Triac control systems

A power supply control system for controlling the supply of power from an alternating current (AC) power source to a load. A triac T1 in series with the load is controlled by a controller (typically an MCU) 11 coupled to the gate terminal G of the triac via a rectifier unit comprising at least one r...

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Bibliographische Detailangaben
1. Verfasser:	Paul Thomas Ryan
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS BASIC ELECTRONIC CIRCUITRY CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION PULSE TECHNIQUE
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Beschreibung
Zusammenfassung:	A power supply control system for controlling the supply of power from an alternating current (AC) power source to a load. A triac T1 in series with the load is controlled by a controller (typically an MCU) 11 coupled to the gate terminal G of the triac via a rectifier unit comprising at least one rectifier B1. The rectifier unit transmits a control signal from the controller to the triac, and additionally generates a power signal for powering the controller. A common path can be used for triggering the triac, and powering the controller. The triac may be additionally triggered in the case of a power surge superimposed on the AC power source, to divert the power surge away from vulnerable components. The power supply control system may be used as a starting device for a motor-compressor in a refrigerator, a thermostat control for refrigeration or heating, or a light-sensitive control, for example for lighting.