Products Description
| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |
Technical Specifications
| Parameter | Description |
|---|---|
| Product Name | ABB UNITROL 1010 Automatic Voltage Regulator |
| Part Number | UNS 0121 A-Z, V1 |
| Product ID | 3BHE035301R0004 |
| Product Type | Digital Automatic Voltage Regulator (AVR) / Excitation Control Unit |
| Manufacturer | ABB |
| Series | UNITROL 1010 Excitation System |
| Function | Controls generator excitation current to maintain stable terminal voltage and provide automatic voltage regulation for synchronous generators |
| Application | Power Generation, Hydro Generators, Turbo Generators, Industrial Synchronous Machines, Small and Medium Generator Excitation Systems |
| Control Technology | DSP-based digital control with IGBT power electronics |
| Generator Voltage Input | 100–690 VAC, 50/60 Hz |
| Auxiliary Supply Input | 24–250 VAC/DC |
| Field Output Voltage | 10–250 V DC |
| Continuous Field Current | 8–10 A DC |
| Peak Field Current | Up to 16–20 A DC |
| Control Modes | Automatic Voltage Regulation (AVR), Power Factor Control, Reactive Power Control, Manual Excitation Control |
| Communication Interfaces | Ethernet, USB, and optional fieldbus communication |
| Protection Functions | Over-excitation protection, under-excitation protection, overload protection, short-circuit protection |
| Synchronization Function | Integrated synchronization support |
| Design | Compact modular excitation controller |
| Mounting Type | Cabinet mounting |
| Product Category | ABB Excitation System Spare Part |
| Dimensions | Approx. 210 × 120 × 260 mm |
| Weight | Approx. 3.0 kg |
FAQ
FAQ
Q1: What is the ABB UNS 0121 A-Z, V1 3BHE035301R0004?
A1: It is an ABB UNITROL 1010 automatic voltage regulator (AVR) used for digital excitation control and generator voltage regulation.
Q2: What is the main function of this unit?
A2: The unit controls the generator excitation current to maintain stable output voltage and improve generator performance under changing load conditions.
Q3: Is UNS 0121 A-Z, V1 a PLC module?
A3: No. It is not a PLC or DCS I/O module. It is an excitation controller / automatic voltage regulator used in generator excitation systems.
Q4: Which ABB system does this module belong to?
A4: It belongs to the ABB UNITROL 1010 excitation system platform.
Q5: What generators can use the UNITROL 1010 controller?
A5: It is designed for small and medium-sized synchronous generators and industrial rotating machines requiring precise excitation control.
Q6: What control modes are supported?
A6: It supports automatic voltage regulation (AVR), power factor control, reactive power control, and manual excitation control modes.
Q7: What protection functions are included?
A7: The controller provides generator protection functions including over-excitation, under-excitation, overload, and short-circuit protection.
Q8: What are the dimensions and weight of UNS 0121 A-Z, V1?
A8: The approximate dimensions are 210 × 120 × 260 mm, and the weight is approximately 3.0 kg.
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Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
