Electric Power Distribution TRIZ Cases

See how a thermoelectric heat pump integrated into cabin ductwork transfers heat between return

See how a thermoelectric heat pump integrated into cabin ductwork transfers heat between recirc

Low-pressure bleed air plus electrical cooling cuts fuel use, removes precoolers, and reduces thermal load in aircraft air conditioning.

Ground/flight switching connects stored electrical power to the thrust reverser only on the ground, avoiding oversized generators and in-flight deployment.

Paired battery packs use controlled bus disconnects to improve aircraft charging efficiency, fault isolation, and emergency shutdown safety.

Progressive device re-coupling after a network fault helps pinpoint and isolate faulted loads without shutting down healthy sections.

Distributed MMU and PMU monitoring detects battery faults and triggers high-voltage disconnect to prevent eVTOL pack damage.

Precharged and voltage-balanced capacitors deliver rapid shaft assist for aircraft maneuvers while reducing electrical losses, wear, and weight.

Three CAN bus bundles balance bandwidth and wiring length while preserving minimum acceptable flight control after any two bus failures.

Parallel distribution buses with switchable contactors isolate faults and keep aircraft electrical loads powered without extra battery mass.

A modular bracket with adjustable beam attachments fits multiple under-seat power box models and orientations while reducing seat-specific parts.

Adjusting motor current phase by flight and abnormal state boosts eVTOL torque without raising current, improving propulsion efficiency.

Multiple isolated battery circuits keep thrust balanced around the aircraft center of gravity during propulsion or battery failures.

Converter control drives negative sequence current to zero to bypass line faults, limiting heating and failures without shaft cutting.

An override switch relaxes battery power-reduction triggers to extend engine bus supply and reduce false trips in critical flight modes.

Sensor-based control limits propulsion current when aircraft high-voltage wiring nears its temperature limit, avoiding heavier oversized cables.

Selectable TVS shunting lets an aircraft DC bus adjust suppression thresholds during overvoltage events to protect onboard components.

Alternating parallel battery packs keeps voltage gaps within a threshold, avoiding lithium metal battery damage from low-rate discharge and high-rate charging.

Symmetrically arranged inverter and buck switches cancel out-of-phase common-mode signals, cutting EMI and reducing bulky filter needs.

Fast fault protection blocks the aircraft power converter, then opens the contactor to isolate the DC bus and prevent high-current damage.

Dynamic bus bar reference switching stabilizes hybrid aircraft voltage regulation across changing power flows and long cable runs.

Reconfigurable AC/AC conversion and shaft switching let hybrid turbomachines supply aircraft AC loads while using both high- and low-pressure shafts.

Independent light units use rechargeable capacitors to cut aircraft emergency lighting weight, wiring, and battery maintenance.

Cumulative electrical energy and switching time reveal real contactor wear, avoiding count-based replacement and reducing maintenance cost.

Heavy cooling hardware is shifted offboard while fluid circulation keeps batteries within charge-safe temperatures and helps prevent thermal runaway.

Controllable eVTOL power buses shed noncritical loads in emergency modes to preserve battery reserve for propulsion, avionics, and control.

Physical separation and parallel cell strings let one battery architecture supply HV propulsion and LV loads without converter-driven propagation.

Alternating conductive and insulating layers deform structured busbar walls to relieve thermal elongation, cut stress, and improve heat dissipation.

Blocking the aircraft power converter before opening the contactor contains capacitive fault currents and protects electrical components.

Critical failures are monitored with non-programmable hardware while other faults use software, reducing certification burden in electric aircraft.

A helical harness guide protects power and data wiring at a folding wingtip joint, handling motion, tight space, and mechanical strain.

A helical harness guide routes wiring through a folding wingtip joint, protecting power and data lines from strain, wear, and tight space limits.

A fluorosilicone sleeve separates moving wing tip harnesses with internal webbing to prevent abrasion, arcing, and space conflicts.

By linking winding midpoints to standard ground power, existing converters can step up voltage for aircraft loads and battery charging without added mass.

Selective switching isolates storage devices with different voltages to suppress excess current and keep the power supply stable.

A fluorosilicone sleeve separates aircraft wing-tip cable bundles to prevent arcing, resist abrasion, and fit redundant wiring in tight space.

Power distribution is paused after takeoff transition, then adjusted by battery pack state to limit SOC and temperature variation in eVTOL flight.

Independent battery buses power split propulsion units to preserve controlled flight after pack failure while avoiding diode losses and extra weight.

Isolated battery circuits and automatic contactor decoupling keep propulsion forces balanced after failures, preserving aircraft stability.

Grouped fan tilting and variable pitch enable VTOL thrust transition with fewer components while reducing single-fault risk.

Motor power commands are adjusted by battery state of charge to balance isolated aircraft batteries and extend effective flight range.

Precharge and voltage balancing let supercapacitor storage deliver fast shaft assist in hybrid aircraft engines with lower wear and loss.

Power lever and motor current thresholds trigger electric motor cutoff to prevent uncommanded torque acceleration during critical aircraft operation.

A relay-capacitor pre-charging circuit equalizes voltage across parallel battery packs to prevent overcharge and avoid manual balancing steps.

A coupling scheme lets one actuator tilt multiple VTOL fans, reducing components and weight while preserving redundant lift and cruise thrust.

Power lever angle and motor current thresholds trigger electric motor isolation to prevent uncommanded torque acceleration during flight.

Switchable HVDC paths engage DC-DC regulation only in generation mode, improving motoring efficiency while preventing battery overcharging.

Rigid conductors built into rotor coupling structures carry motor current and rotor loads, cutting wiring weight and assembly labor.

Separate storage paths and reverse-flow blocking keep critical loads powered while enabling generator restart and abnormal circuit isolation.

A dual-battery aircraft pack separates daily cycling from emergency backup to balance weight, cycle life, and maintenance burden.

A mixed tilting and lift propeller layout enables VTOL hover-to-cruise transition while reducing noise and preserving redundant thrust.

Power is redistributed among unit batteries during stable flight phases to limit SOC and temperature variation while avoiding control errors after takeoff.

A hardware authenticator verifies bus identifiers to switch high-voltage aircraft components securely without processor control or complex wiring.

A dual-channel fluorosilicone sleeve protects folding wing tip harnesses from motion, abrasion, and arcing while keeping high and low voltage lines separated.

Persistent lockout flags in a pack monitoring unit isolate faulty eVTOL battery packs before module failures can damage the aircraft.

Hierarchical nonlinear control keeps turbo-electric distributed propulsion stable and efficient across faults and changing mission loads.

Grouped electric thrust generators redistribute thrust after a subsystem fault to suppress yaw, avoid rudder drag, and keep flight efficient.

Segmented module and pack monitoring identifies critical battery conditions and isolates power to prevent eVTOL pack malfunctions.

A switchable annular power network isolates faulty motor units while keeping other multirotor propellers powered with less wiring weight and complexity.

Iterative energy storage models predict voltage or temperature thresholds to estimate remaining flight time and reachable range in aircraft.

Priority-based virtual load groups let rotorcraft shed noncritical electrical loads automatically during power reductions, easing pilot workload.

A composite contactor mounting post uses integral fins to conduct heat from internal bus bars to the exterior housing.

A linear amplifier converter modulates three-phase AC voltage and frequency to power emergency actuators without heavy filtering hardware.