are...

Page 47: ...e Netherlands 31 0 58 750 89 47 info mgenergysystems eu www mgenergysystems eu 13 ORDERING INFORMATION This chapter describes the MG order numbers for spare service and replacement parts for the MG LF...

Page 48: ...herlands 31 0 58 750 89 47 info mgenergysystems eu www mgenergysystems eu 14 CONTACT DETAILS For specific questions please feel free to contact us MG Energy Systems B V Foeke Sjoerdswei 3 NL 8914 BH L...

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