An energy consumption apparatus and a control method thereof
A technology of energy consumption and energy storage capacitors, which is applied in circuit devices, emergency protection circuit devices, AC network circuits, etc., can solve the problems of large voltage and current change rates of power devices, and difficulty in uniform power devices, achieving low cost and occupying an area The effect of small area and strong system redundancy operation capability
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[0028] Such as Figure 4 As shown, the energy consumption device proposed by the present invention is composed of N (N is an integer greater than 1) sub-modules in series, and the series circuit is connected between the DC pole lines, and the device is used to transform the surplus active power on the DC pole lines To dissipate heat energy, thereby preventing the accumulation of active power on the DC pole line from causing the voltage of the DC pole line to rise and endanger the operation safety of the system.
[0029] Figure 5 Shown is the sub-module topology of the device described in this law. The sub-module is composed of an energy-consuming circuit, a bypass switch, an energy storage capacitor and a power device. The energy storage capacitor provides a clamping voltage for the power device of the sub-module to solve the power device Voltage equalization problem, reduce the voltage and current change rate during the input process of energy-consuming resistors, and reduc...
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