Electric Power TRIZ Cases

Charge-discharge history corrects auxiliary battery resistance so backup power can be judged accurately despite polarization effects.

Hierarchical voltage monitoring detects arc faults in series battery stacks and isolates affected nodes to protect healthy batteries.

Fluid-driven turbine generation at the wellsite powers remote subsea equipment while avoiding long electrical umbilicals and their cost.

Partial DC-link precharge creates a controlled arc that burns off contact contamination while limiting inrush current and contactor aging.

Solar panels, mixed battery docks, outlets, and charge ports let one portable box charge varied batteries and power devices in remote locations.

A sealed external battery extender boosts runtime for wearable electronics without adding bulk to the host device or exposing contacts to dust and water.

Removable battery modules split portable backup power across locations, avoiding unsafe extension cables while keeping each unit independent.

A comparison circuit disconnects an over-discharged battery from the protection module for fast charge interruption and clear battery-state indication.

Peak-triggered rectifier switching with comparator delay cuts static power draw and improves weak wireless charging in implant devices.

A phase-change thermal buffer absorbs wireless charging heat near implants, helping prevent tissue burns and avoid battery replacement surgery.

State-based switching between power-loss and waveform-attenuation detection improves foreign object detection accuracy in wireless power transfer.

A capacitor and self-hold control shut off charging and enter sleep mode when a nailing gun switch jams, reducing power waste and battery damage.

A dual-bus DC/DC power circuit lets fewer battery banks support multiple UPS inverters, cutting cost while maintaining backup reliability.

A pre-connection voltage check keeps the battery switch off when reverse wiring is detected, protecting the power conditioner and battery unit.

Unbound particulate material and controlled clamping pressure let high-energy resistors be tuned accurately and hold resistance over time.

Adaptive output control selects a reference peripheral device to stabilize wireless power transfer and reduce energy waste across multiple chargers.

Independent control and identification logic let dual USB ports charge or discharge safely while preventing reverse voltage and port conflicts.

Data-pin voltage comparison sets safe charging power before high-power delivery, helping prevent terminal circuit overload.

RF power reception and onboard storage free an in-vehicle charger from fixed wiring while enabling inductive charging at flexible locations.

A staged partial pre-charge checks EV high-voltage faults before full contactor closure, reducing damage risk and extending component life.

Position- and route-based control shifts auxiliary load power between the fuel cell and battery to curb durability loss and keep supply stable.

A dedicated operation element powers the accessory supply directly, enabling navigation or multimedia use without starting the main vehicle system.

Wireless RF power transfer charges aerosol provision devices without plugs, with optional sensing to trigger charging only when the device is nearby.

A segmented battery module with isolated series cells and BMS-controlled conversion delivers DC, 1-phase, and 3-phase AC with safer service.

Time- and voltage-based charging prevents auxiliary power source overdischarge during vehicle startup while avoiding unnecessary main power use.

Identical zone controllers on a high-speed network replace heterogeneous ECUs, cutting harness complexity and easing OTA software updates.

Inductive coil coupling maintains alignment across a rotating boundary, enabling continuous signal transfer without mechanical fasteners.

Automatic battery voltage detection sends SMS low-power alerts and switches to a standby battery to help restart vehicles after long parking.

An extendable antenna boosts RF power harvesting for charging aerosol device batteries while preserving a compact form factor.

Forced airflow through housing vents cools a vehicle wireless charger, reducing charging heat and helping protect battery life.

Automatic charging-side protocol detection lets electronic devices identify a stylus communication protocol and avoid cross-brand compatibility delays.

Complementary electrical connectors secure the protective member, block dust, verify authenticity, and add charging or data functions.

Surface temperature sensing and power modulation help a wireless charging pad prevent battery overheating while maintaining charging efficiency.

Alternating battery sets keep a motor-driven alternator loop running continuously, addressing intermittent clean power without emissions.

A series PTC-NTC thermistor circuit limits battery charging inrush current across temperatures while avoiding the continuous loss of fixed resistors.

By splitting detection into subtasks between charging intervals, this case maintains real-time safety checks without interrupting wireless charging.

By moving ASK capacitor-switch networks parallel to the resonant capacitor, this case cuts rectifier interference, shutdown risk, and data loss.

A magnetic-field charging pad powers multiple mobile devices while receivers adjust voltage and current for portable, connector-free charging.

Automatic current cutoff between rectifiers and battery modules suppresses leakage current, improves charge uniformity, and avoids relay wear.

A wireless link across a physical barrier preserves overcurrent safety while enabling high-speed data exchange through a charging interface.

By reconfiguring capacitors and coils when rectified voltage rises, the receiver limits freewheeling transistor current during wireless charging.

A three-switch battery connection scheme shifts between parallel and series charging while keeping load voltage stable across charger types.

A single-output charger uses voltage-only control to charge multiple battery banks at once, cutting current-sensing complexity and cost.

A self-contained battery and inverter unit replaces fuel generators on vehicles, cutting emissions, fuel cost, and mechanical maintenance.

A bus manager switches emergency lighting between local and central batteries to extend battery use, cut replacement waste, and simplify maintenance.

Real-time conditioning need detection delays vehicle system shutdown only when required, reducing energy waste, wakeups, and component wear.

Charging settings adapt to tool, battery, and power-source data, improving battery health and charging efficiency under changing conditions.

Conditioning is triggered only when vehicle system state requires it, cutting energy use, wear, and shutdown delays while keeping systems ready.

A contoured charging surface matches wearable geometry to improve inductive coil alignment, charging efficiency, and touch-free control.

Two-stage capacitor charging and switchable current limiting help sleep-capable loads use more alkaline battery capacity with lower idle drain.