Emergency Protection Detection TRIZ Cases

A comparison circuit cuts battery power below the over-discharge threshold and blocks rebound reconnection to prevent overheating and repeat discharge.

Modulated event reporting helps current supervision resist electromagnetic interference while enabling diagnosis of overcurrent reporting faults.

A virtual ground and instrumentation amplifier improve detection of loose or intermittent ground faults and enable power shutdown when grounding is inadequate.

Heartbeat signaling between ZSI trip units detects loose or broken cables early, preserving fault localization and reducing unnecessary power interruptions.

A backside conductive feed and shared diode tap regions cut ESD path resistance, lower clamp voltage, and save wafer area at the IO pad.

A detection circuit and control switch isolate a shorted component to maintain output voltage and keep other circuits operating normally.

A relay-based voltage check blocks under- or over-voltage external DC power, preventing false aircraft power indications and malfunctions.

A self-biasing node replaces large voltage dividers, letting MOSFET discharge stages deliver low-impedance ESD protection with less circuit area and cost.

Adaptive impedance recalculation improves fault location accuracy in distance protection relays under remote infeed, reactance effects, and fault resistance.

A lumped-parameter line model detects transmission faults from setting-point voltage change with low sampling rates and minimal delay.

A dual-amplifier ESD protection circuit separates discharge start and clamp voltage control to protect internal circuits from ESD and EMS noise.

Idle-mode control cuts parked power draw while current and reverse-current detection protect a resettable semiconductor fuse.

Single-ended time-domain measurements locate DC microgrid feeder faults in microseconds without communication or topology-dependent models.

Isolation switches disconnect converter core devices from external pins during overvoltage and hold internal nodes at a safe reference.

A parallel electromechanical switch, capacitors, and RC delay cut DC breaker losses while improving interruption of fast and slow-rising faults.

A semiconductor switch, fuse, and current-threshold evaluation isolate DC earth faults within microseconds while limiting fault current.

A control module sets cord-specific power limits and monitors temperature to prevent overload and overheating in vehicle remote power supply.

Dual tunable replica circuits detect overvoltage and slow clock glitches by inverting timing logic, improving attack coverage with low area overhead.

Dynamic sensor reassignment keeps HVDC protection zones fault-responsive after sensor failure while avoiding false trips and power transfer loss.

A precharge switch, resistor, and threshold controller limit inrush current so capacitive loads can power on without repeated disconnections.

Integrated current squaring and thermal estimation reduce MCU overload while improving wire overheat detection accuracy in switched loads.

Parallel TVS diode branches shunt surge current to ground while preserving leakage current measurement with simpler passive circuitry.

Real-time current data and dynamic subload switching keep circuits near capacity while preventing nuisance breaker trips.

Periodic self-test simulates leakage faults to detect trip failure and trigger alarms before interrupter malfunctions become hidden hazards.

Voltage and current feedback let an electronic circuit breaker calculate line impedance and pinpoint a short circuit without extra diagnostic tools.

Current-based protection keeps a three-phase compressor running at low voltage when load is light, avoiding unnecessary shutdowns and spoilage.

An assist circuit clamps the transistor gate during ESD events to cut capacitive coupling and lower turn-on resistance in IC protection.

A delayed protection signal filters transient turn-on current spikes, avoiding false shutdown while preserving short-circuit protection.

Back-to-back transistor switches let a DC solid-state breaker interrupt faults in both current directions while improving fail-safe protection.

A bypass fuse path keeps safety-related vehicle loads powered when branch electronic fuses degrade, mismeasure, or fail.

Optical control links and conductive power wires overcome copper distance limits while enabling safe fault-managed power delivery.

Pre-checking the main electronic switch before closing the isolating switch prevents unsafe AC power-up and improves fault protection.