ABB UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003 | Automatic Voltage Regulator (AVR)

Description

Product Overview: ABB UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003
The ABB UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003 is a compact, industrial-grade Automatic Voltage Regulator (AVR) designed to deliver stable excitation control for small and medium synchronous generators. Engineered for demanding industrial and power applications, the ABB UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003 combines fast PID-based voltage regulation with configurable field-current control and built-in protection to maintain precise generator output under dynamic load changes. This model supports parallel operation and load-sharing, offers dual-channel redundancy options, and provides comprehensive diagnostic outputs for event logging and trending. The ABB UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003 is suited to on-site power plants, backup generator sets, and industrial facilities that require resilient excitation control and straightforward integration with DCS/SCADA systems.

Key Features: ABB UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003
The ABB UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003 provides precise PID voltage regulation, PI-based field current control, and programmable protection thresholds for over/under voltage, over/under excitation and reverse power. It supports automatic load sharing for parallel generators, synchronizing aids, and rotating-diode monitoring. Modular I/O and communication options allow measured values, alarms and event records to be output to plant control systems for asset management and predictive maintenance. Robust mechanical design and industrial-grade components ensure reliable performance under vibration and temperature stress.

Technical Specifications

Parameter	Value
Manufacturer	ABB
Product type	Automatic Voltage Regulator (AVR) / Excitation Controller
Model / Part number	UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003
Typical dimensions (W x H x D)	500 mm x 335 mm x 245 mm (reported, verify with datasheet)
Net weight	≈ 6.7 kg (typical, verify with factory drawing)
Power / supply	24 V DC auxiliary (variant dependent) / auxiliary AC options possible
Control algorithm	PID voltage control, PI field current loops
I/O and communications	Modular I/O; optional Ethernet/Modbus/Profibus/other fieldbus via factory configuration
Operating temperature	-20 °C to +55 °C (industry typical)
Mounting	Panel / cubicle mount (front-access) for switchboard integration
Protection & diagnostics	Over/under voltage, reverse power, excitation loss, event logging

ABB UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003

Applications: ABB UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003
The ABB UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003 is ideal for industrial and utility generator control where accurate voltage regulation, secure parallel operation and fast fault response are required. Typical uses include prime and standby generator sets, small power plants, industrial cogeneration, waterworks pumping stations and mining operations. Its load-sharing capability makes it suitable for multi-set installations that require stable power delivery and coordinated excitation during load transients. The model’s diagnostic outputs help condition-based maintenance programs reduce unplanned downtime and extend generator life.

Installation & Support: ABB UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003
Pre-installation: Confirm variant compatibility with generator excitation requirements, verify mechanical clearance for the listed dimensions and ensure correct auxiliary supply is available. Validate communication and I/O configuration required for integration with existing DCS/SCADA.
Commissioning & support: Follow manufacturer commissioning sequence for excitation tuning and paralleling. Record baseline parameters and archive configuration files. Use event logs and trending during initial operation to fine-tune PID parameters. For firmware updates and configuration changes, restore backups if required. For field support, request factory or authorized service assistance when performing protective-set changes or advanced troubleshooting.

ABB UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003

Warranty & Stock: ABB UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003
Our company provides a one-year quality warranty for the ABB UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003, covering hardware malfunctions not attributable to human factors. During the warranty period, if the product shows abnormal performance or functional failure, we will provide replacement services. For discontinued variants and urgent needs, our global supply chain allows rapid sourcing of scarce spare parts and expedited delivery to support continuous operation.

Call to Action: For immediate availability, technical datasheets or quotations for ABB UNITROL 1020 UNS0119A-Z,V1 3BHE030579R0003, contact our sales team with generator rating and expected excitation current to confirm variant compatibility.

Contact:
Whatsapp: +86 18859254943
E-mail: sales@ygplc.com