Multiple Ac Dynamo-Electric Motors Control TRIZ Cases

See how a control circuit uses an impedance-matched core with optimized windings to cancel moto

By splitting DC voltage across series-connected inverters, this rail traction case cuts converter weight and cost while improving efficiency and fault tolerance.

Temperature-based charge mode switching routes external charging through alternate motors and inverters to prevent thermal imbalance.

A DC link capacitor bank stores motor braking energy for reuse, cutting heat load, energy loss, and cooling demand in laser cutting drives.

Synchronized restart flags align vehicle control circuits during power latch, preventing unintended actuator state transitions and driver discomfort.

Shared H-bridge power electronics let steer-by-wire actuators drive multiple motors with fewer components, cutting steering column size and cost.

Opposite PWM polarity across parallel inverters cancels compensation currents, easing line filter load and extending component life.

Cooling-flow and temperature feedback let an electric PTO cut hydraulic power before inverter overheating causes refuse vehicle failures.

After lever inactivity and lock-lever raise, the controller cuts relay power to the driving unit to prevent unnecessary battery discharge.

Cooling fluid flow and inverter temperature are monitored to limit hydraulic output before electric PTO overheating causes shutdown.

Opposite PWM polarity across adjacent parallel inverters reduces compensating and leakage currents, helping extend mains filter life.

A vehicle control unit adjusts inverter and motor power from battery temperature and usable power to keep construction work within battery limits.

Detachable process modules between segmented power paths adjust voltage, frequency, and power while preserving safety and signal quality.

Direct electric drive replaces hydraulic transmission to improve crawler energy efficiency and enable precise power control for each track.

Direct electric drive with dual motors and inverters replaces hydraulic transmission to improve crawler energy efficiency and wheel power control.

A parallel voltage divider lets mining truck drive inverters use higher-voltage overhead lines without replacing existing motors and power electronics.

Circulating current in parallel inverters dissipates regenerated power through existing inverter and motor-coil paths, avoiding added brake hardware.

Mutual flag confirmation lets vehicle control circuits restart together during power latch, avoiding mismatched timing and unintended state changes.

Torque-triggered battery reconfiguration switches EV packs between series and parallel modes while limiting short circuits and capacitor in-rush currents.

A variable-resistance filter circuit detects DC bus fluctuations and adjusts impedance to suppress servo power path oscillation and noise.

Semiconductor-switched power sharing keeps motor sensor supplies alive after a voltage drop, improving control reliability without extra sensors.

Flow-based thermal control adjusts cooling and power output to keep an electric PTO inverter from overheating under heavy hydraulic demand.

Independent rotor control and heat-exchanger cooling balance thrust demand with motor temperature limits to prevent overheating in flight.

A shared controller and protection interface drives multiple three-phase fans independently while cutting board space, cost, and circuit count.

Master driver powers slave drivers via common DC bus to maintain frequency ratios, preventing yarn knotting during power loss.