UNITROL 1020-0006 FULL 3BHE030579R0006 Digital Excitation Controller

Product Model	ABB UNITROL 1020-0006 FULL 3BHE030579R0006
Manufacturer	ABB
Product Type	Digital Excitation Controller
Rated Voltage	125V DC or 250V DC
Field Current	Up to 500A continuous
Control Modes	Voltage, Reactive Power, Power Factor
Voltage Regulation	±0.5% of setpoint
Response Time	<50ms for 95% step change
Communication Protocols	Modbus RTU/TCP, IEC 61850, PROFIBUS DP
Protection Functions	Over/under excitation, V/Hz, loss of field
Power Supply	85-264V AC/110-300V DC
Operating Temperature	-25°C to +55°C
Certifications	IEC 61850-3, IEEE 1613, UL 508

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Category: ABB

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Description

Advanced Generator Excitation Controller for Power Systems

Technical Specifications

Product Model	ABB UNITROL 1020-0006 FULL 3BHE030579R0006
Manufacturer	ABB
Product Type	Digital Excitation Controller
Rated Voltage	125V DC or 250V DC
Field Current	Up to 500A continuous
Control Modes	Voltage, Reactive Power, Power Factor
Voltage Regulation	±0.5% of setpoint
Response Time	<50ms for 95% step change
Communication Protocols	Modbus RTU/TCP, IEC 61850, PROFIBUS DP
Protection Functions	Over/under excitation, V/Hz, loss of field
Power Supply	85-264V AC/110-300V DC
Operating Temperature	-25°C to +55°C
Certifications	IEC 61850-3, IEEE 1613, UL 508

Main Features and Advantages

Precision Grid Synchronization: The ABB UNITROL 1020-0006 FULL 3BHE030579R0006 delivers ±0.5% voltage regulation accuracy for stable generator operation. Its adaptive control algorithms automatically compensate for grid disturbances, maintaining constant voltage during load fluctuations and preventing blackouts in critical power infrastructure.

Multi-Layer Protection System: Incorporating 20+ protection functions including over-excitation limitation, under-frequency protection, and field short-circuit monitoring, this controller prevents catastrophic generator damage. The dual-redundant processing architecture ensures continuous operation even during component failure, with automatic switchover in under 10ms.

UNITROL1020-UNS0119A-Z,V1-3BHE030579R0007

Advanced Grid Support: Beyond basic voltage control, the ABB UNITROL 1020-0006 FULL 3BHE030579R0006 provides reactive power compensation and power factor correction capabilities. Its Power System Stabilizer (PSS) function actively damps electromechanical oscillations, enhancing grid stability during transient events and improving power quality.

Cybersecurity Hardened: Designed for modern power networks, the controller features encrypted communications, role-based access control, and audit logging compliant with IEC 62443 standards. Secure boot technology prevents unauthorized firmware modifications, while configurable firewalls protect against cyber threats in networked environments.

Intuitive Engineering Interface: The Web User Interface (WUI) provides real-time visualization of generator parameters, excitation status, and protection settings. Remote diagnostics capabilities enable predictive maintenance planning, while automatic event recording captures 100+ parameters during disturbances for post-event analysis.

Application Areas

Hydroelectric generator excitation systems
Thermal power plant turbine-generators
Industrial captive power generation
Renewable energy grid integration
Marine power generation systems