CT, which means a current transformer, is the equipment used to measure current. It minors electric current flow by sensing a magnetic field around the electric current carrier; you don’t need to directly touch the cable or electric circuit. The CT- clamp is usually made up of an iron core and windings that measure accurately the amount of current that passes through the cable, which plays an important role in EV Chargers.
CT-clamp real-monitors the electric strength of EV chargers and helps the charging system to ensure the stabilization of charging power. It is important for the electric current of the dynamic adjustment charging process, especially in commercial use scenes, which makes sure of the efficiency and stability of the charging process.
CT-camp can detect electrical abnormalities, such as overload and short circuit. When the electric current is over the safety limit, the charging station immediately cuts off the electricity to prevent electricity breakdown.
In commercial charging locations, the CT clamp can accurately record the amount of electricity used in the charging process and ensure that the user’s charge is accurate. Thus, it provides necessary data support for CPOs（charge pcoint operators）, helping them manage and optimize the operation of charging stations.
With smart charging technology developed, CT-Clamp is not only used for electric metering but also works with other smart equipment, achieving load management and battery health monitoring.
The CT clamp’s non-contact feature allows it to be installed without changing the electrical system, decreasing installation complexity and improving safety when used.
CT-clamp provides high-accuracy electrical data, ensuring accurate metering of electrical energy consumed. Its high precision makes it an ideal tool for charging stations in meters and settlements.
Due to the CT-clamp design simply, no need to change the electrical system, and it can be installed quickly in the charging system. Additionally, the maintenance of the CT clamp is very convenient, reducing operation costs.
CT-clamps, which have a wide range of applications in EV chargers, improve safety and precision in the charging process and promote smart charging station management.
With electric cars expanding, CT clamps’ effect becomes increasingly important and is an indispensable core part of the charging system.
RCD (residual current device) is a safety production device used to check and prevent electrical leakage in EV chargers. Electrical be cut down to prevent accidents when RCD detects electricity abnormality.
The UK Smart Charging Regulations set clear requirements for smart charging technology, interoperability, security and data monitoring, and set the direction of technology improvement and market development for the EV charging equipment industry.
DIN 70121 is an early CCS DC fast charging communication protocol that provides basic vehicle-charger communication but it has no advanced authentication and security cryptography.
