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    • 3. 发明申请
    • CIRCUIT ARRANGEMENT HAVING A BATTERY CASCADE
    • 具有电池插座的电路布置
    • US20100237873A1
    • 2010-09-23
    • US12741692
    • 2008-09-16
    • Michael FrankeJörn RiemerTobias Schädel
    • Michael FrankeJörn RiemerTobias Schädel
    • G01N27/416H02J7/04
    • H02J7/0021G01R19/16542
    • In an electrical device, in which the load is supplied by a battery cascade, the voltages of the batteries of the battery cascade must be measured with high precision in order to start charge equalization and prevent undervoltages or overvoltages, wherein if possible favorable components should be used simultaneously. This problem is solved in that a circuit arrangement having a battery cascade is proposed, comprising a first battery (A1), the negative pole of which has a ground potential (GND), a second battery (A2), the negative pole of which is coupled to the positive pole of the first battery, and further comprising a capacitor (C1), which on the first side thereof is coupled to the positive pole of the first battery by way of a resistor (R1) and with the second side thereof can be applied to the ground potential (GND) by way of a first switch (S1). Furthermore, the positive pole of the second battery (A2) can be coupled between the resistor (R1) and the capacitor (C2) by way of a second switch (S2). The capacitor (C1) can be charged to the voltage (V1) of the first battery and only the differential voltage between the entire battery cascade and the capacitor (C1) must be measured.
    • 在通过电池级联提供负载的电气装置中,必须以高精度测量电池级联的电池电压,以便开始充电均衡并防止欠电压或过电压,其中如果可能,有利的组件应当是 同时使用 该问题的解决之处在于,提出了具有电池级联的电路装置,其包括:第一电池(A1),其负极具有接地电位(GND);第二电池(A2),负极为 耦合到第一电池的正极,并且还包括电容器(C1),其在其第一侧上通过电阻器(R1)耦合到第一电池的正极,并且其第二侧可以 通过第一开关(S1)施加到接地电位(GND)。 此外,第二电池(A2)的正极可以通过第二开关(S2)耦合在电阻器(R1)和电容器(C2)之间。 可以将电容器(C1)充电到第一电池的电压(V1),并且仅必须测量整个电池级联和电容器(C1)之间的差分电压。
    • 5. 发明授权
    • Voltage source converter
    • 电压源转换器
    • US07250794B2
    • 2007-07-31
    • US10924252
    • 2004-08-23
    • Ralf-Michael FrankeFranz Imrich
    • Ralf-Michael FrankeFranz Imrich
    • H03K3/00
    • H02M5/458H02M5/271
    • A voltage source converter with a line-side diode rectifier, a load-side inverter with an electronic circuit, a power supply for the electronic circuit, and a slim DC link with a DC link capacitor is described. The slim DC link connects a DC output side of the line-side diode rectifier with a DC input side of the load-side inverter. A buffer capacitor is connected across the power supply, and a decoupling diode and a current limiting circuit are electrically connected in series with the buffer capacitor. The serially connected buffer capacitor, decoupling diode and current limiting circuit are connected in parallel with the DC link capacitor. This arrangement results in a voltage source converter that has an improved service reliability even in unstable power grids, without adding circuit complexity to the line input.
    • 描述了具有线路侧二极管整流器的电压源转换器,具有电子电路的负载侧逆变器,用于电子电路的电源以及具有直流链路电容器的超薄DC链路。 超薄直流母线将线路侧二极管整流器的直流输出侧与负载侧逆变器的直流输入侧连接。 缓冲电容器连接在电源两端,并且去耦二极管和限流电路与缓冲电容器串联电连接。 串联缓冲电容器,去耦二极管和限流电路与直流母线电容并联。 这种布置导致电压源转换器即使在不稳定的电网中也具有改进的服务可靠性,而不增加线路输入的电路复杂性。