EPC Scheme of ESS station

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Schematic Diagram

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Scheme features

1. Mitigate wind and light abandonment, smooth power fluctuation, track dispatching plan, and improve grid friendliness and reliability. In addition, energy storage can cooperate with thermal power to participate in frequency modulation and obtain frequency modulation compensation;

2. Energy storage AC coupling, centralized management, easy installation and maintenance;

3. Pre assembled design, convenient for transportation and installation;

4. Integrated converter and step-up transformer, with high system efficiency and low cost;

5. IP54 protection grade, suitable for outdoor harsh environment;

6. Friendly grid adaptability, accepting grid dispatching and compensating active and reactive power;

7. A new generation of power devices is adopted to improve the conversion efficiency;

8. Complete protection measures, with the ability to actively monitor faults and protect;

9. Automatic disconnection technology of fault module to reduce system maintenance time;

10. DC side access, reducing transformation links, improving system efficiency and reducing system cost;

11. Modular parallel technology combined with intelligent sleep technology to achieve efficient energy storage transformation;

12. Support mixed access of battery packs at various levels to reduce the cost of battery use;

13. Time of use electricity price cuts the peak and fills the valley, dynamic expansion and demand side response, saving electricity charges. In addition, energy storage can assist the access of distributed power sources, providing friendly power for the grid;