The Perfect Combination: Sincro Engine & Alternator Selection Guide
Designing and manufacturing a reliable generator set always begins with the flawless compatibility of its main components. As an official supplier of Sincro® (Soga S.p.A.) solutions, we collaborate daily with design engineers and OEM manufacturers. We perfectly understand that calculating the precise coupling of an alternator with a prime mover is a task that requires time, deep expertise, and the consideration of multiple variables.
An error in power calculations can lead to voltage drops under peak loads, while an excessive power margin leads to an unjustified increase in the unit's dimensions and a decrease in its cost-efficiency.
To optimize the engineering process for our partners and clients, the manufacturer has prepared a compact and comprehensive technical manual:
What will you find in this guide?
The document is a highly convenient tabular Selection Guide that allows you to quickly determine the optimal prime mover parameters for the entire current range of sincro® synchronous alternators operating at 50Hz.
The data is structured into three main categories:
Portable and mobile solutions (2 poles, 3000 rpm):
Specifications for single-phase and three-phase alternators ranging from 1.2 kVA to 66 kVA (including series with both brushed and brushless AVR/capacitor excitation systems).
Industrial stationary power plants (4 poles, 1500 rpm):
Detailed specifications for equipment designed for continuous and standby power supply. The power range covers everything from compact 5.5 kVA models to heavy-duty industrial giants up to 2600 kVA.
Welders:
A dedicated section for developers of "2-in-1" engine-driven welders. It includes data on specialized Sincro® alternators (AC and DC) featuring welding currents from 130 to 500 A.
The key advantage of the guide: A focus on mechanical compatibility
In addition to the engine power requirements (in kW and HP) and alternator efficiency ratings, the manufacturer has included precise data on mechanical couplings. The guide immediately shows which flange standard (from SAE 6 to SAE 00) or shaft taper (IM B35, IM B34) is required for the selected model. This significantly reduces the time required for drawing approvals and minimizes risks during assembly.
Manufacturer's technical recommendation: This guide provides excellent guidelines for basic design. However, to ensure maximum reliability, it is always recommended to verify the recommended power indicated by the engine manufacturer and conduct bench tests on prototypes of your new genset.
Make your design process faster and more accurate. Explore the complete compatibility tables by downloading the file via the link below.
If you have any questions regarding availability, lead times, or the technical integration of specific Sincro alternator models, our specialists are always ready to provide professional support and assist you with your selection.
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