製品紹介
The ABB UNS 0121 A-Z, V1 (3BHE035301R0001) Automatic Voltage Regulator is an industrial-grade AVR developed for precise voltage control in ABB excitation and power regulation systems. It is designed to deliver stable, accurate, and fast voltage regulation in applications where electrical stability and dynamic response are essential for reliable system operation.
This automatic voltage regulator operates using closed-loop control principles, continuously processing voltage feedback signals and adjusting excitation output in real time. By maintaining voltage within defined limits during steady-state operation and transient events, the UNS 0121 A-Z contributes to improved system stability, reduced electrical stress, and enhanced operational safety.
Built 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 control behavior make it suitable for long-term use in power generation and heavy industrial environments.
製品仕様
| Parameter | 説明 |
|---|---|
| Product Type | Automatic Voltage Regulator (AVR) |
| メーカー | ABB |
| モデル | UNS 0121 A-Z |
| Version | V1 |
| ABB 型番 | 3BHE035301R0001 |
| 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 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 upgrades and retr/it projects, replacing legacy ABB voltage regulators with minimal integration effort
Advantages
• High regulation accuracy, enabling precise voltage control across varying operating conditions
• Fast dynamic response, minimizing voltage deviation during sudden load or system changes
• 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 complexity
• Enhanced equipment protection, limiting electrical stress on connected systems
会社情報
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