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Load management

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Load management

Charging management, better known as Load Management or Smart Charging, is an intelligent system that enables a defined amount of power to be shared between several charging stations via wired or wireless communication.

Wired communication: the charging stations communicate with each other via a network cable (Ethernet cable with RJ45 connectors). Each charging station is connected in a star configuration to a common (unmanaged) switch. In this configuration, the most common communication protocol is Modbus TCP/IP. There are also charging stations which communicate with each other in series (bridging from one charging station to another with a 2-wire RS485 cable); in this case, the most common communication protocol is Modbus RTU. In both cases, we are talking about locally managed Load Management.

Wireless communication (OCPP Smart Charging): the charging stations are all connected to the Internet, either via WiFi or GPRS (SIM card). The charging stations are then integrated into a load management platform, and load management is carried out remotely via this platform. The platform sends charging instructions directly to the charging stations via the OCPP Smart Charging communication protocol. This system requires stable Internet communication.

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