Electric Devices TRIZ Cases

Segmenting the negative power path with a single diode reduces voltage drop during engine starting, enabling reliable diagnosis of ground connection losses.

Dynamic threshold adjustments resolve stability sensitivity contradictions during network faults while maintaining generator protection.

A non-contact sensor detects alternating electromagnetic fields near circuit breakers to estimate current amplitude using unsynchronized samples.

A tapered battery pack shape fits between vehicle coil springs, securing shock-absorbing space while suppressing floor panel vibrations.

A phase shift unit adjusts switching clock signals to minimize electromagnetic interference in wireless power transmission circuits.

Deformation elements between adjacent battery modules absorb crash energy, preventing damage during side impacts while maintaining compact packaging.

A pressure-sensitive mat embedded in a car seat triggers an audible alarm via a key fob when a child is left unattended.

A railway pantograph monitoring system detects voltage steps and zero crossings to identify mechanical bouncing events in real time.

A locomotive power transfer system captures electrical energy generated by the vehicle and routes it to an external grid via interface equipment.

Asymmetrically blocking semiconductor switches block current paths during faults, preventing overheating in permanently excited synchronous machines.

Electronic control unit suppresses vehicle travel during external power supply to prevent cable pinching hazards when doors or windows are open.

A non-intrusive electrical load monitoring method detects electromagnetic flux to determine individual load contributions.

Deforming bracket legs absorb side impact forces, reducing peak loads on the battery pack and preventing structural disconnection during collisions.

Area-based RMS current measurement characterizes cable impedance to detect non-technical losses, eliminating errors from time skew and cyber attacks.

A connector packing features a mushroom-like locking projection with an enlarged end portion inserted into a cap locking hole.

Estimates synchronized phasors at predetermined times using an absolute time standard for electrical power systems.

Solid-state sensing circuits monitor current, voltage, and temperature in fuse holders to prevent catastrophic failures by providing real-time diagnostic data.

A discharge control device initiates energy storage discharge when electric apparatus status deviates from safe ranges.

Segmented main frame distributes injection molding shrinkage to stabilize secondary battery cooling plates.

Predicting input price rank determines optimal process timing, reducing costs while maintaining production stability.

A vehicle controller calculates an output power upper limit based on state of charge to manage discharge.

A wireless battery management system transmits advertising messages to establish connections between master and slave controllers.

Equilibrium state forming circuit resets Y capacitor charge states for precise insulation measurement.

A message bus decouples meter data components to resolve interoperability bottlenecks in utility billing systems.

A vehicle controller adjusts distance-to-empty estimates based on expected energy use of external devices connected to the power takeoff.

Permanent grounding of a direct current supply network pole to the submarine hull reduces circuit breaker requirements and conserves internal space.

Nesting a decelerator within a hollow shaft stabilizes load transfer and prevents vibration while delivering high torque from a compact in-wheel actuator.

A CPU executes software portions to generate a reference current matching circuitry flow, resolving area and interference trade-offs in measurement.

A vehicle breath alcohol interlock uses a motion sensor to detect when the car stops before requesting a breath sample.

A disconnecting device isolates high voltage equipment on railway roofs by physically separating supply line segments.

A networked electrical system uses smart modules and CAN bus communication to manage coach resources efficiently.

An onboard instrumentation amplifier in a servo loop measures input bias current without stray capacitance from long lead wires.

Correlates battery remaining capacity with power consumption history to indicate charging necessity.

Comparing temporal frequency change values at multiple points identifies islanding events, preventing network breakdowns from asynchronous zone deviations.

Independent electronic braking profiles minimize in-train forces and coupler wear during train loading operations.

Traffic micro-simulators extract trip attributes to identify neighborhoods with potential EV-powered micro grids without collecting data from every vehicle.

A capacitor unit connects to inter-cell points in high voltage battery packs to filter electrical noise and impulse currents.

Ascending then descending evaporating hose routing prevents liquid fuel intrusion into the canister during vehicle inclination.

Local hardening of load paths in a deep-drawn steel trough improves rigidity while reducing dead weight and material costs.

A fuel cell pressure relief mechanism deforms to vent hydrogen gas from the high voltage component housing.

Power supply management system distributes electric power to motor vehicle loads based on detected operating conditions and priority levels.

Segmented conductor strips with orthogonal deflections dampen vehicle vibrations, preventing terminal contact failures and preserving electrical conductivity.

Backup controller maintains cooling fan motor operation during CAN communication failures.

A battery diagnosis apparatus applies intermittent high-level electric stimulation to target cells for generating current and voltage time series data.

A fuel cell vehicle safety system uses insulation resistance measurement to detect electrical faults and trigger power cutoff.

An external power supply unit connects to a vehicle's diagnostic port to activate electronic odometers when the onboard battery is dead or damaged.

Internal pressure vessel releases compressed extinguishing medium upon thermal activation to flood battery compartments.

A battery control unit detects high-voltage abnormalities before power distribution to loads.

A battery module integrates a management carrier within cell retainers to enable space-saving assembly and efficient electrical connections.

A connector forms a closed signal path to transmit charging determination instructions between the power source and the fed object.