Sincro SK355 4-pole Alternators Synchronous Brushless/AVR (1500-1800 rpm)

Sincro SK355 Series Alternators

4-Pole Synchronous Brushless/AVR | 400-800 kVA | 50Hz/60Hz |  1500/1800 rpm

High-Performance Power Generation for Enterprise-Scale Applications

The Sincro SK355 series represents the pinnacle of medium-to-high power synchronous alternator technology. With its new design optimized for exceptional performance, this series delivers reliable power generation for the most demanding industrial and commercial applications, ranging from 400 to 800 kVA at 50Hz.

Core Specifications

Design Architecture

• Type: Synchronous low voltage AC alternators

• Configuration: 4-pole brushless with Automatic Voltage Regulation (AVR)

• Power Range: 400-800 kVA at 50Hz

• Standards Compliance: EN 60034-1, IEC 60034-1, ISO 8528-3

• Protection Rating: IP23 standard

• Bearing System: Heavy-duty dimensioned bearings for extended operational life

• Winding Pitch: 2/3 for minimal harmonic distortion

Performance Parameters

• Short Circuit Current: > 300% of rated current (In)

• Total Harmonic Content: < 2%

• Telephone Harmonic Factor: < 2%

• Transient Response: Voltage drop less than 18% for rated step load at 0.8 power factor

• Underspeed Protection: Included in standard version

• Tropicalization: Standard on all models

• Permanent Magnet Generator (PMG): Available on request for enhanced excitation performance

Applications

The SK355 series is engineered for mission-critical power applications requiring substantial capacity:

• Data Centers: Tier III and Tier IV facilities requiring high-reliability backup power

• Healthcare: Major hospitals and medical complexes with extensive critical systems

• Industrial Manufacturing: Large-scale production facilities with high power demands

• Commercial Complexes: Shopping centers, office towers, and multi-use developments

• Water Treatment: Municipal water and wastewater processing facilities

• Telecommunications: Major switching centers and network hubs

• Mining Operations: Processing plants and critical infrastructure

• Event Venues: Stadiums, convention centers, and large entertainment facilities

Engineering Advantages

Superior Power Quality

The SK355 series delivers exceptional power quality with total harmonic distortion below 2%, ensuring compatibility with sensitive electronic equipment and mission-critical systems. The 2/3 pitch winding design significantly reduces harmonics, while the advanced AVR system maintains precise voltage regulation under varying load conditions.

Robust Mechanical Construction

Engineered for durability in demanding environments, the SK355 incorporates heavy-duty bearings and industrial-grade components to ensure reliable operation and extended service life. The standard IP23 protection safeguards critical internal components from environmental factors.

Enhanced Thermal Management

Advanced thermal engineering enables operation in challenging ambient conditions while maintaining optimal performance. The thermal design accommodates sustained high-load operation without compromising reliability or service life.

Versatile Configuration Options

The SK355 series offers multiple power ratings within the 400-800 kVA range to precisely match application requirements. Compatible with various prime movers and control systems, the series provides exceptional flexibility for system integrators and end-users.

Electrical Resilience

With short circuit current capability exceeding 300% of rated current, the SK355 provides robust fault handling characteristics essential for reliable protection system operation and electrical system stability.

Mechanical Integration

Designed for straightforward integration with diesel engines and other prime movers through standardized SAE couplings. The optimized footprint maximizes power density while ensuring proper serviceability access.

Electrical Connection

The terminal box provides convenient access for power cable connections, with options for auxiliary connections and monitoring systems integration. Standard connection arrangements simplify installation and commissioning procedures.

Control System Compatibility

Fully compatible with industry-standard generator control modules and power management systems, enabling seamless integration into both standalone and paralleling power generation systems.

Service & Support

Global Network

Sincro’s worldwide service network provides comprehensive support throughout the product lifecycle, from initial specification to commissioning and ongoing maintenance.

Documentation

Complete technical documentation includes detailed installation guides, operation manuals, and maintenance procedures in multiple languages.

Warranty

All SK355 alternators are backed by Sincro’s comprehensive warranty program, reflecting our confidence in the design, manufacturing, and performance of these advanced power generation solutions.

Conclusion

The Sincro SK355 series represents the culmination of advanced alternator design, delivering exceptional performance, reliability, and efficiency for demanding power generation applications. With power ratings from 400 to 800 kVA, superior harmonic performance, and robust mechanical construction, the SK355 series meets the needs of the most demanding enterprise-scale power generation requirements.

Contact your Sincro representative today to determine the optimal SK355 configuration for your high-capacity power generation needs.