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The ABB UNC 4673A V1 is a dynamic Static Var Compensator (SVC) from the UNC Series designed to improve the power quality and stability of electrical systems by providing precise control of reactive power. This unit plays a vital role in regulating voltage and compensating for power fluctuations in industrial, grid, and high-demand applications. By integrating this unit into your power system, you can enhance efficiency, reduce energy losses, and improve the overall reliability of the grid or industrial system.
The UNC 4673A V1 offers an excellent solution for industries that require continuous voltage regulation, particularly where high fluctuations or sudden load changes occur. Its advanced control features ensure minimal disturbance to the system, providing both reactive power compensation and voltage stabilization.
| Parameter | Details |
|---|---|
| Model Number | ABB UNC 4673A V1 |
| Rated Power | 1500 kVA |
| Input Voltage Range | 380-480 V AC |
| Output Voltage | 690 V AC |
| Control System Type | Static Var Compensator (SVC) |
| Frequency Range | 50/60 Hz |
| Input Power Factor | ≥ 0.98 |
| Dimensions (L x W x H) | 1400 x 950 x 1300 mm |
| Weight | 3.30 kg |
| Environmental Temperature | -10°C to +50°C |
| Cooling | Forced air cooling |
| Communication Protocols | Modbus RTU, Ethernet, Profibus |
| Mounting Type | Floor mounting, or wall mounted |
| Certifications | CE, UL, RoHS |
The ABB UNC 4673A V1 is used in various industrial and grid applications where maintaining stable voltage and compensating for reactive power is crucial. Some of its key applications include:
Power Grids: The UNC 4673A V1 helps stabilize voltage levels in power grids, improving transmission and distribution efficiency by minimizing reactive power and voltage fluctuations.
Industrial Manufacturing: It is used in heavy industries, such as steel mills, cement plants, and chemical factories, to ensure that machinery operates within specified voltage ranges, minimizing wear and tear.
Renewable Energy: In solar or wind power plants, the unit helps manage the variable output from renewable sources, stabilizing voltage fluctuations and ensuring smooth grid integration.
Electric Railways: It stabilizes voltage in electrified rail systems, ensuring trains operate smoothly and efficiently, particularly in areas with high power demand.
Oil and Gas: The UNC 4673A V1 is essential for offshore oil rigs, refineries, and gas processing plants, where consistent power quality is needed for operational safety and efficiency.
Superior Dynamic Response: The UNC 4673A V1 features a rapid dynamic response to load fluctuations, ensuring that voltage remains stable even during significant power changes.
Energy Efficiency: By compensating for reactive power in real time, the unit reduces energy losses, making power systems more efficient and helping reduce operational costs.
Compact and Robust Design: Despite its high power rating, the unit’s compact design allows for easy installation in confined spaces, and its robust construction ensures long-term durability.
Advanced Control Algorithms: The unit is equipped with advanced algorithms that optimize the reactive power compensation process, ensuring that voltage stabilization is achieved with minimal power loss.
Flexible Integration: The UNC 4673A V1 supports multiple communication protocols, such as Modbus RTU, Ethernet, and Profibus, making it compatible with a wide range of control systems.
Brand: ABB
Series: UNC Series (Static Var Compensators)
Category: Power Quality & Reactive Power Compensation Systems
Here are five additional models from the UNC Series or similar units that can be used for reactive power compensation and voltage stabilization:
| Model | Rated Power | Dimensions (mm) | Weight (kg) | Input Voltage Range | Communication Protocols |
|---|---|---|---|---|---|
| ABB UNC 4673A V2 | 1500 kVA | 1400 x 950 x 1300 | 340 kg | 380-480 V AC | Modbus RTU, Ethernet, Profibus |
| ABB UNC 5673A V1 | 2000 kVA | 1500 x 1000 x 1400 | 400 kg | 380-480 V AC | Modbus RTU, Ethernet, Profibus |
| ABB UNC 3673A V2 | 1000 kVA | 1300 x 900 x 1200 | 290 kg | 380-480 V AC | Modbus RTU, Ethernet |
| ABB UNC 5673A V3 | 2000 kVA | 1500 x 1000 x 1400 | 420 kg | 380-480 V AC | Modbus RTU, Ethernet |
| ABB UNC 2673A V2 | 500 kVA | 1200 x 800 x 1100 | 240 kg | 380-480 V AC | Modbus RTU, Ethernet |
Here are five additional popular ABB models that are widely used for power quality management and reactive power compensation:
| Model | Rated Power | Dimensions (mm) | Weight (kg) | Input Voltage Range | Communication Protocols |
|---|---|---|---|---|---|
| ABB ACS580 | 0.75 to 160 kW | 240 x 180 x 320 | 6.5 – 25 kg | 380-480 V AC | Modbus RTU, Ethernet |
| ABB DCS800 | 50 to 2000 kVA | 650 x 600 x 340 | 45 – 200 kg | 380-480 V AC | Modbus RTU, CANopen |
| ABB ACS880 | 0.75 to 3200 kW | 320 x 220 x 400 | 15 – 70 kg | 380-480 V AC | Modbus RTU, Profibus |
| ABB Emax 2 | Up to 6300 A | 600 x 400 x 240 | 60 – 150 kg | 380-480 V AC | Modbus RTU, Ethernet |
| ABB PQC 2000 | 2000 kVA | 1200 x 800 x 1200 | 250 kg | 380-480 V AC | Modbus RTU, Ethernet |
Q: What is the primary function of the ABB UNC 4673A V1?
A: The ABB UNC 4673A V1 is designed for reactive power compensation and voltage regulation, ensuring stable voltage and improving power quality in industrial systems and power grids.
Q: What industries benefit most from the ABB UNC 4673A V1?
A: The unit is ideal for industries such as power generation, renewable energy, heavy manufacturing, electric railways, and oil and gas where stable voltage and power quality are crucial.
Q: How does the ABB UNC 4673A V1 handle reactive power?
A: The unit compensates for reactive power in real-time, stabilizing voltage levels and ensuring smooth operation of sensitive equipment across various industrial and grid applications.
Q: What is the rated power of the ABB UNC 4673A V1?
A: The unit has a rated power of 1500 kVA, making it suitable for medium to large-scale applications that require consistent voltage regulation.
Q: What communication protocols does the ABB UNC 4673A V1 support?
A: The unit supports Modbus RTU, Ethernet, and Profibus, ensuring easy integration into existing industrial control and automation systems.
Q: What are the physical dimensions of the ABB UNC 4673A V1?
A: The unit’s dimensions are 1400 x 950 x 1300 mm, making it compact enough for installation in most industrial environments while still offering powerful performance.
Q: How does the ABB UNC 4673A V1 contribute to energy efficiency?
A: By stabilizing voltage and compensating for reactive power, the unit reduces energy loss and enhances the overall efficiency of power systems, leading to cost savings.
Q: Is the ABB UNC 4673A V1 suitable for outdoor installation?
A: The unit is designed for indoor use and should be installed in environments where it is protected from extreme weather conditions.
Q: What is the operating temperature range of the ABB UNC 4673A V1?
A: The unit operates within a temperature range of -10°C to +50°C, making it suitable for a wide range of industrial environments.
Q: What is the weight of the ABB UNC 4673A V1?
A: The unit weighs 330 kg, providing a balance between robustness and ease of installation.