Product Description: ABB UNITROL-1010-3BHE035301R1002-UNS0121A-Z,V1 Generator Excitation System
The ABB UNITROL-1010-3BHE035301R1002-UNS0121A-Z,V1 is a state-of-the-art generator excitation system designed for industrial and utility-scale power generation, ensuring stable voltage control and optimal generator performance. As part of ABB’s UNITROL series, this model integrates advanced digital control technology (DSP-based) and modular architecture to support synchronous generators in power plants, renewable energy installations, and industrial motor drives. The UNITROL-1010 offers precise excitation control, fault protection, and remote monitoring, making it ideal for critical applications requiring high reliability and efficiency.
2. Product Parameters
Parameter
Specification
Model
UNITROL-1010-3BHE035301R1002-UNS0121A-Z,V1
Type
Digital Generator Excitation System
Rated Power
Up to 500 MW (generator-dependent)
Input Voltage
380–690 V AC (±10%), 50/60 Hz
Output Current
0–5,000 A (continuous), 7,500 A (peak, 10-second)
Control Interface
MODBUS RTU, PROFIBUS DP, Ethernet/IP
Protection Class
IP20 (controller), IP54 (optional enclosure)
Temperature Range
-20°C to +50°C (ambient)
Certifications
IEC 61400-1, ISO 9001:2015, CE
Redundancy
Dual-channel control (optional)
UNITROL-1010-3BHE035301R1002-UNS0121A-Z,V1
3. Advantages and Features
Precision Voltage Control:
DSP-based algorithm ensures voltage regulation within ±0.5% of rated value, reducing grid instability risks.
Fast response time (≤50 ms) for transient events (e.g., load rejection).
Modular Design:
Hot-swap capability for field replaceable units (FRUs), minimizing downtime (e.g., 99.99% uptime in utility applications).
High-efficiency thyristor rectifiers (98.5% efficiency at full load) reduce energy losses.
Advanced power factor correction (PFC) for improved generator utilization.
4. Application Areas and Case Studies
Industry Applications:
Power Generation: Thermal, hydro, and gas turbine power plants.
Renewables: Wind and solar farms (grid stabilization).
Industrial: Large synchronous motors (e.g., in steel mills, water pumping stations).
Case Study: A 300 MW coal-fired power plant in Southeast Asia adopted the UNITROL-1010 to replace an outdated excitation system. Results included:
15% reduction in reactive power fluctuations.
20% longer maintenance intervals (due to predictive diagnostics).
Compliance with grid codes (e.g., low-voltage ride-through capability).
5. Competitive Comparison
Compared to similar excitation systems:
Integrated Grid Compliance: Pre-configured for grid codes (e.g., FRT, PQ regulation) without additional hardware.
Remote Diagnostics: Built-in web server for real-time monitoring (reducing onsite visits by 30%).
Cost of Ownership: 10% lower lifecycle costs vs. legacy systems (via modular spares and energy savings).
UNITROL-1010-3BHE035301R1002-UNS0121A-Z,V1
6. Selection Recommendations
Generator Size: Match the UNITROL-1010’s rated power (e.g., 100–500 MW generators).
Environment: Choose IP54 enclosure for outdoor/harsh environments (e.g., coastal power plants).
Redundancy Needs: Opt for dual-channel control in critical grids (e.g., islanded microgrids).
7. Precautions
Installation:
Follow ABB’s wiring guidelines (separate power/signal cables to prevent EMI).
Torque busbar connections to 10 N·m; ensure proper ventilation (200 mm clearance around the unit).
Commissioning:
Calibrate voltage/current sensors using ABB’s UNITROL Commissioning Tool (UCT).
Test fault protection (e.g., overvoltage/undercurrent) in simulated grid conditions.
Maintenance:
Inspect thyristor cooling fans quarterly; replace every 5 years.
Update firmware annually via ABB’s remote management platform.
Shanxi Xinyeda International Trade Co., Ltd. is your trusted partner for the ABB UNITROL-1010-3BHE035301R1002-UNS0121A-Z,V1 and other automation spare parts. We supply genuine ABB components, factory-calibrated systems, and 24/7 technical support. Visit www.xydcontrol.com or contact us for tailored solutions, including retrofit kits for legacy excitation systems.
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