Against the backdrop of rapid development of new energy storage systems, Ankerui has launchedDJSF1352-RNEnergy storage DC meters have become the core metering equipment for energy management in energy storage systems due to their high-precision measurement, multifunctional integration, and reliable operation characteristics. This article systematically analyzes the core value of the product from two dimensions: technological advantages and application scenarios.

1、 Analysis of Product Technical Advantages

（1） Full range high-precision measurement

DJSF1352-RNadopt16bitADCSampling chip and precision splitter to achieve DC voltage0-1000VDirect current0-200A(Can be extended to1000A）Wide range measurement, basic error≤±0.5%SatisfyIEC 62053-23International measurement standards. In±10%Maintain within the rated current range±0.2%The measurement accuracy is particularly suitable for dynamic monitoring of the charging and discharging process of energy storage batteries.

（2） Dual channel metering and harmonic analysis

The product has built-in dual DC channels, which can simultaneously measure forward and reverse electrical energy and support energy flow statistics for bidirectional energy storage systems. By using the Fourier transform algorithm, it is possible to analyze2-31The content of sub DC harmonics helps identify current distortion caused by battery pack inconsistency and provides data support for balance control.

（3） Anti interference design

In response to the strong electromagnetic environment of the energy storage system, the electric meter adopts a three-layer shielding structure: metal shell shielding, power filter circuit, and signal line twisted pair shielding. passEMCLevel 4 certification, capable of stable operation in scenarios where both frequency converters and inverters coexist, with a data packet loss rate of<0.001%.

（4） Intelligent communication function

integrationRS485（Modbus-RTU）Ethernet interface, supportingDL/T645-2007TheIEC 61850Waiting for the agreement, seamless integration of energy storage can be achievedEMSSystem. Equipped with event recording function, capable of storing200articleSOERecord, including charging and discharging start stop, overvoltage/Timestamp of key events such as overcurrent.

2、 Typical application scenarios

（1） Integrated light storage and charging system

In photovoltaics+energy storage+In the charging station scenario, the electric meter monitors the battery in real-timeSOCStatus, linkagePCSimplement'PV-storage-charging'Collaborative control. A case study of an industrial park shows that by accurately measuring the photovoltaic power generation and charging load, the system's self use rate has been increased to82%The cost of electricity per kilowatt hour has decreased0.18Yuan.

（2） Industrial and commercial energy storage power station

As the metering core of energy storage containers, the electric meter supports parallel monitoring of multiple battery clusters and can identify the differences in charging and discharging efficiency of individual battery clusters. In an energy storage project at a chemical plant, it was discovered through analysis of meter data that3The efficiency of the battery cluster is lower than the average value2.3%Timely replacement can improve the overall efficiency of the system1.7%.

（3） Microgrid energy management

In off grid microgrids, electricity meters are linked with diesel generators and wind solar complementary systems to achieve economic dispatch. By monitoring the charging and discharging power of the energy storage system in real-time, optimizing the start stop strategy of the diesel generator, and reducing fuel consumption19%The system's power supply reliability has reached99.98%.

3、 Economic and Social Value

Application data shows that,DJSF1352-RNElectric meters can reduce the measurement error of energy storage systems from traditional solutions±2%drop to±0.5%, press1MWhEnergy storage system calculation reduces annual measurement loss by approximately1.2ten thousandkWhIts modular design supports plug and play, reducing installation and debugging time compared to traditional solutions60%Reduce comprehensive operation and maintenance costs35%.