CHARGING MANAGEMENT SYSTEM (CMS)
With faster EV adoption and growing EV Infrastructure, managing multiple EV chargers and EV Charging Stations by their owners can come as a heavy task. Monitoring locations, keeping track of revenue, and operating and managing multiple EV Chargers could be a hectic task if not managed through a centralized system. For this, a charging management system (CMS) is developed, to facilitate the management of chargers and charging sessions.
Charging Management System or CMS is a software developed to monitor the activities of EV Chargers and make things easier for the EV Charger owner. Through CMS, the EV Charger owner could manage and monitor the utilization of the charger, maintain its data, analyse the utilization, keep records of billing, track their revenue, and also control the operations of chargers (as in keeping it online and offline).
The maintenance of data from multiple charge points gets easier through the CMS.
Along with this data management of chargers, another main role of CMS is to facilitate the communication between the electric vehicle and the EV Charger. Communication needs to take place for the charger to supply the required amount of energy as demanded by the electric vehicle. The key concept of charging an EV which involves the communication between the CMS and BMS depends on the demand and supply by the BMS and CMS respectively.
CHARGING OF ELECTRIC VEHICLE THROUGH COMMUNICATION BETWEEN CMS AND BMS
The charging of an EV depends on the input taken electric vehicle and the output provided by the EV Charger. So, before starting a charging session, the BMS and CMS communicate to know the demand of the current by the electric vehicle that needs to be supplied by the EV Charger.
The following diagram shows the communication between the BMS and CMS:
COMMUNICATION OF CHARGING MANAGEMENT SYSTEM AND BATTERY MANAGEMENT SYSTEM
To understand it better, let’s take the following example:
For example, through a 60kW if we charge an electric car with a battery capacity of 30kW, and the car currently has 5 kW of battery in it.
Then through the communication between the BMS and CMS, the battery would demand only 25kW from a 60kW Charger and the EV Charger would provide this required current by the electric car.
So, during the charging session, the EV Charger will charge the car according to this demand made by the battery management system of the electric car.
Hence, this is how the communication between CMS and BMS takes place and facilitates the charging of an electric vehicle.
KEY FEATURES AND BENEFITS OF CMS
- Charging Station Management:
A charging management system allows operators or owners of charging stations to manage and monitor their charging infrastructure remotely. They can access real-time data on each charging point, including availability status, charging rates, and session information. With this centralized control, operators can efficiently allocate resources, identify potential issues, and ensure a smooth user experience.
- Cloud-based software and Mobile Applications:
E-Fill Electric cloud-based CMS Features
A charging management system is usually a cloud-based software that often also includes a user-friendly mobile app that enables EV owners to easily locate, book, pay, and monitor their charging sessions. Through the app, they can find nearby charging stations, check real-time availability, book their charger, and monitor their charging session. The EV Charger owner can also monitor the charging session remotely through this system.
- Communication between EV Charger and Electric Vehicle:
It is through CMS that the EV charger and an electric vehicle can communicate. The communication takes place through CMS integrated in the charger and the Battery management system (BMS) in the electric vehicle. Through this BMS, the electric vehicle demands the input of current that needs to be supplied to charge it, which is then supplied by the charger.
- Load Balancing and Power Management:
The charging management system helps to build communication between it and the Battery Management System (BMS) of the electric vehicle. Through this communication between the EV Charger and the electric vehicle, the charger can easily supply the required demand of power by the electric vehicle.
- Billing and Payment Integration:
The charging management system facilitates the billing and payment process for EV owners. It provides detailed reports of charging sessions. The EV Charger owners and Charge Point Operators with multiple EV Chargers can easily access the reports and bills of charging sessions and revenue generated through these sessions.
- Data Analytics and Reporting:
The charging management system collects and analyses data from each charging session, generating comprehensive reports and insights. These reports help operators understand usage patterns, identify peak demand periods, and optimize the charging station’s capacity accordingly. Data analytics also enable operators to make data-driven decisions, such as expanding charging infrastructure in areas with high EV adoption rates.
Hence these were some of the key features and benefits of charging management system.
CONCLUSION
The charging management system plays a crucial role in optimizing the operations of EV Chargers of EV Charger owners or Charge Point Operators for Public Charging Stations at different locations. It also plays an important role in building communication between the charger and the electric vehicle through which an electric vehicle is charged.
With load balancing capabilities, seamless billing integration, and data analytics, operators can effectively manage their charging stations and charging sessions too.
By providing centralized control, real-time monitoring, and dynamic charging optimization, it ensures efficient utilization of charging infrastructure while offering convenience to EV owners and EV Chargers owners.
Check this link to understand – How can you start your EV charging business with E-Fill Electric
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