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    • 2. 发明申请
    • ARRANGEMENT AND METHOD FOR PROTECTING A POWER SUPPLY CIRCUIT COMPONENT
    • 用于保护电源电路组件的布置和方法
    • WO2010070188A1
    • 2010-06-24
    • PCT/FI2009/000101
    • 2009-12-03
    • KONE CORPORATIONPUTKINEN, EsaLEHTINEN, Hannu
    • PUTKINEN, EsaLEHTINEN, Hannu
    • G01R31/00H01H85/00H02J13/00B66B1/28
    • B66B1/30
    • The invention relates to an arrangement for protecting a component (2) in a power supply circuit (1 ). The arrangement comprises determination of an electric quantity constituting a load on the component (2), which electric quantity (6, 6', 6") constituting a load on the component is determined repeatedly while the component is exposed to the load. The arrangement also comprises estimation (8) of instantaneous load capacity of the component (2), which estimation of instantaneous load capacity (9, 9') is performed using a limitation criterion (5, 5', 5") set for the load capacity of the component. This limitation criterion (5, 5', 5") indicates the longest possible operating time of the component (2) under a given loading condition. For the limitation criterion (5, 5', 5"), a representation (4, 4') with respect to the electric quantity (6, 6', 6") constituting a load on the component is provided, and a limitation criterion corresponding to the defined electric quantity (6, 6', 6") constituting a load on the component is derived repeatedly from the said representation (4, 4') while the component (2) is exposed to the load. The estimate of instantaneous load capacity (9, 9') of the component is thus determined on the basis of both the limitation criterion (5) defined substantially at the estimation instant (7) and the limitation criteria (5', 5") defined before this.
    • 本发明涉及一种用于保护电源电路(1)中的部件(2)的装置。 该装置包括确定构成组件(2)上的负载的电量,当组件暴露于负载时,构成组件上的负载的电量(6,6',6“)被重复地确定。 还包括对部件(2)的瞬时负载能力的估计(8),使用为负载能力设定的限制标准(5,5',5“)来执行瞬时负载能力(9,9')的估计 组件。 该限制标准(5,5',5“)表示组件(2)在给定加载条件下可能的最长运行时间,对于限制标准(5,5',5”),表示(4,4 ')相对于构成组件上的负载的电量(6,6',6“),并且对与构成该组件上的负载的限定电量(6,6',6”)相对应的限制标准 当部件(2)暴露于负载时,分量从所述表示(4,4')重复导出。 因此,基于在估计时刻(7)基本上定义的限制标准(5)和限定标准(5',5“)两者来确定部件的瞬时负载能力(9,9')的估计值 在这之前。
    • 4. 发明申请
    • DC/DC BRIDGE
    • 直流/直流桥
    • WO2009034223A1
    • 2009-03-19
    • PCT/FI2008/000098
    • 2008-09-04
    • KONE CORPORATIONPUTKINEN, Esa
    • PUTKINEN, Esa
    • H02M3/158H02P7/292
    • H02P7/29H02M3/158H02P7/04
    • DC/DC bridge for controlling a direct-current load (M1), which bridge is provided with controllable semiconductor switches (S11 - S14, S21 - S26) and with a control unit (BC1). The bridge comprises two bridge sections (B11, B12), at least the first bridge section (B11) of which is controlled with pulse-width modulation (PWM) to regulate the current magnitude, and which bridge comprises a determination of the current of the direct-current load (M1). The second bridge section (B12) conducts direct current when the determined value (2) of the current of the direct- current load differs from zero by more than the limit value (1) of the current.
    • 用于控制直流负载(M1)的DC / DC桥,该桥具有可控半导体开关(S11-S14,S21-S26)和控制单元(BC1)。 该桥包括两个桥接部分(B11,B12),至少第一桥接部分(B11)由脉冲宽度调制(PWM)控制以调节电流幅度,并且哪个桥接器包括确定电流 直流负载(M1)。 当直流负载的电流的确定值(2)与零相差超过电流的极限值(1)时,第二桥接部分(B12)进行直流电流。