Description
Many products have not yet been launched, please contact us for more products
If the product model does not match the displayed image, the model shall prevail. Please contact us for specific product images, and we will arrange for photos to be taken in the warehouse for confirmation
We have 16 shared warehouses worldwide, so sometimes it may take several hours to accurately return to you. We apologize for any inconvenience caused. Of course, we will respond to your concerns as soon as possible.
UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003 Other names:
Excitation controller UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003
UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003 Excitation System Processor
Excitation voltage regulator UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003
UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003 Indirect Excitation System
UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003 is a voltage regulator of the UNITOL 1000 series, suitable for small and medium-sized synchronous generators and industrial machinery. UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003 combines performance control and power circuits with simple mechanical design
UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003 is a powerful and compact automatic voltage regulator with built-in dual channel support, advanced load sharing between parallel running machines, rotating diode monitoring, automatic synchronization, and multiple integrated communication options.
UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003 is a voltage regulator of the UNITOL 1000 series, suitable for small and medium-sized synchronous generators and industrial machines. This voltage regulator adopts the most advanced microprocessor technology and IGBT semiconductor manufacturing, allowing current output up to 20 ADC for continuous operation. UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003 has high performance under various temperature and vibration conditions, and has been fully certified according to DNV and UL standards. Compared to the old version, UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003 has more features such as Ethernet, USB, data and event recorders, etc.
UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003 Main Features Operation Mode
Using an adjustable PID controller for automatic voltage control
Power factor and reactive power controller using PID control algorithm
Excitation current regulator using PI control
Reactive power distribution of parallel and islanded generators
Automatic synchronization and pre synchronization voltage matching
Monitoring and limiter
Provide standby function and set point tracking function for redundant channel system through reliable CAN bus
Enhance system monitoring functions, such as voltage transformer monitoring
Synchronization check function
Rotating diode monitoring function (RDM)
Various limiter functions (excitation current limiter and many other functions)
Data loggers and trends
Automatic and manually triggered data loggers record measurement values and user selected data
The event recording function records successful information as well as time and date information
Use user-friendly debugging and maintenance tool CMT1000 trend recorder
Communication interfaces and tools
Realize full function MODBUS communication through standard Ethernet and RS485
Easy configuration and reading of measurement values through the powerful regulator’s LCD panel
CMT1000, a powerful and user-friendly debugging and maintenance software tool, allows for easy parameterization, monitoring, trend analysis, and optimization
All kinds of things
Power system stabilizer compliant with IEEE PSS 2A/2B
Powerful dual processor technology can maintain control over regulation even in the event of interference on the Ethernet communication side
UNITOL ® 1000 series UNITOL ® The 1000 series is ABB’s brushless excitation system, suitable for applications using synchronous machines ranging from 100kVA to 80MVA.
UNITROL ® The 1000 series has been deployed in over 20000 devices worldwide, suitable for power plants, ship electric propulsion and auxiliary power sources, diesel electric locomotives, port cranes, and mining trucks.
UNITOL ® The excitation system is a critical component of many generator sets, used by power plant owners and operators to achieve reliability, stability, and fast transient response of equipment operation according to grid requirements.
The ABB excitation system, combined with automation and electrical systems, rotating machinery control, instrumentation, and advanced digital services, forms a complete and reliable system that can serve all power generation facilities. Certified by TUV – the world’s first excitation system that complies with German grid specifications VDE-AR-N 4110 and VDE-AR-N 4120.
UNITOL ® one thousand and twenty
UNITROL 1020 is a voltage regulator designed specifically for small and medium-sized synchronous generators and industrial machinery. It combines performance control and power circuits with simple mechanical design, providing high performance under various temperature and vibration conditions. This one
The Automatic Voltage Regulator (AVR) features built-in dual channel support, advanced load sharing between parallel running machines, rotating diode monitoring, automatic synchronization, and multiple integrated communication options. It adopts the most advanced microprocessor technology and IGBT semiconductor manufacturing, allowing current output of up to 20 ADC for continuous operation.
UNITOL ® one thousand and ten
UNITOL ® 1010 is an indirect excitation system suitable for small and medium-sized synchronous generators and industrial machines. Its advanced microprocessor technology and IGBT semiconductor allow for current output up to 10 ADC for continuous operation.
With built-in dual channel support, advanced load sharing between parallel running machines, rotating diode monitoring, automatic synchronization, and multiple integrated communication options, the UNITOL 1010 can provide high performance under various temperature and vibration conditions.
UNITOL ® one thousand and five
UNITROL 1005 is the smaller component in this series, designed specifically for low-end excitation applications, with a maximum excitation current of up to 5 ADC.
Like all UNITOLO1000 products, UNITOLO 1005 is based on the same target software source code and shares the same simulation model, making it highly suitable for demanding grid code applications.
This kit includes CMT1000, a tool for centralized and rapid debugging.
UNITOL ® The 1000 FLEX system is a pre packaged solution for applications that require single or dual channel controllers. All systems are equipped with UNITOL ® 1020 FULL, as a standard device, fully utilizes the best solution to achieve optimal pricing and flexible project adjustment constraints.
With the rapid transition to standard applications, this solution brings together all the functions required for the excitation system. Pre packaged solutions allow you to design excitation systems in the most flexible and cost oriented way possible.
