ABB UNITROL series excitation controller modules

ABB excitation controller modules Overview

ABB excitation controller modules have many series and models. Here are some common introductions:

UNITROL series

The ABB UNITROL series is a group of excitation controller modules with high performance and reliability, mainly used for voltage regulation of synchronous generators and motors. Here are the introductions of some common models:

UNITROL 6000: It is the latest-generation indirect excitation system and static excitation system, based on the AC800PEC high - performance processor platform, which can meet the needs of various types of synchronous generators and motors. It is designed for hydro - power, combined - cycle, and pumped - storage power plants, with a current range of 20 to 12,000A. It has an independent power supply system, which can maximize the extension of asset service life and meet complex grid code regulations.

UNITROL 5000: It is the fifth generation of excitation system in the UNITROL series, launched in 1998. It contains the core technology of the first two generations of excitation regulators UNITROLF and UNITROLP, and also absorbs advanced achievements such as DSP digital signal processing technology and thyristor rectifier bridge intelligent current sharing technology. It has multiple functions such as voltage regulator equipped with adjustable PID controller, underexcitation and overexcitation limiter.

UNITROL 1000: It is an indirect excitation system that provides excitation for synchronous motors and synchronous generators, suitable for applications using 100kVA to 80MVA synchronous motors. It is a compact and powerful automatic voltage regulator (AVR) that combines automation, electrical systems, rotating motor control, instrumentation, and advanced digital equipment to provide a complete and reliable solution for various power generation equipment. The series has the following characteristics:

Compact and durable: It is a compact and durable AVR with an excitation current of up to 20A.

Independent processor: It is equipped with independent communication and control processors.

Diverse software functions: It has a variety of built - in control software functions.

Ethernet-based interface: It has an Ethernet - based field - bus interface.

Wide-range power input: It has a wide range of power input voltages and can be used for AC and DC inputs.

Flexible I/O configuration: It has flexible and freely configurable measurements and input/output (I/O).

UNITROL 1010: It is a model in the UNITROL 1000 series, designed for voltage regulation of small - and medium - sized synchronous generators and industrial machines. It is a powerful small - scale indirect excitation system with built-in dual-channel support, which is used for advanced load distribution, rotating diode monitoring, automatic synchronization, and a variety of integrated communication options among parallel - operating units. Based on advanced microprocessor technology and IGBT semiconductor devices, it can output a current of up to 10ADC for continuous operation. It can work with high performance under harsh conditions and different temperature ranges and fully complies with DNV and UL standards.

UNITROL 1020: It has all-round functions, including all available adjustment types such as AVR/FCR/PF/VAR/limiter. It has functions such as automatic synchronization, MODBUS TCP communication, rotating diode monitoring (RDM), and reactive load sharing through RS485. It also has a powerful dual - processor technology that can maintain control of regulation even in the event of disturbances at the Ethernet communication end. In addition, it is equipped with user - friendly debugging and maintenance software tools CMT1000, which facilitate parameterization, monitoring, trend analysis, and optimization.

Other models

PCD235A101 (3BHE032025R0101): It is a controller module in the UNITROL excitation system. It is mainly used to adjust the field current of the generator exciter, and then accurately control the output voltage of the generator. It is often used in power plants and various industrial application scenarios.

GFD233A (3BHE022294R0101): It highly integrates the core functions of excitation control, such as voltage and current regulation, power factor control, protection functions, etc. It adopts advanced control algorithms to ensure stable operation and optimized performance of the generator under various operating conditions, supports multiple configuration options, and has comprehensive protection functions and standard communication interfaces.

UAA326A04: It is a core component for controlling the generator excitation system. Its main functions include excitation current control, stability control, protection functions, fault diagnosis and monitoring, and communication and interface functions. It adopts advanced control algorithms and microprocessor technology, has high automation and intelligence, and can be customized according to different generator types and grid requirements.

KUC711AE101 (3BHB004661R0101): Designed for advanced control of electrical systems, ensuring precise voltage regulation and optimized performance in a variety of industrial applications. Operating voltage is 220V, output frequency is 50kHz, made of high-quality materials, with a rugged structure to adapt to harsh industrial environments.