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AUTOMATIC VOLTAGE REGULATOR (AVR)
Taiyo Electric Co., Ltd., Japan.
New product
The Taiyo Electric ASC-62-2 Automatic Voltage Regulator (AVR) is a heavy-duty marine excitation controller developed by Taiyo Electric Co., Ltd., Japan. It automatically regulates generator output voltage by controlling the excitation current supplied to the alternator field winding, ensuring stable electrical power for critical shipboard systems.
The ASC-62 series has been widely installed on merchant vessels, offshore platforms, cargo ships, tankers, passenger ships, naval vessels, and marine auxiliary generators. Even after many years of service, these AVRs remain in operation on numerous ships due to their reliability, rugged construction, and ease of maintenance.
Manufacturer: Taiyo Electric Co., Ltd.
Country of Origin: Japan
Equipment Type: Automatic Voltage Regulator (AVR)
Marine Application: Generator Excitation & Voltage Regulation
The ASC-62-2 AVR continuously monitors generator terminal voltage and adjusts the excitation current supplied to the alternator. This ensures that voltage remains constant despite rapid changes in electrical load.
Without a properly functioning AVR, generator voltage may fluctuate significantly, potentially causing instability or damage to navigation equipment, automation systems, engine control systems, communication equipment, and other essential shipboard electrical loads.
The Taiyo ASC-62-2 typically consists of:
The Taiyo Electric ASC-62-2 is commonly used in:
The AVR receives a voltage feedback signal directly from the generator output. It compares the measured voltage with the preset reference voltage.
If generator voltage decreases:
If generator voltage increases:
This closed-loop regulation process maintains a stable voltage under all normal operating conditions.
Typical onboard faults include:
Before replacing the AVR, marine engineers should inspect:
Proper diagnosis often prevents unnecessary replacement of the AVR and helps identify faults elsewhere in the generator excitation system.
Regular preventive maintenance significantly extends the service life of the Taiyo ASC-62-2 AVR and helps ensure stable generator performance.
Recommended maintenance procedures include:
Proper maintenance minimizes unexpected generator shutdowns and improves the reliability of the vessel's electrical distribution system.
The Taiyo ASC-62-2 AVR is commonly integrated with:
SM MARINE SERVICE™ can assist with sourcing or supplying:
We supply New, Used, and Professionally Reconditioned equipment according to customer requirements and budget.
Our products and services support:
Although modern digital excitation systems are now available, thousands of ships worldwide continue operating with Taiyo Electric AVR systems because they offer:
Many vessels continue using the ASC series after decades of successful operation due to its dependable design and ease of servicing.
Yes. It remains installed on many merchant vessels, offshore vessels, and auxiliary generator systems.
Yes. In many cases, defective capacitors, resistors, semiconductors, or other electronic components can be repaired or replaced by experienced marine technicians.
Yes. Voltage settings should always be checked and adjusted after installation or repair to match the generator manufacturer's specifications.
Yes. When correctly configured within the generator excitation and synchronization system, it supports parallel generator operation.
Yes. SM MARINE SERVICE™ supplies New, Used, and Professionally Reconditioned Taiyo Electric AVR units subject to stock availability.
Yes. We provide worldwide shipping from our Bangladesh office and China warehouse.
Yes. We support customers with equipment sourcing, troubleshooting, spare parts, and technical assistance.
The Taiyo Electric ASC-62-2 Automatic Voltage Regulator (AVR) is a high-performance Japanese excitation controller designed for marine synchronous generators. It provides accurate voltage regulation, reliable excitation control, and dependable long-term operation, making it an ideal solution for replacement, repair, and maintenance of shipboard generator systems.
For safe installation and maintenance, engineers should consult:
Always verify generator wiring, field winding resistance, sensing voltage, and excitation output before replacing the AVR.
SM MARINE SERVICE™ is a trusted supplier of marine automation and electrical equipment for the global shipping industry.
We provide:
Bangladesh Office
Samir Market, DT Road, Pahartali, Beside CDA Market, Chattogram, Bangladesh
China Warehouse & Support Center
Shanghai, China
Products & Services
Website: www.smmarineservice.com
Email: info@smmarineservice.com
WhatsApp: +8801818929292
Marketing Contact: Nazmul Hasan Bhuiyan
The Taiyo Electric ASC-62-2 Automatic Voltage Regulator (AVR) is a proven and highly reliable marine generator excitation controller trusted across the maritime industry. Its precise voltage regulation, durable construction, and long operational life make it an excellent choice for maintaining stable electrical power onboard ships. Whether you require a replacement AVR, repair services, technical guidance, or genuine marine spare parts, SM MARINE SERVICE™ is ready to support your vessel with worldwide supply, professional service, and expert marine automation solutions.
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