Arrangements Responsive To Excess Current TRIZ Cases

A controlled protection switch disconnects thin-oxide MOS circuitry during ESD and power-on transients while keeping leakage current low.

Periodic standby current sensing detects rising current and triggers fast overcurrent protection while keeping fuse power use low.

A comparator, thermistor, and bypass switch protect LED loads from overcurrent and overheating while avoiding string-wide failure and energy waste.

Switchable phase-loss monitoring lets one protection unit cover motor and non-motor loads, cutting SKUs, cost, and panel complexity.

Fault latch circuitry derives power from an existing enable pin to disconnect converter circuitry during faults without extra pins or added complexity.

An LC transfer branch injects oscillating reverse current to create multiple current zeros and speed reliable interruption of delayed zero-crossing faults.

A nearby superconducting coil limits fault current by triggering a reversible quench, improving aircraft power-line stability and protection.

Selective outlet control keeps critical tools powered, sheds charger loads before overload, and restores them automatically when capacity returns.

Load reconnection is detected and the fuse switch restarts through soft start, limiting inrush current and preventing abnormal operation.

Net energy tracking lets a control circuit switch off a conductor before cumulative and non-periodic current loads cause damage.

Impedance monitoring at the power input and charge unit enables fast switch cutoff to stop short-circuit current and protect computer components.

Controlled gate timing in a bidirectional transfer switch limits transformer inrush current, avoiding protection trips and component stress.

A combined isolating switch and fusible conductor keeps vehicle circuits reversible in normal use while still opening safely during switch failure.

Monitored bus and gate voltages enable accurate MOS switch timing during hot plugging, limiting impulse current and avoiding mis-operation.

Two comparators and switchover logic maintain short-circuit detection across a wide common-mode voltage range.

A parallel resistor path enables controlled high-current disconnection in vehicle safety loads while protecting switches from overcurrent and voltage stress.

Switchable phase loss logic lets one protection unit cover motor and non-motor loads across single-, two-, and three-phase wiring.

Dual current and voltage sensing turns the electronic switch off during startup or faults to protect loads from overvoltage and overcurrent.

A parallel TRIAC and dual isolating lines disconnect an appliance within milliseconds after insulation failure to prevent shock and fire.

Staggered mirror-transistor timing limits sense current to suppress startup peaks while improving power supply load response.

Separate fuse and PTC protection distinguishes short circuits from overloads, avoiding unnecessary fuse trips in compact PCB installations.

A threshold-based time counter stabilizes IDMT relay trip timing under fluctuating signal levels for accurate fault detection.

Temperature-triggered switching isolates an overheated relay integrator power stage, while a channel-shaped heatsink improves transient heat dissipation.

A resonant capacitor cell creates zero-crossing interruption to clear faults quickly while protecting semiconductor switches from surge damage.

A controlled shunt branch and current limiter cut fuse heating in inverter-fed DC breakers while preserving fault disconnection reliability.

A keyed disconnect opens the surge arrester current path before fault current exceeds interrupter limits, reducing sparks, debris, and fire risk.

A control circuit isolates USB-C ground during shorts, then reconnects it for fast recovery without damaging the power source.

By lowering supply voltage based on measured residual current, the circuit keeps low-power loads running without tripping the breaker.

Dual high-sensitivity relays detect transmission line breaks within fractions of a second, tripping breakers before ground faults occur.

A solid state power controller system manages transient currents through a selectable path to protect components from voltage surges.

Matching transistor parameters eliminate wide current limit trip value drift caused by temperature and over-drive voltage changes.

Angled electrodes enhance Lorentz force to move arcs away from the gap, preventing voltage set point drift during high current events.

Replacing a slow-blow fuse with an electronic safety circuit eliminates high resistance that degrades signal quality and improves response time.

A single switch electronic fuse manages multiple power outputs via a logic controller and current sensors.