UNITROL1010 3BHE035301R0001 UNS0121A-Z.V1 Excitation Controller

Functional Features Multiple Control Functions: As a voltage regulator, it can provide accurate and stable control of the generator's output voltage. It has functions such as automatic voltage control, power factor and reactive power control, and excitation current regulation. It can achieve reactive power sharing of generators operating in parallel and in island mode, automatic synchronization, and priority synchronization with voltage matching, etc. Dual-channel Support: It has built-in dual-channel support, enabling advanced load sharing among machines operating in parallel. Through the reliable CAN bus, it provides standby functions and setpoint tracking functions for the redundant channel system. Complete Monitoring Functions: It has functions such as rotating diode monitoring, synchronization checking, enhanced system monitoring functions (such as voltage transformer monitoring), and various limiter functions (such as excitation current limiter). It also has a data recorder and trend function, which can automatically and manually trigger data recording, record measurement results and data selected by users. The event recorder function can record success information as well as time and date information. Strong Communication Capability: It conducts full-featured MODBUS communication through standard Ethernet and RS485, and can exchange data and communicate with other devices or systems to achieve system integration and remote monitoring. It is equipped with a powerful regulator liquid crystal panel, which is convenient for configuration and reading of measurement values. There is also a powerful and user-friendly debugging and maintenance software tool CMT1000, which can easily achieve parameterization, monitoring, trend analysis, and optimization.

Technical Parameters Processor: 32-bit RISC processor with a main frequency of 200MHz. Current Output: Based on IGBT semiconductor devices, the current output allowed for continuous operation is up to 10ADC. For higher current output requirements, an optional external power module UNITROL 1000-PM40 can be used, which can upgrade the current output capacity to 40A DC for continuous operation. Power Input: It has a wide range of power input voltages and supports both AC and DC inputs. I/O Configuration: For analog I/O, there are 2 outputs/3 inputs (configurable), and also a +10V/-10V reference output; for digital I/O, there are only 4 inputs (configurable), 8 inputs/outputs (configurable), and a 24V output (600mA) for external relays. Working Environment: It can operate with high performance under harsh conditions and in different temperature ranges. The working temperature is from -25°C to +70°C, the storage temperature is from -40°C to +85°C, and the protection level is IP67.

Application Scope Land-based Power Plants: It is suitable for land-based power plants based on diesel or gas engines, gas or steam turbines, and hydraulic turbines. It is used for the excitation control of small and medium-sized synchronous generators, stabilizing the generator's output voltage, ensuring the stability of the grid voltage, improving the stability of the power system, enhancing the dynamic performance of the power system, and protecting the generator from over-excitation or under-excitation. Marine Power Systems: It can be applied to marine power propulsion and auxiliary supply systems, providing excitation control for the generators on ships. It ensures that the generators can stably output electricity under various working conditions of the ship to meet the power consumption requirements of ship navigation and the operation of various equipment. Railway Transportation: In diesel-electric locomotives, it is used to control the excitation of the generator, enabling the generator to stably provide appropriate voltage and current according to the operation requirements of the locomotive, supplying power to equipment such as the traction motors of the locomotive and ensuring the normal operation of the locomotive.

Wind Power Generation: In the field of wind power generation, it can be used for the excitation systems of small and medium-sized wind turbines. Due to the particularity of wind power generation, the wind speed is constantly changing, and the output of the generator will also fluctuate accordingly. This system can quickly adjust the excitation current according to the operation status of the generator, stabilize the output voltage and frequency of the generator, improve the power quality, and ensure that the wind power generation system can be stably connected to the power grid. Industrial Automation: In some industrial production scenarios, such as those with complex control requirements in the petroleum and chemical industries, when the application of small and medium-sized synchronous motors is involved, UNITROL1010 can be used for the excitation control of synchronous motors, enabling the motors to operate stably and efficiently according to the requirements of the production process and meeting various power needs in the industrial production process.