System for asymmetrical voltage resonant converter for e.g. sodium vapor lamp, has controller to provide pulse width modulation signals to switches in legs to independently control dimming of LED loads
	REDDY C K R; REDDY U R
	2024-10-23
专利权人	UNIV SRM (UYSR-Non-standard)
申请日期	2024-10-23
专利号	IN202441080740-A
成果简介	NOVELTY - The system (100) has a power switching module (104) connected to an input source (102) to receive a direct current (DC) input voltage. A pair of resonant circuits (106) transfers energy between the switching module and LED loads. A paired power voltage source (108) provides a threshold voltage to the loads. The paired voltage source includes two auxiliary voltage sources (108a, 108b) to supply the voltage to two loads, respectively. A controller (110) provides pulse width modulation (PWM) signals to switches in two legs (104a, 104b) to independently control dimming of the loads, where the power switching module generates asymmetrical square wave voltages across the legs. USE - Asymmetrical voltage resonant converter system for use in a lighting system e.g. incandescent lamp, fluorescent lamp and high-intensity discharge (HID) lamp e.g. metal halide lamp and sodium vapor lamp. ADVANTAGE - The system enables independent dimming control for multiple LED loads. The system achieves high efficiency through zero voltage switching (ZVS). The system reduces the component count required for operating the LED loads, and ensures stable current flow through the system. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for operating asymmetrical voltage resonant converter. DESCRIPTION OF DRAWING(S) - The drawing shows a block diagram of a system for asymmetrical voltage resonant converter. 100Asymmetrical voltage resonant converter system 102Input source 104Power switching module 104a, 104bLegs 106Resonant circuits 108Paired power voltage source 108a, 108bAuxiliary voltage sources 110Controller
IPC 分类号	H02M-001/00 ; H02M-001/08 ; H02M-001/12 ; H02M-003/00 ; H02M-003/155 ; H05B-045/325 ; H05B-045/36 ; H05B-045/37
国家	印度
专业领域	能源矿产
语种	英语
成果类型	专利
文献类型	科技成果
条目标识符	http://119.78.100.226:8889/handle/3KE4DYBR/14790
专题	中国科学院新疆生态与地理研究所
作者单位	UNIV SRM (UYSR-Non-standard)
推荐引用方式 GB/T 7714	REDDY C K R,REDDY U R. System for asymmetrical voltage resonant converter for e.g. sodium vapor lamp, has controller to provide pulse width modulation signals to switches in legs to independently control dimming of LED loads. IN202441080740-A[P]. 2024.

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