All products on this website are special products, and market prices have been fluctuating,
Please refer to the customer service quotation for details, as the product is new and the price is not genuine,
Please confirm the model, product, price, and other detailed information with customer service before placing an order. The website has been used,
The new one is for sale, please contact customer service for further communication.
Related product recommendations:
UNITROL 1010
UNITROL 1010 3BHE035301R1002
UNITROL 1010 UNS0121A-Z,V1
UNITROL 1010 UNS0121A-Z,V1/3BHE035301R1002
UNITROL 1020 3BHE030579R0003
UNITROL 1020 UNS0119A-Z,V1 ABB
UNITROL 1020 controller ABB
UNITROL 1020 3BHE030579R0003
UNITROL1000 Z.V3
UNITROL1000 Z.V3
PCD235B101 3BHE032025R0101
PPD103801 3BHE020455R0001
3BHE020455R0001
PVD164A2059 3BHE014340R2059
BHE014340R2059
PVD164 3BHE014377R0001
3BHE014377R0001
3BHE039724R0C3D
PPD513AOC-100440
more……
admin –
II. Product Positioning and Applicable Scenarios
This is an upgraded compact digital excitation system of the UNITROL1010, suitable for 0.5~50MW small and medium-sized synchronous generators/synchronous motor static excitation systems.
Onshore: Diesel/gas/steam turbine/hydro turbine self-owned power plants, distributed power stations, backup generator sets
Special Applications: Marine electric propulsion, internal combustion locomotive traction synchronous generator sets, direct-drive synchronous wind turbines
Industrial high-power synchronous motors (pump, compressor driven)
III. Core Electrical Technical Parameters
Excitation Output Capacity
40℃ Continuous Excitation Current: 20ADC
55℃ Continuous Excitation Current: 15ADC
10s Short-Time Overload: 40ADC
Power Devices: Built-in IGBT PWM power conversion unit with excellent regulation performance
Steady-State Voltage Regulation Accuracy: ±0.5% (compliant with IEEE Std 421.5) (Standard)
Dynamic Response Time: <10ms, quickly suppressing grid disturbances and load impacts
Voltage Sampling: Single-phase/Three-phase 0~500VAC generator terminal voltage acquisition
Power Supply
Control Auxiliary Power Supply: DC 12.5~48V; AC 9~300V Single-phase/Three-phase wide-range input
Environmental Tolerance
Operating Temperature: -25℃ ~ +70℃
Protection Rating: IP20 (rack mounting), DIN rail/panel fixed mounting
EMC Industrial Anti-interference, adaptable to harsh grid fault conditions
IV. Operation Control Modes
AVR Automatic Voltage Regulation Mode: PID closed-loop stabilization of generator terminal voltage (main operation mode)
FCR Manual Excitation Current Mode: Manual constant excitation output for maintenance, start-up, and commissioning
Reactive Power/Power Factor Adjustment Mode: Constant reactive power and constant power factor control for grid-connected units
Parallel Current Sharing Control: Multi-unit islanding/ Automatic reactive power sharing during grid-connected operation
Automatic synchronization and pre-voltage adjustment: Matches generator terminal voltage before grid connection to reduce closing impact
V. Built-in complete set of limiting and protection logic
Full coverage generator excitation system fault protection, with alarm/tripping capabilities:
Overexcitation limit OEL, underexcitation limit UEL, V/Hz limit (prevents core saturation)
PT voltage disconnection, excitation overcurrent, generator terminal overvoltage/undervoltage, loss of excitation fault detection
Soft start excitation, demagnetization logic, excitation circuit short circuit protection
VI. Hardware interface configuration
Human-machine operation: Front LCD display + physical operation buttons, local viewing of voltage/excitation current/fault codes
Debugging communication
USB port: Direct connection to PC software CMT1000 for parameter setting, waveform recording, and fault tracing
Ethernet: Modbus TCP remote monitoring and parameter reading/writing
RS485: Modbus RTU bus access to DCS backend
IO Terminals: Spring-loaded plug-in terminals, multi-channel analog (AI/AO) and digital (DI/DO) outputs, freely configurable for excitation start-up, shutdown, alarm outputs, and external input signals.
Built-in event recorder and transient waveform recording: Stores voltage and excitation waveforms before and after a fault for easy fault analysis.
VII. Supporting Debugging Software CMT1000
ABB official dedicated debugging tool, supporting the following functions:
One-click configuration of excitation parameters, grid standard adaptation
Real-time curve monitoring, disturbance test waveform recording
Fault code parsing, historical event export
Firmware version upgrade, hardware diagnostic testing
VIII. Spare Part Replacement Precautions
Differentiation within the same series:
UNITROL1005: Maximum 5A excitation; UNITROL1010: 10A; UNITROL1020: 20A. These three are not directly interchangeable.
Part number differentiation: 3BHE030579R0001/0002/0003 For different hardware versions, prioritize replacement with the identical 3BHE030579R0003(UNS0119A-Z V1).
After replacing the old equipment with the new, the generator excitation parameters must be reinstalled using CMT1000 to avoid voltage regulation abnormalities.
IX. Common Fault Indicator Light Definitions (Panel LEDs)
Green D800: Power supply normal; flashing = Firmware running
Yellow D802: Excitation in operation; flashing = Limiting function activated
Red D804: Alarm/trip; flashing = Excitation start-up failure, excitation lockout