Produkteinführung
The ABB UNS 0121 A-Z, V1 (3BHE035301R0003) Automatic Voltage Regulator is an industrial automatic voltage regulator designed for precise and reliable voltage control in ABB excitation and power regulation systems. It is developed to ensure stable voltage output, fast dynamic response, and consistent regulation performance in electrically demanding industrial environments.
This AVR operates based on closed-loop control principles, continuously monitoring voltage feedback signals and adjusting excitation output in real time. By responding quickly to voltage deviations caused by load changes or system disturbances, the UNS 0121 A-Z helps maintain system stability and protects connected electrical equipment.
Designed according to 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 operation in power generation and heavy industrial applications.
Produktspezifikationen
| Parameter | Beschreibung |
|---|---|
| Product Type | Automatic Voltage Regulator (AVR) |
| Hersteller | ABB |
| Modell | UNS 0121 A-Z |
| Version | V1 |
| ABB Artikelnummer | 3BHE035301R0003 |
| 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 von 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 |
| Gewicht | 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 retrvonit 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
Unternehmensinformationen
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