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AUTOMATIC VOLTAGE REGULATOR (AVR)
BASLER
New product
The Basler Electric SR8A-2B15B3A Static Voltage Regulator is a heavy-duty Automatic Voltage Regulator (AVR) designed to maintain stable generator output voltage by controlling generator excitation current. Developed by Basler Electric, a globally recognized manufacturer of generator control and excitation products, the SR8A series is widely used in marine, offshore, and industrial power generation systems.
Onboard vessels, reliable voltage regulation is critical for maintaining the performance of navigation systems, communication equipment, automation systems, cargo operations, engine monitoring systems, and safety equipment. Voltage fluctuations can damage sensitive equipment and reduce overall power system reliability.
The SR8A-2B15B3A continuously monitors generator voltage and adjusts excitation output to maintain precise voltage regulation under varying load conditions. Its rugged construction makes it suitable for marine environments where vibration, temperature changes, humidity, and electrical disturbances are common.
The unit is commonly installed in generator control panels and power management systems on commercial ships, offshore platforms, and industrial facilities where dependable electrical power is essential.
The Basler SR8A series belongs to the well-established family of static voltage regulators designed for synchronous generators. The SR8A-2B15B3A model provides accurate voltage control by regulating field current supplied to the exciter or generator field winding. The system supports brushless generators, rotary exciters, and direct excitation applications.
According to Basler SR8A documentation, the regulator is designed using solid-state electronic components including SCRs, transistors, transformers, diodes, resistors, and capacitors. The design contains no electrolytic capacitors, improving long-term reliability under marine operating conditions.
The model designation "2B15B3A" identifies specific factory-installed options including paralleling provisions, build-up relay functionality, selectable sensing configuration, protective cover arrangement, and voltage adjustment features.
This AVR is commonly found in marine diesel generator systems supplying power to:
The SR8A regulator maintains generator output voltage with high accuracy, helping protect sensitive marine electronic equipment from voltage fluctuations and instability. Voltage regulation performance is typically better than ±0.5% under normal operating conditions.
The regulator is designed to withstand vibration, shock, humidity, and temperature variations commonly encountered onboard vessels. This makes it suitable for long-term operation in demanding marine environments.
The AVR controls field excitation current to ensure proper generator performance during changing load conditions. This improves generator stability and power quality throughout the vessel electrical network.
The unit includes provisions for generator paralleling applications, supporting load sharing and coordinated operation of multiple generators within marine power management systems.
The regulator offers rapid response to load changes, reducing voltage dips and improving power system stability during sudden load applications.
Basler's solid-state architecture provides improved reliability and lower maintenance requirements compared with older electromechanical voltage regulation systems.
| Parameter | Specification |
|---|---|
| Manufacturer | Basler Electric |
| Model | SR8A-2B15B3A |
| Product Type | Static Voltage Regulator |
| Application | Generator Excitation Control |
| Frequency | 50/60 Hz |
| Sensing | Selectable Configuration |
| Excitation Control | Automatic |
| Voltage Regulation | Better than ±0.5% |
| Generator Type | Synchronous Generator |
| Environment | Marine and Industrial |
| Installation | Generator Control Panel |
| Condition Available | New, Used, Reconditioned |
Typical SR8A Series Ratings:
| Specification | Value |
|---|---|
| Input Power | 190–277 VAC |
| Output Power | 125 VDC at 7A Continuous |
| Forcing Capability | Up to 180 VDC at 10A |
| Operating Frequency | 50/60 Hz |
| Response Time | Less than 20 ms |
| Operating Temperature | -55°C to +70°C |
Specifications may vary depending on the exact SR8A configuration. Refer to official Basler documentation for verification.
Used in auxiliary and main generator systems supplying power for cargo handling equipment, navigation systems, and vessel services.
Provides stable generator voltage regulation for cargo operations, engine room systems, and accommodation power distribution.
Ensures reliable voltage regulation for cargo pumps, monitoring systems, and hazardous-area electrical installations.
Supports stable power generation for automated cargo handling and process control systems.
Used in high-reliability electrical power generation systems supporting LNG cargo operations.
Provides precise voltage control for electrical systems and cargo-related equipment.
Widely used in offshore power generation systems requiring continuous and dependable voltage regulation.
Supports electrical power generation for hotel loads, navigation systems, entertainment systems, and safety equipment.
Maintains stable electrical power for scientific instruments and laboratory equipment.
Provides dependable generator voltage control for modern fishing vessel electrical systems.
SM MARINE SERVICE™ supplies spare parts and replacement units for:
Both New Equipment and Reconditioned Equipment are available depending on customer requirements and budget.
SM MARINE SERVICE™ provides complete support services including:
Our engineering team supports marine operators worldwide with technical expertise for generator control and excitation systems.
SM MARINE SERVICE™
Bangladesh Office
Samir Market, DT Road, Pahartali, Beside CDA Market, Chattogram, Bangladesh
China Warehouse and Support Center
Shanghai, China
SM MARINE SERVICE™ supplies both New Equipment and Reconditioned Equipment depending on customer requirements and budget.
We provide worldwide supply, sourcing, repair, calibration, technical support and spare parts services for marine automation, navigation, communication and marine electronic systems.
Website : https://www.smmarineservice.com
Email : info@smmarineservice.com
WhatsApp and Viber : +8801818929292
Marketing Contact: Nazmul Hasan Bhuiyan
Mobile WhatsApp and Viber : +8801730296909
Relevant technical resources include:
The SR8A instruction manual provides detailed information regarding specifications, installation, troubleshooting procedures, and optional accessories.
The Basler Electric SR8A-2B15B3A Static Voltage Regulator remains one of the most reliable AVR solutions for marine and industrial generator applications. Its robust design, accurate voltage regulation, fast response characteristics, and proven field performance make it an excellent choice for shipboard power generation systems.
For Basler SR8A-2B15B3A supply, repair, calibration, troubleshooting, spare parts support, technical consultation, New Equipment, Used Equipment, and Reconditioned Equipment, contact SM MARINE SERVICE™. We provide worldwide sourcing and technical support for generator excitation systems, automatic voltage regulators, marine power management systems, and marine electrical automation equipment.
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