Ac-Dc Network Circuit Arrangements TRIZ Cases
- Mining Vehicle Dual-Winding Motor Galvanic Isolation
Galvanic isolation between primary and secondary windings reduces network load while enabling continuous drilling operations.
- Wireless Power Supply Frequency Control for Resonance Mismatch
A wireless power supply system adjusts AC frequency to match varying resonance conditions in the reception apparatus.
- Metallic Foreign Object Detector Using Resonance Vibration Signals
A metallic foreign object detector uses a resonance circuit to generate vibration signals for detection.
- Bump-In-The-Wire Security Device for Microgrid Legacy Systems
A bump-in-the-wire security device provides cryptographic separation between legacy microgrid components and external networks.
- Wireless Power Receiver Resonant Frequency Adaptation
Dynamic resonant frequency adjustment resolves fixed-frequency inefficiencies across varying wireless power transmission modes.
- Switching Module Current Sense Polarity Alternation
Alternating differential amplifier input polarity cancels voltage offset errors, improving current sense ratio accuracy across varying load conditions.
- Wireless Elevator Power via Linear Motor Windings
Primary windings along guide rails induce current in car-mounted secondary windings, eliminating cumbersome moving cables and reducing device complexity.
- Hybrid AC HVDC Grid Dispatch Using Successive Linear Approximation
Segmenting AC and DC grids via successive linear approximation determines secure economic dispatch while protecting proprietary converter details.
- Wireless Power Transmitter Signal Collision Avoidance
A wireless power transmitter detects simultaneous receiver packets to prevent signal collisions during multi-device charging.
- Multi-mode Wireless Power Transmitter with Tunable Resonant Drive Circuit
A multi-mode wireless power transmitter uses a dynamically tunable resonant drive circuit to deliver energy across varying frequencies.
- Wireless Power Transmitter with RF Energy Pockets and Billing
Transmitter creates localized RF energy pockets to charge devices while a management system tracks usage for billing.
- Wireless Power Feeder Bi-Directional Current High Voltage
A wireless power feeder enables bi-directional current flow in the first coil to support high voltage inputs without resonance circuits.