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Chapter

Block diagram of BMS

BMS

Module

(+)

(−)

(+)

Cell voltage

Charge FET

Discharge FET

Dry contact

Communication

ports

Fan

(optional)

Pre-Charge

sensing

Temperature

sensing

The pre-charge circuit operates to avoid inrush current with these models:

• EM048063P3S2

• EM048063P3S4
• EM048063P3S5

• EM048126P3S7

• EM048126P3S8

The discharge path is capable of withstanding 70 W with the resistance of 60 Ω.

Содержание EM048063P3S

Страница 1: ...48 V Standalone Battery Module Service Manual ...

Страница 2: ...Chem immediately for advice and clarification The information included in this manual is accurate at the time of publication How ever the product specifications are subject to change without prior notice In addi tion the illustrations in this manual are meant to help explain system configuration concepts The illustrated items may differ from the actual items at the installation location NOTE The b...

Страница 3: ...emperature abnormality 10 1 4 1 Too high battery temperature 10 1 4 2 Too low battery temperature 10 1 4 3 Too large temperature difference inside battery module 10 1 5 Lost communication 11 1 5 1 Lost communication between battery modules 11 1 5 2 Lost communication with the higher level system 11 1 6 State of charge 12 1 6 1 Too low SOC 12 1 6 2 Too high SOC 12 2 Replacements 13 2 1 Hot swapping...

Страница 4: ...is properly configured in accordance with the diagnosis tables in this manual so that it can limit the amount of charge or dis charge current in an abnormal state to avoid failure There are three levels of alerts Warning When a battery module is likely to become unstable it goes into a warning state This state is cleared when the module recovers its normal condition Fault 1 When a battery module i...

Страница 5: ...he highest cell voltage is higher than the fault 1 level tolerance limit 2 The lowest cell voltage is lower than the fault 1 level tolerance limit 3 A current more than the fault 1 level tolerance limit is charged 4 A current more than the fault 1 level tolerance limit is discharged 5 A power more than the fault 1 level tolerance limit is charged 6 A power more than the fault 1 level tolerance lim...

Страница 6: ...than the fault 2 level tolerance limit is discharged 5 A power more than the fault 2 level tolerance limit is charged 6 A power more than the fault 2 level tolerance limit is discharged 7 The battery temperature is higher than the fault 2 level tolerance limit 8 The battery temperature is lower than the fault 2 level tolerance limit 9 The battery voltage is lower than the tolerance limit 10 The ha...

Страница 7: ...e Indicators Alert Level Alert condition Charge limit Discharge limit Release condition Warning 2 8 V for 3 s 100 0 3 0 V for 3 s Fault 1 2 6 V for 3 s 100 0 2 8 V for 3 s Fault 2 2 4 V for 3 s 0 0 The lowest cell voltage is lower than the tolerance limit At the fault 1 state try these steps 1 Check the conditions of the battery module using any available method 2 Manipulate the higher level syste...

Страница 8: ... ESS when the red indicator turns off If the problem persists contact LG Chem for technical assistance 1 3 Current abnormality 1 3 1 Over charged current Indicators Alert Level Alert condition Charge limit Discharge limit Release condition Warning 68 8 A for 3 s 0 100 66 1 A for 3 s Fault 1 71 4 A for 3 s 0 100 68 8 A for 3 s Fault 2 74 1 A for 3 s 0 0 A current more than the tolerance limit is ch...

Страница 9: ...al models including EM048063P3S2 and EM048126P3S7 at the fault 1 state try these steps 1 Check the conditions of the battery module using any available method 2 Make sure that the higher level system is properly configured not to exceed the maximum charge power of the battery module 1 3 4 Over discharged power Indicators Alert Level Alert condition Charge limit Discharge limit Release condition Wa...

Страница 10: ... LG Chem for technical assistance 1 4 2 Too low battery temperature Indicators Alert Level Alert condition Charge limit Discharge limit Release condition Warning 12 0 C for 3 s 50 50 10 0 C for 3 s Fault 1 15 0 C for 3 s 0 0 12 0 C for 3 s Fault 2 20 0 C for 3 s 0 0 The battery temperature is lower than the tolerance limit At the fault 1 state try these steps 1 Check the conditions of the battery ...

Страница 11: ...Resumed for 1 s Fault 2 Lost communication for 50 s 0 0 Communication with other battery modules is lost for longer than the tolerance limit 1 Check the conditions of the battery module using any available method 2 Deactivate the ESS 3 Make sure that the intra rack communication cables are properly connected be tween the battery modules 4 Re activate the ESS 1 5 2 Lost communication with the highe...

