The ABB Unitrol 1020 is a well-known automatic voltage regulator (AVR) used in various industrial applications to ensure stable and reliable voltage levels.

### Product Name:

**ABB Unitrol 1020 UNS0119A-Z, V1 (3BHE030579R0003)**

### Product Description:

The ABB Unitrol 1020 is designed as a highly versatile automatic voltage regulator that facilitates effective voltage control in synchronous generators and other electrical power systems. The module is characterized by its sophisticated control algorithms, real-time response capabilities, and advanced monitoring features. It provides excellent voltage regulation performance, ensuring minimal voltage fluctuation even in variable load conditions.

### Product Parameters:

– **Input Voltage Range:** Typically ±10% around the nominal voltage.
– **Frequency Range:** Suitable for applications operating at 50 Hz or 60 Hz.
– **Control Mode:** Synchronous control, reactive power control, and other operational modes.
– **Monitoring Features:** Real-time display of voltage, current, power factor, and other electrical parameters.

### Specifications:

– **Nominal Power:** Varies based on application (typically designed to match generator ratings).
– **Temperature Range:** Operates effectively in conditions ranging from -20°C to +60°C.
– **Dimensions:** Specific dimensions may vary; typically designed for compact installations.
– **Weight:** Relatively lightweight for easy installation; specifics depend on the version.
– **Communications:** May have integrated communication protocols (like Modbus or Profibus) for integration with larger systems and remote monitoring.
– **Protection Features:** Over-voltage, under-voltage, short circuit, and phase failure protection.

### Product Use:

The ABB Unitrol 1020 is used predominantly in:

– **Power Generation:** For stable output voltage from generators in power plants.
– **Industrial Applications:** In various factories where power quality is critical, particularly for sensitive machinery.
– **Renewable Energy Systems:** Such as wind and solar power installations to maintain voltage stability.
– **Utility Applications:** For voltage regulation in transmission and distribution networks.

### Summary:

The ABB Unitrol 1020 (3BHE030579R0003) is an essential component for ensuring the reliability of electrical systems through automatic voltage regulation and protection. Its advanced features and robust performance make it suitable for a wide range of industrial applications, ensuring that equipment operates efficiently and safely.

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