产品介绍
The ABB UNS 0121 A-Z, V1 (3BHE035301R1002) Automatic Voltage Regulator is a high-reliability industrial AVR designed for precise voltage control in ABB excitation and power regulation systems. It provides stable voltage regulation, fast dynamic response, and consistent control behavior in demanding electrical and industrial environments.
This automatic voltage regulator operates using a closed-loop control structure, continuously monitoring voltage feedback signals and adjusting excitation output in real time. By rapidly compensating for voltage deviations caused by load changes or system disturbances, the UNS 0121 A-Z helps maintain system stability and protects connected electrical equipment.
Manufactured in accordance with ABB industrial engineering standards, the UNS 0121 A-Z, V1 integrates seamlessly with compatible ABB excitation platforms. Its robust construction and predictable performance make it suitable for continuous operation in power generation and heavy industrial applications.
产品规格
| Parameter | 描述 |
|---|---|
| Product Type | Automatic Voltage Regulator (AVR) |
| 制造商 | ABB |
| 型号 | UNS 0121 A-Z |
| Version | V1 |
| ABB 零件号 | 3BHE035301R1002 |
| Control Function | Automatic voltage regulation |
| Regulation Method | Closed-loop excitation control |
| Input Signal Type | Analog voltage feedback |
| Excitation Output | Controlled excitation signal |
| Control Response | Fast correction / voltage deviations |
| Regulation Accuracy | High-precision voltage stabilization |
| System Compatibility | ABB excitation and voltage control systems |
| Installation Type | Panel-mounted industrial module |
| Operating Environment | Industrial electrical control cabinets |
| Design Characteristics | Noise-resistant, industrial-grade circuitry |
| Dimensions | 302 × 170 × 85 mm |
| 重量 | 2.8 kg |
Applications
• Generator excitation systems, maintaining stable terminal voltage during steady-state and transient operating conditions
• Power generation facilities, supporting voltage regulation in thermal, hydro, and industrial power plants
• High-power electrical drive systems, ensuring controlled excitation voltage under variable load conditions
• Industrial motor and power control systems, improving voltage stability and operational reliability
• Process automation environments, protecting sensitive control equipment from voltage fluctuations
• System upgrade and retr/it projects, replacing legacy ABB voltage regulators while maintaining compatibility
Advantages
• High regulation accuracy, enabling precise voltage control across varying operating conditions
• Fast dynamic response, minimizing voltage deviation during sudden load or system disturbances
• Industrial-grade reliability, designed for continuous-duty operation in harsh environments
• Stable closed-loop control behavior, ensuring predictable and consistent system performance
• Seamless integration with ABB platforms, reducing engineering and commissioning effort
• Enhanced equipment protection, limiting electrical stress on connected electrical systems
公司信息
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