Страница 12: ...her level system to charge the ESS with a current less than or equal to 63 A until the SOC is higher than or equal to 3 1 6 2 Too high SOC Indicators Alert Level Alert condition Charge limit Discharge limit Release condition Warning 99 0 for 10 s 50 100 98 0 for 10 s The SOC is higher than the tolerance limit 1 Check the blue indicators to see the SOC 2 Manipulate the higher level system to discha...

Страница 13: ...ndicator turns on a few seconds later 2 Press and hold the On Off button for longer than 5 seconds While the button is pressed the blue indicators show the last digit of the model number in binary form 2 1 2 Replacing a battery module NOTE Hot swapping is permitted only with EM048063P3S1 and EM048126P3S6 models Replace a faulty battery module only when less than 1 A of current flows into or out of...

Страница 14: ...e brackets 6 Connect the communication cables to the new module 7 Press the On Off button on the module to activate it If some of the blue indicators flash the module is the wrong model See Identifying model number on page 13 8 Connect the power cables to the module CAUTION Do not replace two or more battery modules simultaneously Replace modules one by one repeating this replacement procedure 2 2...

Страница 15: ...use is blown insert a new fuse into the fuse holder 10 Reassemble in the reverse order of the disas sembly procedure 2 3 Expanding the ESS To expand the ESS by adding more battery modules follow these steps 1 Press and hold the On Off button on the master module for longer than 5 seconds to deactivate the ESS 2 Shut off the higher level system 3 Install new battery modules in the rack 4 Re activat...

Страница 16: ...modules follow these steps 1 Press and hold the On Off button on the master module for longer than 5 seconds to deactivate the ESS 2 Shut off the higher level system 3 Remove the unwanted battery modules 4 Re activate the ESS CAUTION Never fail to keep this sequence unchanged 16 ...

Страница 17: ...s 120 A when six modules are installed the maximum current during hot swapping is 30 A 120 A 6 2 30 A Use the following formula to determine how many faulty modules can be replaced at a time The number of hot swappable modules the number of modules installed the higher level system s current 63 A All the decimal places should be removed from the result without rounding For example if two modules a...

Страница 18: ...uring hot swapping A The number of replaceable modules 60 60 3 70 35 2 80 40 2 90 45 2 100 50 2 110 55 2 120 60 2 130 43 3 1 140 46 7 1 150 50 1 160 53 3 1 170 56 7 1 180 60 1 190 63 3 0 In case of 6 battery modules Higher level system current A The maximum current during hot swapping A The number of replaceable modules 60 60 5 70 35 4 80 40 4 90 45 4 100 50 4 110 55 4 120 60 4 130 43 3 3 140 56 7...

Страница 19: ...rent A The maximum current during hot swapping A The number of replaceable modules 60 60 7 70 35 6 80 40 6 90 45 6 100 50 6 110 55 6 120 60 6 130 43 3 5 140 46 7 5 150 50 5 160 53 3 5 170 56 7 5 180 60 5 190 47 5 4 200 50 4 210 52 5 4 220 55 4 230 57 5 4 240 60 4 250 62 5 4 260 52 3 270 54 3 280 56 3 290 58 3 300 60 3 310 62 3 320 53 3 2 330 55 2 340 56 7 2 350 58 3 2 360 60 2 19 ...

Страница 20: ...ximum current during hot swapping A The number of replaceable modules 60 60 9 70 35 8 80 40 8 90 45 8 100 50 8 110 55 8 120 60 8 130 43 3 7 140 46 7 7 150 50 7 160 53 3 7 170 56 7 7 180 60 7 190 47 5 6 200 50 6 210 52 5 6 220 55 6 230 57 5 6 240 60 6 250 62 5 6 260 52 5 270 54 5 280 56 5 290 58 5 300 60 5 310 62 5 320 53 3 4 330 55 4 340 56 7 4 350 58 3 5 360 60 4 370 61 7 4 380 54 3 3 20 ...

Страница 21: ...t Swapping 390 55 7 3 400 57 1 3 410 58 6 3 420 60 3 430 61 4 3 440 62 9 3 450 56 3 2 460 57 5 2 470 58 8 2 480 60 2 490 61 3 2 500 62 5 2 510 56 7 1 520 57 8 1 530 58 9 1 540 60 1 550 61 1 1 560 62 2 1 570 63 3 0 21 ...

Страница 22: ... Communication ports Fan optional Pre Charge sensing Temperature sensing The pre charge circuit operates to avoid inrush current with these models EM048063P3S2 EM048063P3S4 EM048063P3S5 EM048126P3S7 EM048126P3S8 The discharge path is capable of withstanding 70 W with the resistance of 60 Ω 22 ...

Страница 23: ...Keep this manual for later use 2017 LG Chem LG Twin Towers 128 Yeoui daero Yeongdeungpo gu Seoul 07336 Korea ...

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