Electric Power TRIZ Cases

A wireless power receiver modifies its operational state based on authentication status to manage power delivery levels.

A battery charging system monitors discharge cycles and applies reverse current to restore charge while maintaining standby voltage.

Programmable gate drivers manage power switches in USB-PD systems, preventing heating and latch-up during rapid bulk capacitor discharge.

A wireless charging system uses load modulation to transmit authentication messages over the power channel.

A wireless power receiving device adjusts charging voltage via a control circuit to maintain stable power transfer.

A dynamic battery charging scheme adjusts energy supply based on real-time cell and ambient parameters.

A power source adaptor adjusts charging voltage dynamically using UART communication with the mobile terminal.

A battery charger uses pulse current modes to extend aircraft emergency battery lifespan.

A connection box merges battery and generator interfaces with automatic switching circuits to manage power transitions.

A foreign object detector measures input impedance changes across distinct frequencies to identify metallic objects between resonators.

Resonant circuits transmit pings at different frequencies to detect coil coupling, reducing power consumption and response delays from periodic pinging.

Wireless power transfer through an intermediary device extends usage duration while preventing overheating from large batteries in head-wearable displays.

A wireless power transmitter adapts charging rate and power levels based on real-time operating conditions.

A wireless power receiver re-establishes communication stacks using received energy to maintain control links.

A capacitor charging circuit employs a PTC thermistor to dynamically limit current, preventing overheating during high-cycle energy storage operations.

A battery charger uses an internal power storage device to deliver high C-rate charging currents independently of the external supply.

A relay device uses a discharge resistance and parallel switches to remove electric charge from a capacitor.

A portable power unit uses inductive transmission to recharge its internal battery while providing visual charge level feedback.

Bidirectional current converters isolate parallel energy storage modules to prevent capacity variations from degrading pack reliability.

A USB power supply apparatus calculates communication times to simultaneously drive multiple electronic devices with different voltage requirements.

Series-parallel MOSFET configuration with opposing body diodes reduces power loss while preventing premature discharge during short circuit failures.

A control circuit manages switch unit states using binary signals to establish power supply paths for load devices.

Processor adjusts limiting power supply and battery voltages based on real-time state to optimize charging speed.

An active control device reduces electromagnetic disturbances by switching main components to an intermediate state, replacing bulky passive filters.

An orientation adaptable antenna generates magnetic fields at various angles to support wireless power transfer.

Segmented chambers and wireless power transmission charge batteries inside sealed environments without compromising patient safety.

A transformer-less battery charger uses switch actuation to connect input terminals only when a battery pack is present.

Segmented voltage converting circuits aggregate current from multiple USB ports to bypass the 3A standard limit and accelerate charging speed.

A controller calculates weighted values from sensed contactor currents to determine optimal opening and closing sequences.

Alternating voltage pulses counteract electrode memory effects and maintain electrochemical equilibrium, increasing cycle lifetime by 250 percent.

RFID communication identifies the battery pack characteristics, allowing automatic voltage selection without manual configuration.

Concentric winding nesting minimizes magnetic leakage flux in electric vehicle transformers, reducing thermal loads.

Reversible switching members isolate electrodes during critical states, reducing fire risks while increasing device complexity.

A timer-controlled switch disconnects charger power draw after charging completes, eliminating standby current waste and battery degradation.

A voltage conversion circuit adjusts output current based on input voltage drop to optimize charging efficiency.

A DC-DC voltage converter uses a switching transistor to manage power flow between external sources and battery loads.