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    • 3. 发明申请
    • ELECTRIC POWER SUPPLY APPARATUS
    • 电力设备
    • US20130170252A1
    • 2013-07-04
    • US13823339
    • 2011-09-21
    • Hiroyuki NishinoKazunori KideraMariko Nishi
    • Hiroyuki NishinoKazunori KideraMariko Nishi
    • H02M3/335
    • H02M3/33507H02M1/08H02M3/335H02M3/33592H02M3/3382Y02B70/1433Y02B70/1475
    • An electric power supply apparatus, which enables a driving frequency of a switching circuit connected to a primary side of a transformer constant and output of a secondary side variable, comprises a transformer (5), a series circuit of two first switching elements (Q1, Q2) connected between terminals of a direct current power supply (2), an LC resonant circuit connected between both ends of one of the first switch element (Q2) and a primary winding (Np) of the transformer (5), bidirectional switch elements (Q3, Q4) connected to secondary windings (Ns1, Ns2) of the transformer (5) and having a rectification function and a phase control function, and a control circuit for inputting gate driving signals having a phase difference into the first switch elements (Q1, Q2) and the second switch elements (Q3, Q4).
    • 一种电力供应装置,其使得连接到变压器的初级侧的开关电路的驱动频率恒定并且次级侧变量的输出包括变压器(5),两个第一开关元件(Q1, 连接在直流电源(2)的端子之间的LC谐振电路,连接在第一开关元件(Q2)中的一个与变压器(5)的初级绕组(Np)的两端之间的LC谐振电路,双向开关元件 (Q3,Q4)连接到变压器(5)的次级绕组(Ns1,Ns2)并具有整流功能和相位控制功能;以及控制电路,用于将具有相位差的栅极驱动信号输入到第一开关元件 Q1,Q2)和第二开关元件(Q3,Q4)。
    • 4. 发明授权
    • Electric power supply apparatus
    • 电力供应装置
    • US09184662B2
    • 2015-11-10
    • US13823339
    • 2011-09-21
    • Hiroyuki NishinoKazunori KideraMariko Nishi
    • Hiroyuki NishinoKazunori KideraMariko Nishi
    • H02M3/335H02M1/08H02M3/338
    • H02M3/33507H02M1/08H02M3/335H02M3/33592H02M3/3382Y02B70/1433Y02B70/1475
    • An electric power supply apparatus, which enables a driving frequency of a switching circuit connected to a primary side of a transformer constant and output of a secondary side variable, comprises a transformer (5), a series circuit of two first switching elements (Q1, Q2) connected between terminals of a direct current power supply (2), an LC resonant circuit connected between both ends of one of the first switch element (Q2) and a primary winding (Np) of the transformer (5), bidirectional switch elements (Q3, Q4) connected to secondary windings (Ns1, Ns2) of the transformer (5) and having a rectification function and a phase control function, and a control circuit for inputting gate driving signals having a phase difference into the first switch elements (Q1, Q2) and the second switch elements (Q3, Q4).
    • 一种电力供应装置,其使得连接到变压器的初级侧的开关电路的驱动频率恒定并且次级侧变量的输出包括变压器(5),两个第一开关元件(Q1, 连接在直流电源(2)的端子之间的LC谐振电路,连接在第一开关元件(Q2)中的一个与变压器(5)的初级绕组(Np)的两端之间的LC谐振电路,双向开关元件 (Q3,Q4)连接到变压器(5)的次级绕组(Ns1,Ns2)并具有整流功能和相位控制功能;以及控制电路,用于将具有相位差的栅极驱动信号输入到第一开关元件 Q1,Q2)和第二开关元件(Q3,Q4)。
    • 9. 发明授权
    • Method and ballast for starting a discharge lamp
    • 启动放电灯的方法和镇流器
    • US06208088B1
    • 2001-03-27
    • US09500542
    • 2000-02-09
    • Hirofumi KonishiToshiaki NakamuraKazunori Kidera
    • Hirofumi KonishiToshiaki NakamuraKazunori Kidera
    • G05F100
    • H05B41/386Y10S315/02Y10S315/07
    • A method and a ballast for starting a discharge lamp capable of making a rapid start while restraining the overshoot of the light output. The ballast can separately give the initial start time period of applying a maximum power rating to the lamp and the subsequent curve along which the power decreases to a normal power rating of the lamp. A power is varied along a particular run-up curve so as to apply the maximum power rating and subsequently apply the power decreasing to the normal power rating. The run-up curve is derived from a reference curve having a power level decreasing with time. The reference curve has a maximum value above the maximum power rating, and has an inflection point near the maximum power rating to define first and second reference curves above and below the inflection point, respectively. The first reference curve has a first average slope for a first time period from a point of the maximum value to the inflection point. The second reference curve has a second average slope for a second time period which starts from the inflection point and has the same length as the first time period. The second average slope is greater than the first average slope. The run-up curve is a continuous composite curve of the maximum power rating defined by a portion thereof below the reference curve and the remainder of the reference curve defined between the maximum power rating and the normal power rating.
    • 一种用于启动放电灯的方法和镇流器,其能够在抑制光输出的过冲的同时快速启动。 镇流器可以分别给灯施加最大额定功率的初始启动时间段和随后的功率降低到灯的正常额定功率的曲线。 功率沿特定的起动曲线变化,以应用最大功率额定值,并随后将功率降低应用于正常额定功率。 起动曲线从功率电平随时间减小的参考曲线导出。 参考曲线具有高于最大额定功率的最大值,并且具有接近最大额定功率的拐点,以分别在拐点上方和下方限定第一和第二参考曲线。 第一参考曲线具有从最大值到拐点的第一时间段的第一平均斜率。 第二参考曲线具有从拐点开始并且具有与第一时间段相同的长度的第二时间段的第二平均斜率。 第二平均斜率大于第一平均斜率。 起动曲线是由其低于参考曲线的部分定义的最大额定功率的额定值和在最大额定功率与正常额定功率之间定义的参考曲线的剩余部分的连续复合曲线。