产品介绍
The ABB UNS 0121 A-Z, V1 (3BHE035301R0410) Automatic Voltage Regulator is a high-performance industrial AVR designed for precise voltage control in ABB excitation and power regulation systems. It ensures stable voltage output, fast dynamic response, and reliable regulation performance under variable load and industrial operating conditions.
The UNS 0121 A-Z operates using a closed-loop control method, continuously monitoring voltage feedback signals and adjusting the excitation output in real time. By maintaining voltage stability during both steady-state and transient conditions, it enhances system reliability and protects connected electrical equipment from abnormal voltage fluctuations.
Built according to ABB industrial standards, this voltage regulator integrates seamlessly into ABB excitation platforms and is suitable for long-term use in power generation plants, industrial facilities, and retr/it projects requiring reliable voltage control.
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 | 3BHE035301R0410 |
| 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 plants, supporting voltage regulation in thermal, hydro, and industrial power facilities
• 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
• Retr/it and modernization projects, replacing legacy ABB voltage regulators with seamless integration
Advantages
• High regulation accuracy, providing precise voltage control under varying load conditions
• Fast dynamic response, minimizing voltage deviation during sudden changes in system load
• Industrial-grade reliability, designed for continuous-duty operation in harsh electrical environments
• Stable closed-loop control, ensuring predictable system performance
• Seamless ABB integration, reducing engineering and commissioning effort
• Enhanced equipment protection, limiting electrical stress on connected devices
公司信息
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