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1“... for LEDs. Supplied from an AC source, in order to have high power factor and constant output current...”
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2“...-efficiency and high-power-density adapter with universal line voltage. Since the conventional boost PFC has...”
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3“...-isolated dual-half-bridge bidirectional DC-DC converter. Using the presented topology, high efficiency can...”
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4“... input current ripple and high efficiency. A full-bridge series resonant converter with zero voltage...”
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5“... used to step down high DC bus voltages and/or provide isolation in medium to high power applications...”
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6“...-voltage DC supply, the LED lamps typically have to operate from a universal AC input for general lighting...”
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7“...碩士 === 國立臺灣科技大學 === 電機工程系 === 104 === This thesis aims to develope a high step-up ratio converter...”
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8“... voltage switching (ZVS) of the main switches thereby dramatically lowering switching losses and boosting...”
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9“... harmonics and high voltage utilization; hence, the traditional space-vector concept has been modified...”
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10“...) for backlighting are found in high-end display units as well as next-generation consumer grade displays...”
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11“... of the low output voltage and high output current, the synchronous rectifiers are used instead...”
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12“... such as input/output voltage and current levels, temperatures and fan speeds are essential. Conventionally...”
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13“.... After the voltage command is obtained, a separate high-speed voltage loop can then be applied...”
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14“... and high open circuit voltage. Li-ion battery requires monitoring system that is capable of measuring...”
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15“... desired features such as high efficiency, low switching noise, wide input voltage range and ability...”
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16“... such as high energy efficiency, extended lifetime, cold temperature operation and fast transient. For LED...”
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17“... cost, fast tracking speed and high tracking efficiency.However, these methods exploit the relationship...”
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18“...碩士 === 國立臺灣科技大學 === 電機工程系 === 100 === High-brightness LEDs are energy-saving and cost-effective...”
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19“... to the automakers and consumers. Since the lithium ion battery has a high energy storage density, rated voltage, low...”
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20“... of the buck-boost inductance, zero voltage switching (ZVS) can be achieved and thus high efficiency can...”
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