Precision Excitation & Stable Voltage Control for Industrial Power Systems
The ABB UN 1000b-Z,V104 3BHE014557R6104 Voltage Regulator is a high-performance industrial control component designed for precise voltage regulation and stable excitation control in power generation and heavy-duty electrical systems. Built within ABB’s UNITROL excitation platform, it ensures consistent voltage output, improved grid stability, and reliable operation of synchronous machines under varying load conditions.
Engineered for mission-critical energy environments, this voltage regulator delivers fast dynamic response, accurate voltage control, and long-term operational reliability. It is widely applied in systems where power quality, stability, and controlled excitation performance are essential.
Technical Specifications
| Parameter | Specification |
|---|
| Manufacturer | ABB |
| Model | UN 1000b-Z,V104 |
| Part Number | 3BHE014557R6104 |
| Product Type | Voltage Regulator |
| System Family | UNITROL Excitation System |
| Primary Function | Automatic Voltage Regulation (AVR) |
| Application Type | Synchronous Generator Excitation Control |
| Input Power | Industrial Control Supply |
| Output Control | Regulated excitation voltage signal |
| Operating Temperature | -20°C to +60°C |
| Humidity Range | 5% to 95% non-condensing |
| Protection Level | Industrial standard surge protection |
| Dimensions | Approx. 215 × 150 × 60 mm |
| Weight | Approx. 0.8 kg |
| Cooling Method | Passive cooling |
| Installation Type | Panel / Cabinet mounted |
Industrial Applications
The ABB UN 1000b-Z Voltage Regulator is widely used in high-reliability power and energy systems, including:
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Power generation plants
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Hydroelectric and thermal power stations
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Industrial synchronous generator systems
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Marine and offshore power systems
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Oil & gas energy infrastructure
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Heavy industrial electrical drives
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Grid stabilization systems
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Large-scale energy distribution networks
Its advanced excitation control capability ensures stable generator output and improved grid compliance under fluctuating load conditions.
Key Advantages
Stable Voltage Regulation Performance
Maintains precise output voltage levels even under dynamic load variations, ensuring consistent power quality.
Fast Dynamic Response
Provides rapid adjustment to system fluctuations, improving generator stability and reducing voltage deviation.
Industrial-Grade Reliability
Designed for continuous operation in demanding energy environments with strong resistance to thermal and electrical stress.
Enhanced Grid Stability Support
Helps maintain synchronized operation of power systems, improving overall grid performance.
ABB UNITROL Integration
Fully compatible with ABB excitation systems, enabling seamless integration into existing power control architectures.
Compact and Efficient Design
Space-saving structure allows easy installation inside control panels and excitation cabinets.
Technical FAQs
1. What is the main function of the ABB UN 1000b-Z voltage regulator?
It regulates excitation voltage for synchronous machines to maintain stable generator output.
2. Where is this module typically used?
It is used in power plants, industrial generators, marine systems, and energy infrastructure.
3. Is this part of an excitation system?
Yes, it belongs to ABB’s UNITROL excitation system family.
4. What type of machines does it support?
It is primarily used with synchronous generators ranging from medium to large power ratings.
5. Does it support automatic voltage regulation?
Yes, it provides automatic voltage regulation (AVR) functionality.
6. What is the operating temperature range?
It operates reliably between -20°C and +60°C.
7. Is it suitable for continuous operation?
Yes, it is designed for 24/7 industrial power system operation.
8. Does it require active cooling?
No, it uses a passive cooling design.
9. What industries use this regulator most?
Power generation, marine energy systems, oil & gas, and heavy industry.
10. Why is voltage regulation important in power systems?
It ensures stable output, protects equipment, and maintains grid reliability.
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