Low Voltage Energy Storage System

Further Information on Low Voltage Energy Storage System

• Specification

  No.	Item	Technical Requirement	Unit	Remarks
  AC Output (Device to Grid)
  1	Rated AC Output Power	16	kW
  2	Maximum AC Output Power	32	kVA	2x power for 5s
  3	Rated AC Output Voltage	120/208	Vac	Single-phase/Three-phase, L-N/L-L
  4	Rated AC Output Current	66.6/44.5	A	Single-phase/Three-phase, L-N/L-L
  5	Rated Output Frequency	50/60	Hz	Default 60Hz
  AC Input (Grid to Device)
  1	Rated AC Input Voltage	120/208	Vac	Three-phase, L-N/L-L
  2	Rated AC Input Voltage Range	90~140	Vac	Grid/Generator, L-N
  		156V~243V	Vac	Grid, L-L
  3	Maximum Rated AC Input Current	200	A	Bypass mode, grid side to UPS load side
  Battery Side Parameters
  1	Battery Type	LFP	/
  2	Rated Capacity	100	Ah
  3	System Capacity	80/75/70/65/60/55/50/45/40/35/30/25/20	kWh
  4	Rated DC Voltage	51.2	Vdc	Battery side
  5	DC Voltage Range	49.6~56.0	Vdc	DC side, 1P16S, 90% DOD
  6	Rated DC Current	19.5/20.8/22.3/24/26/28.4/31.2/34.7/44.6/50/50/50/50	A	Current per PACK (Max 50A)
  7	Cluster Maximum Charging Current	330	A	When grid and generator charge the battery simultaneously
  8	PACK Maximum Charging Current	50	A
  9	PACK Maximum Discharging Current	50	A
  10	Cell Cycle Life	≥6000	times	Room temperature 25℃, 90% DOD, 0.5C charge/discharge, remaining capacity(EOL) ≥70%
  11	Balancing Strategy	Passive Balancing	/	<100mA
  PV Side Parameters
  1	Number of MPPTs	3	/
  2	Number of Input Strings per MPPT	2	/
  3	MPPT Voltage Range	120~500	Vdc
  4	Maximum Open Circuit Voltage	600	Vdc
  5	Maximum PV Power	25.6	kW	3 MPPTs, each MPPT 8.53kW
  6	Maximum Input Current	40	A	Per MPPT
  Other Device Parameters
  1	Device Maximum Efficiency	97.50%	/	DC to AC inverter efficiency
  2	CEC Maximum Efficiency	97%	/	This efficiency is the primary reference
  3	Operating Ambient Temperature	0℃~40℃	/	Charging Temperature: 10℃~40℃
  				Discharging Temperature: 0℃~40℃
  				Recommended Temperature: 10℃~35℃
  4	Cooling Method	Natural Cooling	/
  5	Fire Protection Method	None	/
  6	Three-Rack Weight	260/480	kg	Inverter Rack / 8PACK Battery Rack
  7	Single-Rack Weight	645/465	kg	8PACK / 4PACK
  8	Battery Rack Dimensions (WDH)	650*530*1500	mm	Three-Rack
  9	Power Distribution Rack Dimensions (WDH)	885*744*1500	mm	Three-Rack
  10	Single-Rack Dimensions (WDH)	885*744*2380	mm	Single-Rack
  11	Protection Level	Whole unit IP20	/	PCS Protection Level - IP65, EBOX Protection Level - IP20
  12	Anti-corrosion Level	C3-M	/	Stainless steel plate + weather-resistant topcoat
  13	Communication Method	485/WIFI/CAN	/	485 and WIFI use Modbus protocol
  14	Communication Protocol	MODBUS	/

  
  

  No.	Item	Technical Requirement	Unit	Remarks
  AC Output (Device to Grid)
  1	Rated AC Output Power	12	kW
  2	Maximum AC Output Power	18	kVA	1.5x power for 10s
  3	Rated AC Output Voltage	120/240	Vac	Single-phase/Split-phase, L-N/L-L
  4	Rated AC Output Current	62.5/50	A	Single-phase/Split-phase, L-N/L-L
  5	Rated Output Frequency	50/60	Hz	Default 60Hz
  AC Input (Grid to Device)
  1	Rated AC Input Voltage	120/240	Vac	Single-phase/Split-phase, L-N/L-L
  2	Rated AC Input Voltage Range	90~140	Vac	Grid/Generator, L-N
  3	Maximum Rated AC Input Current	200	A	Bypass mode, grid side to UPS load side
  Battery Side Parameters
  1	Battery Type	LFP	/
  2	Rated Capacity	100	Ah
  3	System Capacity	80/75/70/65/60/55/50/45/40/35/30/25/20	kWh
  4	Rated DC Voltage	51.2	Vdc	Battery side
  5	DC Voltage Range	49.6~56.0	Vdc	DC side, 1P16S, 90% DOD
  6	Rated DC Current	14.6/15.6/16.7/18/19.5/21.3/23.4/26/29.3/33.5/39/46.9/50	A	Current per PACK (Max 50A)
  7	Cluster Maximum Charging Current	240	A	When grid and generator charge the battery simultaneously
  8	PACK Maximum Charging Current	50	A
  9	PACK Maximum Discharging Current	50	A
  10	Cell Cycle Life	≥6000	times	Room temperature 25℃, 90% DOD, 0.5C charge/discharge, remaining capacity(EOL) ≥70%
  11	Balancing Strategy	Passive Balancing	/	<100mA
  PV Side Parameters
  1	Number of MPPTs	2	/
  2	Number of Input Strings per MPPT	2	/
  3	MPPT Voltage Range	125~450	Vdc
  4	Maximum Open Circuit Voltage	550	Vdc
  5	Maximum PV Power	18	kW	2 MPPTs, each MPPT 9kW
  6	Maximum Input Current	32	A	Per MPPT
  Other Device Parameters
  1	Device Maximum Efficiency	97.50%	/	DC to AC inverter efficiency
  2	CEC Maximum Efficiency	96.50%	/	This efficiency is the primary reference
  3	Operating Ambient Temperature	0℃~40℃	/	Charging Temperature: 10℃~40℃
  				Discharging Temperature: 0℃~40℃
  				Recommended Temperature: 10℃~35℃
  4	Cooling Method	Natural Cooling	/
  5	Fire Protection Method	None	/
  6	Three-Rack Weight	245/480	kg	Inverter Rack / 12PACK Battery Rack
  7	Single-Rack Weight	630/450	kg	8PACK / 4PACK
  8	Battery Rack Dimensions (WDH)	650*530*1500	mm	Three-Rack
  9	Power Distribution Rack Dimensions (WDH)	885*715.5*1500	mm	Three-Rack
  10	Single-Rack Dimensions (WDH)	885*715.5*2380	mm	Single-Rack
  11	Protection Level	Whole unit IP20	/	PCS Protection Level - IP65, EBOX Protection Level - IP20
  12	Anti-corrosion Level	C3-M	/	Stainless steel plate + weather-resistant topcoat
  13	Communication Method	485/WIFI/CAN	/	485 and WIFI use Modbus protocol
  14	Communication Protocol	MODBUS	/