TC 120 - Electrical Energy Storage (EES) systems
1. Standardization in the field of grid integrated EES systems in order to support grid requirements. - TC 120 focuses on system aspects on EES systems rather than energy storage devices. - TC 120 investigates system aspects and the need for new standards for EES systems. -TC 120 also focuses on the interaction between EES systems and Electric Power Systems (EPS). 2. For the purpose of TC120, “grid” includes and is not limited to applications in: a) transmission grids b) distribution grids c) islanded grids d) customer installation It is also confirmed that TC120 can include “smart grid” Storage in railway systems is considered if it contributes as an EES system to the grid as referenced in 2 a) d). Note: Grid is a synonym for electricity supply network (ISO/IEC 15067-3) A smart grid is an electric power system that utilizes information exchange and control technologies, distributed computing and associated sensors and actuators, for purposes such as: - to integrate the behaviour and actions of the network users and other stakeholders - to efficiently deliver sustainable, economic and secure electricity supplies (IEV 617-04-13) 3. EES systems include any type of grid-connected EES systems which can both store electrical energy from a grid or any other source and provide electrical energy to a grid. By that feature it maintains the balance between electrical energy demand and supply over a period of time. TC 120 considers all storage technologies as long as they are capable to store and to discharge electrical energy. (Energy storage itself is not in the scope of the work.) Note: Thermal storage systems are included in the scope, only from the point of view of extracting and injection eletricity. Uninterruptible power systems only having that funxtion (UPS) and similar backup power souces are not included in the scope of TC 120. 4. The scope of TC 120 is to prepare normative documents dealing with the system aspects of EES systems. For example, TC 120 deals with defining unit parameters, testing methods, planning and installation, guide for environmental issues and system safety aspects.
Systèmes de stockage de l'énergie électrique
1. Normalisation dans le domaine des systèmes EES intégrés au réseau afin de répondre aux exigences du réseau. - Le TC 120 se concentre sur les aspects système des systèmes EES plutôt que sur les dispositifs de stockage d'énergie. - Le TC 120 étudie les aspects système et le besoin de nouvelles normes pour les systèmes EES. -Le TC 120 se concentre également sur l'interaction entre les systèmes EES et les systèmes d'alimentation électrique (EPS). 2. Pour les besoins du TC120, le terme "réseau" inclut et n'est pas limité aux applications dans : a) les réseaux de transmission b) les réseaux de distribution c) les réseaux insulaires d) l'installation du client Il est également confirmé que le TC120 peut inclure le "réseau intelligent". Le stockage dans le domaine des systèmes ferroviaires est pris en compte s'il contribue au réseau en tant que système EES, comme indiqué au point 2 a) d). Note : le réseau est un synonyme de réseau d'alimentation électrique (ISO/IEC 15067-3). Un réseau intelligent est un système d'alimentation électrique qui utilise des technologies d'échange d'informations et de contrôle, des systèmes informatiques distribués et des capteurs associés ainsi que des systèmes de gestion de l'énergie, dans le but : - d'intégrer le comportement et les actions des utilisateurs du réseau et des autres parties prenantes - fournir efficacement un approvisionnement en électricité durable, économique et sûr (IEV 617-04-13). 3. Les systèmes EES comprennent tous les types de systèmes EES raccordés au réseau qui peuvent à la fois stocker de l'énergie électrique provenant d'un réseau ou de toute autre source et fournir de l'électricité. Cette caractéristique permet de maintenir l'équilibre entre l'offre et la demande d'énergie électrique pendant une période donnée. Le TC 120 prend en compte toutes les technologies de stockage pour autant qu'elles soient capables de stocker et de décharger de l'énergie électrique (Le stockage d'énergie lui-même ne fait pas partie du champ d'application des travaux). Note : Les systèmes de stockage thermique sont inclus dans le champ d'application, uniquement du point de vue de l'extraction et de l'injection d'électricité. Les systèmes d'alimentation sans interruption n'ayant que cette fonction (UPS) et les sources d'alimentation de secours similaires ne sont pas inclus dans le champ d'application du TC 120. 4. Le domaine d'application du TC 120 est de préparer des documents normatifs traitant des aspects système des systèmes EES. Par exemple, le TC 120 traite de la définition des paramètres des unités, des méthodes d'essai, de la planification et de l'installation, du guide des questions environnementales et des aspects de sécurité du système.
