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Energy Storage System (ESS)

250KW / 750KWhess_big-150x150

 

Product Features:

Grid energy storage, peak energy saving
Power efficiency control, efficiency factor improvement
Micro-grid operation, stand alone power supply
Max. charging voltage: 876.0V
Standard voltage: 768.0VESS_pic_sm_150x150
Working voltage range: 672V~876V
Min. discharge current(0.5C) : 5x198Ah @ 100A Discharge
Avg. discharge current(0.5C) : 5x200Ah @ 100A Discharge
Min. discharge current(0.5C) : 5×111.3KWh @ 0.5C Discharge
Avg. discharge current(0.5C) : 5×127.3KWh @ 0.5C Discharge
Recharging current: Standard Recharge: 0.5C(5x100A)
Fast Recharge: 1.0C(5x200A)
Rapid Recharge: (10s): 2.0C(5x400A)
Recharging time: Standard recharge mode: 0.5C(5x100A)CC Recharge to 876.0V, then CV Recharge until charging current ≦ 0.01C(5x20A)
Standard Recharge time : 2.5hours Fast Recharge time : 1.5hours
Recharge current limitation (Temperature is defined as battery surface temperature ):
Temperature >50°C Stop charging
20°C< Temp. <50°C 0.5C(5x100A)Max
10°C< Temp. <20°C 0.2C(5x40A)Max
20°C< Temp. <50°C 0.1C(5x20A)Max
Temperature: <0°C Stop charging
Max. discharge current: 1.0C Max.(5x200A)
Discharge stopping voltage : 672V
Working temperature range:
Recharging
0°C Below, stop charging
0°C~1 0°C 0.1C Max.(5x20A)
10°C~2 3°C 0.5C Max.(5x100A)
23°C~45°C 1.0C Max.(5x200A)
45°C~50°C 0.5C Max.(5x100A)
50°C Above, stop charging
Discharge -20°C~60°C  1C(5x200A)
Factory Application Spec:
Storage temperature:  -20°C~45°C
Total battery weight: < 5x2000kg
BMS communication protocol: CAN2.0B
Internal battery balancing method: Fill-in balancing system
Dimensions (mm): 5×1375×905×2200
Cycle Life (Recharge and discharge cycle): 2000
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A123 SYSTEMS TO SUPPLY ADVANCED ENERGY STORAGE SYSTEM TO DONGFANG ELECTRIC CORPORATION

A123 SYSTEMS TO SUPPLY ADVANCED ENERGY STORAGE SYSTEM TO DONGFANG ELECTRIC CORPORATION

WALTHAM, Mass., July 26, 2011 (GLOBE NEWSWIRE) — A123 Systems, (Nasdaq:AONE) a developer and manufacturer of advanced Nanophosphatelithium ion batteries and systems, today announced a contract to supply a 500kW advanced energy storage solution to Dongfang Electric Corporation (DEC), the third largest manufacturer of wind turbines in the People’s Republic of China and the country’s largest exporter of power equipment. Expected to be installed at DEC’s manufacturing facility in Hangzhou city, China Zhejiang Province, by the end of 2011, the system is designed as a demonstration project to help DEC evaluate how advanced energy storage can address the challenges associated with the rapid growth of wind power in China.

Source: http://www.a123systems.com/b2a63ccb-9d67-41b0-996e-3ff37e41b8e9/media-room-2011-press-releases-detail.htm