scope:

This recommended practice focuses on the performance test of the electrical energy storage (EES) system in the application scenario of PV-storage-charging stations with voltage levels of 10 kV and below. The test methods and procedures of key performance indexes, such as the stored energy capacity, the roundtrip efficiency (RTE), the response time (RT ), the ramp rate (RR), and the reference signal tracking are defined based on the duty cycle derived from the operational characteristics of the EES system.

Purpose

The purpose of this recommended practice is to document performance tests for the EES system and provide references to duty cycle-based test protocols based on engineering practice experiences. Availability of this information promotes advanced applications of the energy storage technology with complex strategies and fills in the standard gaps in the application scenario of PV-storage-charging stations.