Product Model:
DB021BE-GDB021BE01-HIEE300766R0001

Product Parameters:

• Input Voltage: 24 VDC¹
• Output Voltage: 24 VDC¹

• 

  DB021BE-GDB021BE01-HIEE300766R0001

• Output Current: 20 A¹
• Power: 480 W¹
• Efficiency: >90%¹
• Working Temperature: -20°C to +60°C¹
• Storage Temperature: -40°C to +85°C¹
• Enclosure Protection Class: IP20¹

Product Specifications:

• Size: 110 mm x 60 mm x 25 mm¹
• Weight: 200 g¹
• Material: Aluminum Alloy²
• Product Series: Part of ABB AC 800M Control System, which is a modular and scalable control system suitable for various industrial applications¹

Features:

• Automatic Synchronization: Monitors voltage and frequency in the power system and automatically synchronizes generators with other generators or the grid when conditions are met²³.

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  DB021BE-GDB021BE01-HIEE300766R0001

• Synchronization Protection: Equipped with various synchronization protection functions to safeguard generators and the power system from potential faults and damages²³.
• User-Friendly Interface and Monitoring: Displays real-time parameters of generators and the power system, providing operational instructions and alarm information².
• Programmability and Flexibility: Allows users to set parameters and program logic based on specific application requirements².
• Modbus Protocol Support: Enables remote communication and device inquiry via RS485, and optional Ethernet connectivity³.

Functions:

• Generator Synchronization Control: Controls the synchronization of generators with other generators or the grid in the power system³⁶.
• Monitoring of Voltage and Frequency: Monitors voltage and frequency in the power system³.

Application Areas:

• Power System Synchronization: Ensures generators operate synchronously with the grid, crucial for maintaining power system stability and preventing loss of synchronization⁴.
• Power Plants: Ensures synchronization of generators within the plant and with the grid, contributing to power system stability and preventing power fluctuations and voltage instability¹.
• Power Dispatch and Control: Plays a key role in power system dispatch and control, ensuring coordination between generators and the grid to meet power demand⁴.
• Power Load Balancing: Helps achieve load balancing in power systems, ensuring balance between generator output and power demand¹.
• Power Network Stability: Enhances power system stability by ensuring generator synchronization with the grid, reducing power fluctuations and instability⁴.
• Large Industrial Equipment: Used to coordinate and synchronize different power units in large industrial equipment requiring high-power sources⁴.

Please note that the information provided is based on the search results and may not be comprehensive. For more detailed and up-to-date information, it is recommended to consult the official ABB product documentation or contact ABB’s technical support team.