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All-vanadium Liquid Flow Energy Storage System

The intelligent temperature control system installed in the energy storage product can meet the requirements of operation within the temperature range of -20℃ - 55℃, in areas with elevation below 2,000 m, and in severe environments such as deserts and polar regions. The system is of modular design, and the power unit of a single stack can be expanded to 500kW, meeting the demand for megawatt-class power storage systems by parallel connection of multiple stacks.

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Product Details

Product Introduction

Having the advantages of intrinsic safety and independent design of system power and capacity, the all-vanadium liquid flow energy storage system can be applied to scenarios of special demand, such as remote well sites, and can meet the long-term energy storage demand for more than 4 h. Therefore, it has significant technical advantages in the construction of zero-carbon well sites in oil fields. The whole product is of container type, facilitating management, and operation and maintenance. The system features low self-discharge performance and low capacity attenuation rate, and the comprehensive efficiency can reach over 70%.

Technical Parameters

Parameters of energy storage system	125kW/500kWh	500kW power module	1MW/4MWh
Rated power	125kW	500kW	1MW
Voltage range	3240~372V	312V~498	623V~996
Single stack power	32kW	42kW	42kW
DC system efficiency	≥80%	≥80%	≥80%
Operating ambient temperature	-20℃~40℃	-20℃~55℃	-20℃~55℃
Nominal capacity	500kWh	1 - 5MWh (flexible design)	4MWh
Maximum current	512A	1603A	1603A
Number of stacks	4	12	24
Comprehensive system efficiency	≥70%	≥70%	≥70%
Operating ambient humidity	5%~95%RH	5%~95%RH	5%~95%RH

Applicable Scenarios

Power grid: the system can be used for peak shaving, frequency modulation, new energy grid-connected and standby power supply; industrial and commercial energy storage: it is used for “peak shaving and valley filling” of the power consumption to achieve peak-valley arbitrage; microgrid power supply of remote or isolated island; distributed energy storage system: it integrates wind and solar energy storage, and is used for the construction of zero-carbon well sites, communities or standby power supplies.

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