CH 7XF10

Series:	*
Part Status:	Active

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<p>CH 7XF10 is a multifunctional protection device designed for low, middle and high voltage busbar protection in power transmission and distribution systems with voltages between 35kV and 750kV. It is suitable to be applied in plants, transformer networks, capacitor switches and protected lines. This device can be adjusted according to the specific parameters of the protected system, so as to reduce the number of devices and ensure the stability and reliability of protection. </p> <p>CH 7XF10 device is a comprehensive over-temperature, over-current, over-voltage and under-voltage protection device. It can adjust the operation parameters quickly, accurately and reliably by expanding the microcomputer’s control system. Through the measured signals, it realizes the protection of the protected object when the measured current, voltage, temperature, etc. exceed the specified limit. Generally speaking, CH 7XF10 can be divided into two parts: the hardware and the microcomputer program. The hardware includes operating system, interface circuit, data acquisition and transmission circuit, protective element, modulating power supply and etc. The microcomputer program includes machine lock/unlock program, protection program, remote and local communications program and etc. </p> <p>In terms of the working principle, the device adopts the adaptive protection algorithm and intelligent grid recognition technology to ensure the accuracy and reliability of the protection. That is, the system can quickly determine the type of system fault according to the relevant information collected by the device, such as the measured current and the instantaneous transmission of the system. The protection reaction time can be within 50ms, effectively avoiding the overload and short circuit damage of the protected objects. Moreover, when fault occurs, parameters will be automatically collected and transmitted to the remote station for analysis in order to further optimize the protection system. </p> <p>CH 7XF10 is widely used in the protection of power transmission and distribution system. For instance, it can be used as the main protection equipment in the 110kV transformer substation, participating in the protection of busbar, generator, transformer, light-loaded line and so on. It can be used as the main protection equipment in high-voltage capacitor switch station and act as the back-up protection equipment for protection of generator, motor, medium and lightning-loaded line and so on. In addition, it can also be used as a control circuit device in generator switch, power plant external circuit, motor and so on, enabling the realization of intelligent switch-on and switch-off of parallel equipment. </p> <p>In short, the CH 7XF10 protection device is a multi-functional device with high stability and reliability, which can realize the protection and control of various objects in the power transmission and distribution system. Its comprehensive protection and monitoring functions make it possible to meet the complex needs of customers for the protection of the busbar and related systems.</p>

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