Synchronous Generators TRIZ Cases

See how a Y-configuration stator with segmented coil taps delivers 25%, 50%, 75%, and full volt

Series-parallel field winding switching helps a brushless alternator limit overheating at low RPM and high electrical load.

By placing the magnetic core between the bearing shield and bearing, this case cuts installation space while preserving inductive energy transfer.

A two-housing resistor assembly replaces soldered joints and crack-prone ceramic parts to maintain a stable rotor grounding path.

A reversibly coupled shaft journal lets brushes contact slip rings only during rotor energization, cutting wear, friction, and operating losses.

Adjustable resistor paths balance current across dynamoelectric machine brushes to prevent overheating, flashovers, and uneven brush wear.

Axially segmented slotless flux circuits cut slot harmonics and torque ripple while removing sliprings in a bipolar induction machine.

Angularly offset magnets and iron cores balance magnetic attraction, cutting rotation resistance while preserving generator output.

A radial stacked-diode rectifier layout with dummy balancing assemblies cuts shear stress and supports higher generator rotor speeds.

Counter-rotating rotors and magnetically supported flywheels raise generator output at lower rotor speeds while reducing bearing wear and frequency drift.

Asymmetric coil end cover weighting balances a field-winding rotor with a circuit module, reducing vibration and noise during rotation.

Laminated copper ring sections and solid connectors reduce DFIG neutral ring strain, fractures, and arcing while enabling up-tower repair.

Bilateral cooling ducts and non-magnetic shims help a wound-rotor synchronous machine raise torque density while easing assembly and heat loss.

By nesting the field coil inside the rotor cavity, this alternator keeps brushless reliability while fitting tight engine spaces without losing output.

Combining permanent magnet generation with solar, wind, and water input, this power pod improves off-grid reliability with lower noise and cost.

A divided hollow tube positions each phase conductor inside the rotor shaft, enabling replacement without hardened filler or rotor removal.

Embedded flow guide segments replace permanent magnets in an encapsulated rotor, cutting motor cost and production waste while maintaining torque.

Coordinated stator and rotor armature phase angles raise torque density while spreading copper loss and preserving fault-tolerant operation.

Timed switching of electrical brushes keeps current density in range, reducing overheating, glazing, and flashover risk in dynamoelectric machines.

A rectifier board mounted on the end plate and a contactless transformer simplify rotor assembly, reduce size, and improve cooling.

A dual-coil electrical machine switches between motor and generator modes, using a flywheel to sustain speed and supply power with fewer components.

Hybrid permanent, DC, and AC magnets enable non-contact charging and field-current control in superconducting rotors while avoiding brush maintenance.

Co-located phase-shifted stator windings share slots to cut DC-Link ripple, torque ripple, harmonic content, and generator weight.

Phase-shifted dual three-phase star-delta windings suppress MMF harmonics, cutting losses, torque ripple, and demagnetization risk.

A transverse rectifier inside a hollow shaft cuts centrifugal stress and improves cooling for inductively excited synchronous rotors.

Polarity is encoded in resolver sine and cosine signals, enabling one resolver to support multiple converters without extra channels.

A common external signal lets multiple generators synchronize in parallel before bus connection, cutting outage time and breaker operations.

Impedance measurement between generator and consumer terminals verifies power quality and compatibility without costly phase adjustment.

Field-current control and segmented waveform conversion keep generator output frequency constant at variable engine speeds, cutting fuel use and wear.

A shared rotor core nests the PMG and exciter to cut axial space, rotating mass, and mounting complexity in generator excitation.

A V-shaped paired rotor coil layout concentrates magnetic flux inwardly, raising air-gap flux density and torque with minimal motor changes.

A two-stage aircraft generator uses a PM exciter and rotating AC/DC/AC converter to hold output frequency without a heavy constant speed drive.

Dynamic pole and phase reconfiguration with wound poles and reluctance barriers improves synchronous machine efficiency across wide speed ranges.

Coaxial superconducting flux barriers and passage zones lower armature flux minimum while preserving peak flux to raise torque and power output.

Embedded liquid coolant conduits in a 3D-printed generator rotor improve heat dissipation while supporting both wet and dry cavity layouts.

A curved-pole rotor and concentric stators use variable and uniform airgaps to raise generator output and cut harmonic distortion.

A two-phase discharge path uses unidirectional switches and a resistor to dissipate coil energy while reducing arcing, wear, and voltage stress.

A four-phase stator with eight slots and alternating pole activation cuts vibration and energy loss while maintaining electrical output.

A reluctance torque tunnel and coil winding assembly replace permanent magnets to cut rare-earth cost while improving torque density and efficiency.

Placing the end-busbar inside the hollow rotor shaft secures the winding connection, saves space, and improves load distribution.

A stationary DC field winding and axially offset magnetic shaft poles remove rotating exciter electronics to improve generator reliability and simplify manufacture.

Stored flywheel energy and a synchronous machine crank the engine quickly, cutting starter components, delays, and battery dependence.

Alternating brush groups keeps current density within range, reducing overheating, poor film development, and flashover in dynamoelectric machines.

By aligning generator phase during water-flow acceleration, this case cuts hydraulic turbine grid coupling time from 90 to 60 seconds.

Rotating coil and magnet plates generate and store power without external charging, improving portable power availability during movement.

A shared virtual AC reference lets multiple synchronous generators match voltage, frequency, and phase in parallel, cutting restoration time and surge risk.

A continuous collar and support disc structure restrains high-speed rotor end turns, cuts windage losses, and improves coolant-driven heat removal.

Segmented collars and a coolant distribution ring support rotor end turns, cut windage losses, and improve cooling at high speed.

Liquid coolant is routed through coil support rings and a disc to cool rotor end turns and stator windings without enlarging the machine.

Multiple magnetic torque tunnels raise flux and torque density while cutting energy use and rare earth dependence in switched reluctance machines.

A series signal coil and stator magnetic sensor enable contactless rotor current feedback for stable, adjustable synchronous machine operation.

Multiple superconducting axial-flux rotors cut minimum magnetic flux and raise torque by improving flux modulation in cryogenic machines.

By deriving maximum line-to-line voltage from phase voltages, the controller sustains load-off stability with a single exciter control loop.

Separate excitation and power windings let the converter handle excitation only, cutting starter-generator weight, volume, and cost.

Axial cuts on rotor main poles offset magnetic flux interruption timing, canceling first and second torque ripples to improve NV characteristics.