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AC Alternator STC Series

Designed for universal power generation scenarios, STC Series AC Alternators offer stable voltage output and excellent load-bearing performance for reliable operation across all working conditions. Boasting a sturdy simple structure, easy installation and hassle-free maintenance, these cost-effective alternators are ideal matching parts for commercial, residential and engineering generator units.
 
- Sturdy structure with pure copper winding and rigid base frame for extended service life
- Standard protection grade suitable for harsh industrial and construction environments
- High generating efficiency with compact, lightweight design for easy installation
- Simple internal layout and universal spare parts for low maintenance costs
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Sturdy Structure, Long Service Life

Our STC series brush alternator is equipped with pure copper winding and heavy-duty rigid base frame, manufactured under strict production standards to ensure low overall failure rate. This reliable synchronous alternator features long designed service life and supports long-hour continuous running for all kinds of diesel generator set projects.

Standard Protection Grade & Wide Compatibility

As a widely used generator head for diesel engines, this brush type AC alternator meets standard protection requirements, perfectly adapting to industrial workshops, construction sites and other harsh working conditions. It can be quickly matched with various diesel engines to assemble complete generator sets efficiently.

Energy Saving & High Cost Performance

This compact and lightweight STC AC alternator delivers stable power output with high generating efficiency. It is a highly cost-effective generator alternator specially designed for small and medium commercial, civil and engineering power supply scenarios.

Simple Internal Layout, Low Maintenance Cost

Featuring reasonable streamlined internal structure, our brush synchronous alternator only needs regular inspection and lubrication for daily maintenance. With highly universal spare parts that are easy to purchase and replace, it greatly saves your later maintenance time and operational costs for generator units.

Sturdy Structure, Long Service Life

Engineered for demanding continuous operations, our STC series brush alternator is built upon a foundation of uncompromising structural integrity. The heavy-duty rigid cast-iron base frame provides exceptional stability, effectively dampening mechanical vibrations and anchoring the unit firmly during intense, round-the-clock operational cycles. Inside the casing, the tightly coiled pure copper winding offers superior thermal conductivity and minimal electrical resistance, ensuring the generator head remains cool to the touch even under prolonged, heavy loads. We manufacture these synchronous alternators in advanced facilities fully certified by ISO9001 and CE international standards. Before any unit is cleared for dispatch, it is subjected to a punishing sequence of evaluations on the factory floor, including rigorous no-load testing, full-load verification, and a demanding 10% overload stress test. This exhaustive quality control protocol guarantees absolutely zero-defect delivery. Backed by decades of manufacturing expertise and a highly modernized production line, our facility possesses the extensive supply chain capacity to fulfill massive volume orders with absolute punctuality, ensuring your critical project timelines are consistently met.

Standard Protection Grade & Wide Compatibility

As a widely specified generator head for diesel engines, this brush type AC alternator meets strict standard protection requirements, adapting effortlessly to the most unforgiving working conditions. The exterior features a thick, industrial-grade protective coating that feels smooth yet aggressively resists flaking, chemical exposure, and environmental corrosion.

  • Extreme Environmental Adaptability: Designed with a reliable IP21 drip-proof enclosure, the unit maintains stable electrical output across freezing temperatures, high-altitude installations, heavy ambient humidity, and abrasive, dusty construction sites.

  • Versatile Engine Matching: It can be quickly and securely coupled with a vast array of diesel engines, allowing assembly teams to construct complete, ready-to-deploy generator sets with exceptional efficiency.

  • Intelligent System Integration: The electrical architecture is fully compatible with modern Automatic Voltage Regulators (AVR) and intelligent Programmable Logic Controller (PLC) panels.

  • Advanced Remote Management: Operators can easily link the alternator to centralized remote monitoring networks, facilitating automated grid management, load sharing, and synchronized running without requiring constant on-site manual intervention.

Energy Saving & High Cost Performance

This compact and lightweight STC AC alternator delivers exceptionally stable power output combined with high generating efficiency. By minimizing internal mechanical friction and optimizing the magnetic field distribution, it converts mechanical energy into electrical power with minimal thermal loss. This efficiency directly reduces operational fuel expenses over the lifespan of the equipment. The unit operates with a steady, reassuring hum, completely devoid of the erratic rattling often found in inferior models.

Flexible Customization Capabilities: To accommodate specific project budgets and complex technical configurations, we offer extensive OEM and ODM services. Clients can specify their preferred internal coil materials, selecting either 100% pure copper for maximum conductivity and extended longevity, or specialized copper-aluminum blends designed for unique weight-restricted applications.

Economical Power Solution: It is a highly cost-effective generator alternator specially designed for small and medium commercial facilities, civil engineering sites, and prime power supply scenarios. The compact footprint also reduces shipping and warehousing expenses. The perfect balance of a modest initial investment and enduring electrical performance makes it an exceptionally prudent choice for large-scale fleet deployments.

Simple Internal Layout, Low Maintenance Cost

Featuring a highly reasonable, streamlined internal structure, our brush synchronous alternator simplifies the daily reality of equipment maintenance. Technicians will appreciate the smoothly hinged access panels that reveal a logically arranged brush and slip-ring assembly, making visual inspections, carbon brush replacements, and routine cleaning incredibly straightforward, even for newly trained operators.

To further support your field operations, we provide comprehensive, standardized maintenance guidelines. For example, the system follows a clear 3,000-hour bearing lubrication cycle, and we supply rapid troubleshooting protocols specifically tailored for the self-excitation system. This proactive approach drastically cuts down on lifetime operational downtime.

With highly universal spare parts that are easy to purchase and replace globally, it greatly saves your later maintenance time and operational costs for generator units. Furthermore, every alternator is backed by a definitive warranty covering 12 months or 1,000 running hours. Combined with a responsive global technical support network, facility managers can operate these power units with complete confidence, knowing that expert assistance is always within reach.

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Yingtai Group Co., Ltd. is a national standard drafting genset manufacturer, supplying 3kW–3000kW generators with world-famous engine partners.

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