General Information
IEC TS 62933-3-2:2023 provides the requirements for power intensive and renewable energy sources integration related applications of EES systems, including grid integration, performance indicators, sizing and planning, operation and control, monitoring and maintenance. The power intensive applications of EES systems are usually used to improve the dynamic performance of the grid by discharging or charging based on corresponding control strategies. The renewable energy sources integration related applications of EES systems are usually used to mitigate short-term fluctuation and/or to keep long-term stability. This document includes the following applications of EES systems:
– frequency regulation/support;
– grid voltage support (Q(U)) (“volt/var support”);
– voltage sag mitigation;
– renewable energy sources integration related applications;
– power oscillation damping (POD).
- Technical specification113 pagesEnglish languagesale 15% off
IEC TS 62933-3-3:2022 provides requirements, guidelines and references when EES systems are designed, controlled and operated for energy intensive, islanded grid and backup power supply applications. In energy intensive applications, the EES system provides long charge and discharge phases at variable powers to the supported grid or user equipment. In islanded operation, the EES system provides energy to the islanded grid and coordinates other power generation systems in the islanded grid. In backup power supply and emergency support, the EES system provides energy to the internal grid or a set of emergency loads when the main grid power supply is not available.
- Technical specification46 pagesEnglish languagesale 15% off
IEC TS 62933-2-2:2022(E) defines testing methods and duty cycles to validate the EES system’s technical specification for the manufacturers, designers, operators, utilities and owners of the EES systems which evaluate the performance of the EES systems for various applications. The following items are covered in this document. The energy storage devices and technologies are outside the scope of this document:
application;
performance testing methods;
duty cycles for specific application.
- Technical specification66 pagesEnglish languagesale 15% off
IEC TR 62933-2-200:2021(E) presents a case study of electrical energy storage (EES) systems located in electric vehicle (EV) charging stations with photovoltaic (PV) power generation (PV-EES-EV charging stations) with a voltage level of 20 kV and below. EES systems are highlighted in this document because they are a desired option to make the charging stations (especially the high-power fast charging stations) grid-friendly, improve the self-consumption of clean energy generation, and increase the revenue of stations. In this application, EES systems show excellent performance by running in a variety of available operating modes, such as peak shaving, power smoothing, load tracing, time-of-use (TOU) price arbitrage, and ancillary services. The general duty cycle is recommended based on the summary of the operation characteristics of the EES systems.
- Technical report47 pagesEnglish languagesale 15% off
IEC 62933-5-2:2020 primarily describes safety aspects for people and, where appropriate, safety matters related to the surroundings and living beings for grid-connected energy storage systems where an electrochemical storage subsystem is used.
- Standard155 pagesEnglish and French languagesale 15% off
IEC/TS 62933-3-1:2018(E) is applicable to EES systems designed for grid-connected indoor or outdoor installation and operation. This document considers
necessary functions and capabilities of EES systems
test items and performance assessment methods for EES systems
requirements for monitoring and acquisition of EES system operating parameters
exchange of system information and control capabilities required
- Technical specification52 pagesEnglish languagesale 15% off
IEC 62933-1:2018 defines terms applicable to electrical energy storage (EES) systems including terms necessary for the definition of unit parameters, test methods, planning, installation, safety and environmental issues.
This terminology document is applicable to grid-connected systems able to extract electrical energy from an electric power system, store it internally, and inject electrical power to an electric power system. The step for charging and discharging an EES system may comprise an energy conversion.
- Standard69 pagesEnglish and French languagesale 15% off
IEC 62933-2-1:2017 focuses on unit parameters and testing methods of EES systems. The energy storage devices and technologies are outside the scope of this document. This document deals with EES system performance defining:
unit parameters,
testing methods. The contents of the corrigendum of January 2019 have been included in this copy.
- Standard85 pagesEnglish and French languagesale 15% off
IEC TS 62933-4-1:2017(E) describes environmental issues associated with electrical energy storage systems (EES systems), and presents guidelines to address the environmental impacts to and from EES systems including the impacts to humans due to chronic exposure associated with the mentioned environmental impacts.
- Technical specification18 pagesEnglish languagesale 15% off
IEC TS 62933-5-1:2017 specifies safety considerations (e.g. hazards identification, risk assessment, risk mitigation) applicable to EES systems integrated with the electrical grid.
This document provides criteria to foster the safe application and use of electric energy storage systems of any type or size intended for grid-integrated applications
- Technical specification51 pagesEnglish languagesale 15% off