The microprocessor-based protection device is a high-tech power automation product integrating measurement, control, monitoring, protection, and communication functions. It is an ideal electrical unit for constructing intelligent switchgear.
The high integration of multiple functions, flexible configuration, and a user-friendly human-machine interface make this general-purpose microprocessor-based integrated protection device suitable for protecting and controlling various electrical equipment and lines in ungrounded systems, low-resistance grounded systems, arc suppression coil grounded systems, and directly grounded systems at voltage levels of 35KV and below. It can also be used for voltage and current protection and control in some 66KV and 110KV systems.
It employs a 32-bit digital signal processor (DSP) with an advanced core architecture, high-speed computing power, and real-time signal processing capabilities.
It supports conventional RS485 bus and CAN (DEVICENET) fieldbus communication. The CAN bus features error correction mechanisms such as automatic retransmission of faulty connections and automatic disconnection of faulty nodes, ensuring the implementation and reliability of protection information.
It has a complete self-testing capability and automatically alarms when it detects device abnormalities; it has self-protection capabilities to effectively prevent permanent damage to the device caused by wiring errors and abnormal operation; it is maintenance-free, requiring no on-site adjustment of sampling accuracy, and the measurement accuracy will not increase due to environmental changes or long-term operation!