Genmag AB
Genmag AB offers the KROM system, a measurement toolkit for air gap magnetic flux diagnostics in synchronous generators. Using Hall sensors and coils mounted on stator teeth, it detects faulty field windings and rotor eccentricity during full-speed rotation without disassembly. The platform includes educational videos, mounting instructions, and consulting support for rotor condition analysis.
- Data & Analytics
- Hardware
Funding
Founders
Founder details are not available yet.
Product
Problem
Synchronous generator operators lack practical, in-situ methods to detect faulty field windings and rotor eccentricity without disassembling the machine. Traditional tests like pole drop tests and RSO cannot identify winding shorts that only appear under centrifugal forces at full rotational speed. Undetected faults lead to vibrations, internal stator currents, shortened generator lifetime, and unexpected production trips.
Solution
KROM provides a complete measurement and analysis toolkit for air gap magnetic flux diagnostics in synchronous generators. The system uses Hall sensors mounted on stator teeth to measure radial flux density directly from rotor poles during rotation, producing flux density graphs that reveal the average flux density of each pole. Coils capture the rate of change in flux density between poles, providing additional diagnostic signal without complex calculations. Operators can perform measurements themselves with KROM equipment, then compare per-pole averages to verify field winding health. The platform includes explanatory videos, mounting instructions, analysis guidance, and consulting support to help users interpret their data and obtain actionable rotor condition answers.
Target Audience
Primary customers are owners, operators, and service providers of synchronous generators, including multinational power generation companies, utility companies, and generator maintenance firms that need practical rotor diagnostics without machine disassembly.
Features
- Hall-sensor-based flux density measurement mounted directly on stator teeth
- Coil-based sensors for measuring rate of change in flux density between poles
- Full-speed rotation testing that detects winding shorts caused by centrifugal forces
- Detection of dynamic eccentricity (whirling rotor) through varying air gap flux density
- Per-pole average flux density comparison for field winding health assessment
- Educational resources including explanatory videos, sensor mounting instructions, and documentation
- Consulting services for customers needing assistance with rotor diagnosis