C800-351

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The C800-351 is an automatic signal control system that provides versatile protection and reliable operation for substations and equipment. It is used to protect high voltage electrical equipment from overloads, current surges, and other hazardous conditions. The C800-351 has two application fields: as a switchgear or as a relay. As a switchgear, it provides protection against overloads, current surges, short-circuits and other hazardous electrical conditions. Additionally, it is used to open and close circuit breakers when an emergency occurs. As a relay, it is used to detect and close contacts during a trip operation and to detect current and voltage levels and other alarming conditions.

The C800-351 system is composed of two components: the electronic signal-control module and the mechanical-actuating system. The electronic signal-control module is responsible for initiating the circuit breaker operation when a hazardous electrical condition is detected or when an emergency needs it. It is made up of three main sections: the central processing unit (CPU), the program memory and the input/output module. The CPU is responsible for the interpretation and execution of the instruction code stored in the program memory and for the communication between the system\'s components. The program memory stores the protection algorithms and other data for reliable and accurate operation. The input/output module is used to receive input signals from bushings, current and voltage sensors or switches, as well as to communicate with supervisory systems.

The mechanical-actuating system is composed of a servomotor, a linear actuator, a brake, and a console. The servomotor is responsible for the actuation of the circuit breaker. It is connected to a linear actuator that, when activated, opens or closes the contacts that control the operation of the circuit breaker. The brake is responsible for securely holding the circuit breaker in the open or closed position. The console houses the control circuitry, the program memory, and the input/output module.

The working principle of the C800-351 system is simple. It starts with the input of data from bushings, current and voltage sensors or switches. The data is processed by the CPU and then the control signals are sent to the mechanical-actuating system. This then causes the circuit breaker to be opened or closed depending on the instruction. The system is capable of detecting and responding to hazardous conditions as well as emergency situations.

The C800-351 system is an innovative and reliable device that can be used to protect high voltage electrical equipment from overloads, short-circuits, current surges and other hazardous conditions. It consists of two components, an electronic signal-control module and a mechanical-actuating system, and its working principle is simple and straightforward. It can detect and respond to hazardous conditions and emergency situations, making it a reliable and efficient electronic control system.

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