1. Product specifications

1 1 bess container overview each bess 20c1600k is assembled in one 20 feet container model ac power (kw) capacity (kwh) size (w×d×h) mm weight 20c1600k 1,600 3,086 6,058 2,438 2,896 mm ＜31t 1 2 bess container architecture the bess container has a modular architecture with \ liquid cooled battery packs made with lfp cells and a battery management unit (bmu) \ battery strings with a string controller (cmu) \ separate ac/dc inverters (pcs) for each battery string \ liquid temperature control system and hvac dehumidifier \ firefighting system, auxiliary power \ bess controller (gpc) to handle safety, automatic operation and data and control communication with external bess and ems scada the 20c1600k system uses a customized container with a stronger load bearing case and reinforcement steel frames in the middle while maintaining the same dimensions as a 20ft hc container anti corrosion materials are used for the paint of the container shell to improve the anti corrosion performance of the container before delivery, the container can be painted with patterns and logo according to requirements from the buyer the shell interlayer is installed with 50mm thermal insulation rock wool to improve the thermal insulation performance of the system in the battery compartment, there are battery strings, liquid cooling unit, air conditioners for dehumidification and cable slots, etc battery strings are installed on both sides of the battery container, lighting, thermal sensors, smoke sensors, firefighting pipe and other equipment are installed above the side aisle in the electrical compartment, there are pcs, gpc, firefighting control system, power distribution system ，air conditioner and auxiliary power supply 1 3 system architecture 1 4 system main technical specifications ac side nominal capacity 1,600kw/3,086kwh rated ac output power 1,600kw max ac output power 1,760kva rated output voltage 690v output voltage range 586 5 759vac (optional) rated frequency 50/60hz rated output current 8×167 3aac adjustable power factor 0 1 1 leading or lagging (controllable) thdi <1 5% (at rated power) max efficiency 98 7% output wiring 3 phase 3 wire dc side rated voltage 1,228 8vdc lower voltage limit 1,075 2vdc upper voltage limit 1,363 2vdc rated current 8 162 7a battery cell capacity 314ah battery cell qty 3,072 battery pack qty 64 pack 8 parallel and 48 series actual capacity 3086kwh general bess container dimensions (wxdxh mm) w6,058xd2,438xh2,896mm bess weight 31t ip protection ip54 operating temperature range normal 20 40℃maximum 35 45℃ relative humidity 0 95% (non condensing) max working altitude 2,000m/6,562ft bess cooling liquid cooling & air conditioner control system communication local controller gateway, ethernet certifications ul9540, iec62619, en 50549 2, iec 61000 2& 4, iec 62477, ul 1973, en50549 2, ieee 1547, fcc, un3536 1 5 bess container key features − 314 ah lfp cells from eve, one of the world’s largest suppliers of lfp cells for ess rated for 10,000 full cycles at 70% of initial capacity at 0 5p 25°c − ac/dc all in one integrated design in one 20’ container, 1500vdc platform − high efficiency string pcs − active balancing bms, pack and rack level optimization design − compact design, one 20’ container provides more energy but smaller size to save space − 100% pre installed, plug play upon delivery − fat and commissioning done before shipping − <31t total weight allows most kind of transportations and liftings − 690vac output ready to connect grid through additional step up transformer c5m corrosion classification as per iso12944 for use in harsh weather and coastal areas 1 6 main components list i battery system name model specs qty battery module lp47 dc1500v including 48 battery cells, active balancing bmu, 48 voltage sensors, 32 module temperature sensors, 2 pole temperature sensors 780(w) 1096(d) 238 5(h)mm 64 battery string ls376 lp47 string assembly for 8 battery modules and 1 hvu862(w)×1,100(d)×2,228(h)mm 8 ii electrical control and distribution system name model specs qty dc high voltage unit (hvu) 1500v active balancing version, including dc molded case circuit breaker, dc contactor, fuse, battery management unit (cmu), sensor, etc 8 bess controller 625(w) x500(d) x950(h)mm, including 1 set of plc control system, hmi, auxiliary power module, industrial switch socket, terminal block, etc 1 distribution box db 1000(w) x400(d) x1000(h), includes 8 sets of ac plastic case circuit breaker, three phase bus bar, power switch of secondary equipment, communication terminal of reserved function, etc db also has reserved terminals for communication, control and external 220vac ups power supply 1 iii container and auxiliary system name model specs qty 20ft teu container 20 foot (6,058(w) x 2,438(d) x 2,896(h) mm) standard container, 50 mm insulation, including reinforced steel 1 auxiliary power transformer rated capacity is 50kva, primary side voltage is 690v, and secondary side voltage is 400v; auxiliary transformers provide electrical power for gpc, ffs, hvac systems and lighting systems note auxiliary power transformer is inside the mv transformer container 1 liquid cooling 40kw effective cooling power, with dehumidification, support for self start and remote control, integrated enclosure design, protection grade ip55 1 fire fighting system including gas cylinder, solenoid valve, release pipe, nozzle, hydrogen, carbon monoxide detector, smoke, temperature detector, gas fire extinguishing controller, acoustic optic alarm device, emergency start / stop button, etc pr essure balancer (pressure relief), air inlet fan, fire exhaust fan, and emergency stop button, fire extinguishing agent can use fm 200 or fk 5 1 12 storz coupling, installed on the side wall of the container battery room for fire trucks to allow flooding container 1 iv power conversion system name model specs qty modular power conversion system 200kw module converter, ac 690vac output with ac/dc plug, communication harness, waterproof lock and aviation plug 8 1 7 operating environment maximum operating temperature 35～+45℃; storage temperature 30～+55℃ (short term storage 1 month), 0℃ 35℃ (long term storage 1 year) relative humidity no more than 95%, non condensing; no explosive media shall be allowed in the place of use; no strong acid or alkali and other highly polluting substances that can be adhered to or inhaled by the equipment shall be allowed in the place of use; the container must be horizontally installed on a hardened foundation, with cable slots on the ground for easy routing; do not install the equipment in low lying areas to avoid flooding; the container must be placed in a well ventilated area no obstacles are allowed within 300mm of the air inlet and outlet the area around the equipment should be protected according to local requirements to prevent non professional personnel access lightning protection measures should be placed around the equipment according to local or international standards and lightning protection requirements of the building or power plant equipment 1 8 electromagnetic characteristics test certification level electrostatic immunity test en 61000 4 2, level 3 radiation immunity test en 61000 4 3, level 3 electrical fast transient pulse group disturbance resistance test en 61000 4 4, level 4 surge immunity test(1 2/50μs) en 61000 4 5, level 3 conducted radio frequency interference test en 55022, class b radiated radio frequency interference test en 55022, class b harmonic current emission limit en 61000 3 2, class a 1 9 main circuit diagram the system topology is shown in the figure below (the gray dotted box is the standard supply scope of supplier) figure 1 2 system main circuit diagram figure 1 3 electrical schematic diagram 1 10 certifications the 20c1600k is fully certified according to ul and ce latest safety standards and thermal runaway tested as per ul9540a ul9540 certified ul9540a thermal runaway tested ul1973 certified iec 62619 certified ce lvd and ce emc ul1741, iec 62477, en 50549 1& 2, lvd for pcs un38 3, un3536, etc fingrid sjv2019 certified by tuv for pcs