Power Supply Lines TRIZ Cases

A DC feeder voltage computing device determines optimal substation settings using historical run data and operational models.

A reference voltage generating circuit uses current mirrors to bias transistors at a predetermined ratio.

Ring-connected semiconductor devices eliminate the master IC requirement, reducing component count and wiring complexity in compact electronic systems.

A hybrid converter modulates AC line frequency to signal PV inverters about battery status.

A control circuit manages transistor actuation duration in switching regulators to reduce in-rush current.

Diode-based voltage thresholds replace RC delays in the reference circuit, eliminating large capacitors and improving transient load response.

An integrator processes error signals to control shunt current, preventing voltage overshoots during mode changes in contact-less transponders.

A low voltage bandgap circuit generates a constant current reference by combining PTAT and CTAT currents within a single integrated structure.

A traction substation adjusts its no-load voltage parameter based on real-time supply voltage measurements from connected vehicles.

A current limiting circuit uses a silicon carbide static induction transistor to regulate charging current flow.

Tuned mass dampers absorb vibrations from multiple pantographs, maintaining energy transfer quality while minimizing wear on contact elements.

Replacing mechanical contacts with an inductive sensor and RFID target eliminates corrosion risks while ensuring reliable wear detection.

A rail vehicle transmits a signal containing sender identity and current position to an operating unit for immediate voltage switching.

A photovoltaic inverter uses a parallel short-circuit switch to limit generator voltage.

A virtual co-phase power supply system uses parallel rectifiers and inverters with energy storage to bridge traction feeding sections.

A current limit power switch uses a dynamic blanking period to supply high startup current bursts.

A PWM power supply controller overrides the soft-start reference signal to manage peak current during mode transitions.

Autotransformer configuration reduces electrical impedance in railway power supply circuits by optimizing conductor positioning.

Dynamic operation of a three level converter minimizes conduction and switching losses at partial load by adapting to DC link voltage levels.

Segmented charging circuits prevent inrush current damage to internal components by controlling voltage ramps across sequential stages.

A power supply unit control unit adjusts reference voltage to track output voltage during low line conditions.

Segmented insulation layers and composite materials resolve the trade-off between electrical reliability and thermal performance in 60 kV railway cooling.

A supervisory controller manages collective power ramp rates across multiple photovoltaic subsystems using adaptive closed-loop feedback signals.

Outdoor modularized electric apparatus eliminates factory houses and cable corridors, reducing land occupation while maintaining power supply reliability.

Initial bias windings on a magnetic core provide start-up power across an isolation barrier, eliminating separate bias transformers.

A switching power supply controller decouples from sense signals during startup to reduce power dissipation.

Complementary constant current circuits reduce discharge current after a set period, extending photocoupler lifespan while maintaining noise resistance.

Dynamic threshold switching prevents startup malfunctions during voltage fluctuations between hysteresis limits.

A soft start circuit uses a slew rate controller to adjust regulator current limits during startup.

An integrated controller merges a dropping resistor with automatic shutoff to limit power dissipation during start-up and eliminate external components.

A bandgap voltage generating circuit uses transistors and impedance elements to produce regulated output.

Adaptive control adjusts traction based on real-time wheel-rail conditions to minimize energy consumption.

A precharging unit merges current limiting and switching functions to manage voltage converter input.

A reference voltage generating circuit adjusts a driving control signal based on temperature variations to maintain proper voltage levels.

A controller selects between non-interleaved and interleaved flyback modes to optimize DC to AC power conversion efficiency.

Stepwise error voltage clamping reduces startup maximum current while shortening output voltage rise time.

Drive motors operate as generators during deceleration to feed recycled electric energy into the supply circuit, reducing peak power consumption.

A solar farm control system regulates inverter reactive power and collector voltage to reduce electrical losses.

Detecting circuit monitors input voltage rise speed to switch current limiting modes.

A voltage regulation circuit measures temperature, IR drop, and frequency response to adjust the supplied voltage dynamically.

A laptop charging control system manages power receptacles using current limiters and parallel switches to regulate initial energy flow.

A bandgap circuit uses a starter mechanism to pre-charge nodes before main operation begins.

A voltage regulator uses a delayed output voltage and selecting circuit to generate a control voltage.

A switching regulator uses default control registers and a multiplexer to select stable power output signals during initial operation.

A traffic control system manages real-time power demand in roadside catenary networks to maintain stable energy supply.

Adjustable-duty-cycle oscillator steers inductor current into load, preventing damage from excessive current at low input voltages.

Integrated memory chip in oximeter sensors stores patient identification and trending data directly within the device assembly.

A switching converter configured with a predefined input voltage-current curve to extract electrical energy from photovoltaic sources.

A reversible traction substation adjusts converter configuration parameters using real-time operating data to optimize energy transfer.