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UNITROL1020

Technical specification, model and type: UNITROL1020 is an automatic voltage regulator (AVR) of ABBUNITROL1000 series, which is mainly used for excitation control of small and medium-sized synchronous generators. Control mode: microprocessor control, advanced PID control algorithm. Output current: Max. 10 A (continuous operation).Communication interface: support Modbus, Ethernet, RS485, CAN and other communication protocols. Protection function: over-voltage, under-voltage and over-current protection. Working temperature: -20 ℃ to + 70 ℃, suitable for wide temperature industrial environment.

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Features: Compact design: can be directly installed in the machine junction box, with mechanical strength for high vibration applications. Protection grade: in line with industrial standards, suitable for harsh environments. Power supply: support 24VDC or three-phase auxiliary power input. I/O interface: Digital input and output: 12 inputs (8 of which can be configured as outputs). Analog inputs and outputs: 3 inputs, 2 outputs. Accuracy: voltage regulation accuracy ± 0.5%. Response time: 20ms, fast response to load changes.Automatic voltage regulation: precisely regulate the excitation current through PID algorithm, stabilize the output voltage of the generator, and ensure that the voltage of the power system is within the set range. Parallel operation support: Support parallel operation of multiple generators, realize load sharing and power factor adjustment, and improve system efficiency. Automatic synchronization function: automatically synchronize the generator with the power grid to ensure the safety and reliability of the grid connection process and avoid impact current. Comprehensive protection function: It has various protection functions such as overcurrent, overvoltage and undervoltage to ensure the safe operation of the equipment and prevent the expansion of the fault.Powerful communication capability: support Modbus, Ethernet, RS485, CAN and other communication protocols, easy to integrate with the host computer or SCADA system. Easy operation and maintenance: friendly user interface and debugging tools (such as CMT1000) are provided to support parameter configuration, data recording and trend analysis. Built-in data logger and event logger for easy troubleshooting and maintenance. Strong environmental adaptability: in line with DNV and UL standards, it can operate stably in harsh environments such as high temperature, high humidity and high vibration.Advanced feature integration: Built-in dual-channel support for advanced load sharing between parallel units. Rotating diode monitoring and automatic synchronization for improved system reliability. Application scenario Power plant: It is used for excitation control of small and medium-sized synchronous generators to ensure voltage stability and improve power generation efficiency. It is suitable for coal-fired, gas-fired, hydraulic and other types of power stations.Industrial field: voltage stability of industrial electrical equipment, such as rolling mills, compressors, pumps and other high-load equipment. Ensure continuity of industrial processes and avoid equipment downtime due to voltage fluctuations. Marine system: voltage regulation of marine power system to ensure stable power supply during navigation and support the operation of propulsion system and auxiliary equipment. Renewable energy:With the use of wind and hydropower generators, it can stabilize the grid-connected voltage and improve the reliability of renewable energy access to the grid. Power system: voltage control of transmission and distribution links to improve grid stability and reduce voltage fluctuations and failures. Critical facilities: Data centers, hospitals and other places requiring highly reliable power supply, as the core regulating equipment of the backup power supply system.