What is the difference between IEC 61850-24 and ISO 15118

Introduction

In the field of electrical engineering, there are various standards that govern the operation and communication of power systems. Two important standards in this domain are IEC 61850-24 and ISO 15118. Although they both relate to power system automation, they have different scopes and purposes.

IEC 61850-24: Communication Networks and Systems for Power Utility Automation

IEC 61850-24 is a standard developed by the International Electrotechnical Commission (IEC) specifically for communication networks and systems used in power utility automation. This standard provides guidelines and protocols for the efficient and reliable exchange of information in various aspects of power system automation, including protection, control, monitoring, and maintenance.

ISO 15118: Road Vehicles - Vehicle-to-Grid Communication Interface

ISO 15118, on the other hand, is an international standard developed by the International Organization for Standardization (ISO). It focuses on the communication interface between road vehicles, commonly electric vehicles (EVs), and the power grid. This standard enables smart charging and bi-directional energy transfer between EVs and the grid, allowing for optimized charging, grid management, and vehicle-to-grid services.

Differences between IEC 61850-24 and ISO 15118

The main difference between IEC 61850-24 and ISO 15118 lies in their scope and application. IEC 61850-24 primarily deals with communication networks and systems within power utility automation. It covers a wide range of applications and devices involved in power system operations.

ISO 15118, however, primarily focuses on the communication interface between vehicles and the power grid. It addresses the specific needs of electric vehicles, allowing them to communicate with charging infrastructure and the grid itself. This standard facilitates efficient and intelligent charging, load management, and integration of EVs into the broader energy ecosystem.

Another difference is that IEC 61850-24 is an established standard widely used in the power utility sector, while ISO 15118 is a relatively newer standard specifically developed for electric vehicle charging infrastructure.

Conclusion

In summary, both IEC 61850-24 and ISO 15118 play crucial roles in the field of power system automation and communication. While IEC 61850-24 focuses on providing guidelines for overall power utility automation, ISO 15118 enables the communication interface between electric vehicles and the power grid. Understanding these standards' differences helps in ensuring efficient and reliable operation of power systems and the integration of electric vehicles into the energy ecosystem.