Standard No.:	GB/T 40090-2021
English Name:	Code for operation and maintenance of energy storage station
Chinese Name:	储能电站运行维护规程
Chinese Classification:	F19    New energy and others
Professional Classification:	GB    National Standard
Source Content Issued by:	SAMR; SAC
Issued on:	2021-04-30
Implemented on:	2021-11-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	8000 words
Translation Price(USD):	240.0
Delivery:	via email in 1 business day

Code for operation and maintenance of energy storage station 1 Scope This standard specifies the technical requirements for the normal operation, abnormal operation and fault treatment, maintenance and other processes of energy storage station. This standard is applicable to large- and medium-sized electrochemical energy storage stations, but may also serve as a reference for energy storage stations of other types and sizes. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB 26860 Safety code of electric power industry - Electric part of power plants and transformer substations GB/T 31464 The grid operation code GB/T 36547 Technical rule for electrochemical energy storage system connected to power grid GB/T 36549 Operation performance index and evaluation of electrochemical energy storage station GB/T 36558 General technical requirements for electrochemical energy storage system in power system GB 38755 Code on security and stability for power system GB 51048 Design code for electrochemical energy storage station DL/T 516 Code for operation and administration of power dispatching automation system DL/T 544 Operation management code for power system telecommunication DL/T 969 Guideline of substation operation 3 Terms and definitions For the purposes of this document, the following terms and definitions apply.   3.1 electrochemical energy storage station; EESS station, with the electrochemical cell as an energy storage element, capable of power storage, conversion and discharge, which consists of several different or the same type of electrochemical energy storage systems Note: Besides the energy storage system, it also includes grid-connected facility and facilities for maintenance, overhaul, etc. 3.2 electrochemical energy storage system; ESS a combination of equipment that employs electrochemical cells as the energy storage carrier, and achieves cyclic electrical energy storage and discharge through a power conversion system 3.3 electrochemical energy storage unit; ESU a minimal energy storage system consisting of an electrochemical cell, a battery management system and a power conversion system, capable of storing and discharging electrical energy independently 4 Basic requirements 4.1 Before being put into operation, the energy storage station shall pass the grid-connected debugging and acceptance, its design shall meet the requirements of GB 51048, access to the grid shall meet the requirements of GB/T 36547, and the power station equipment shall meet the requirements of GB/T 36558. 4.2 For energy storage station connected to utility grid with a voltage class of 10(6)kV or above, the concerned unit shall sign a grid-connected dispatching agreement with the grid dispatching agency, and the grid-connected dispatching agreement shall meet the requirements of GB/T 31464.

Foreword II 1 Scope 2 Normative references 3 Terms and definitions 4 Basic requirements 5 Normal operation 6 Abnormal operation and fault treatment 7 Maintenance Annex A (Normative) Patrol inspection items and requirements for energy storage station Annex B (Normative) Typical abnormalities of energy storage station and their treatment Annex C (Normative) Typical faults of energy storage station and their treatment Annex D (Normative) Maintenance items and requirements of energy storage station