Parameter analysis and optimized configuration of the PFU for inductive storage systems

Ma, Shangang; Yu, Xinjie; Li, Zhen

doi:10.1109/eml.2014.6920635

Cited by 2 publications

(2 citation statements)

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“…This paper discusses the overall design, system implementation, and testing results of the system. It not only verified the correctness of the theory but also offered the testing foundation for constructing the system with 25-kJ inductive energy in the next step [9].…”

Section: Introductionmentioning

confidence: 56%

“…As we discussed in [9], the optimal design for the ICCOS countercurrent circuit of the STRETCH meat grinder with ICCOS topology is essential to optimize and select the countercurrent capacitor and its precharge voltage with the minimum countercurrent energy. Other system parameters are U S = 160 V, R S = 12 m , R L = 1.5 m , and L L = 1 μH.…”

Section: A Circuit-level Designmentioning

confidence: 99%

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System Implementation and Testing of the STRETCH Meat Grinder With ICCOS

2015

IEEE Trans. Plasma Sci.

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By applying the principle of inverse current commutation with semiconductor (ICCOS) devices in a slow transfer of energy through capacitive hybrid (STRETCH) meat grinder system, a novel circuit topology called STRETCH meat grinder with ICCOS was proposed by the Tsinghua University in 2013. It can not only raise the amplitude of the opening current, but also reduce the cost of the STRETCH meat grinder circuit obviously by replacing the integrated gate-commutated thyristor (IGCT) with thyristor. This paper discusses the overall design, system implementation, and testing results of a STRETCH meat grinder with ICCOS system with roughly 1-kJ inductive energy. The load is a spiral coil with 1.4-m resistance and 1.4-μH inductance. With closed-loop control strategy, the system detects the charging current of the inductors. When it reaches the designated value, the triggering signal for ICCOS is delivered and after the predefined delay time, the triggering signal for discharging the voltage on the pulseforming capacitor is delivered. The current of the inductors and the load are measured by Rogowski coils. The opening current is 1 kA and the maximum load current is close to 4 kA. All the voltages on the switches are lower than 1 kV. The experimental results are consistent with the simulated ones, which verified the correctness of the theoretical analysis and proved the applicability of the STRETCH meat grinder with ICCOS for larger energy level.Index Terms-Experimental, inductive pulse power supplies, inverse current commutation with semiconductor (ICCOS) devices, slow transfer of energy through capacitive hybrid (STRETCH) meat grinder.

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Section: Introductionmentioning

confidence: 56%

Section: A Circuit-level Designmentioning

confidence: 99%