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Simulation for accelerator dynamic power supply based on current-source PWM rectifier

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Abstract

Purpose

The booster power supply of high-energy photon source is dynamic power supply, and the output is 2-Hz bias sine wave. Current-source rectifier (CSR) topology can achieve the 2-Hz current directly.

Methods

In order to get the output current and good power factor of the power grid, the algorithm of “indirect current control” is applied. This method needs to measure the voltage of three phases and calculates several certain parameters of the circuit. The control strategy based on the “indirect current control” of the CSR is built in the Simulink simulation environment. Parameters and algorithms are described in detail, and the control block diagram and simulation model are given.

Results

The control strategy can output the right current and make a good power factor in the side of grid.

Conclusions

The CSR topology, as a good choice of power supply of accelerator, has a well-researched prospect.

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Correspondence to Yang Li.

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Li, Y., Zhou, Q., Liu, P. et al. Simulation for accelerator dynamic power supply based on current-source PWM rectifier. Radiat Detect Technol Methods 2, 49 (2018). https://doi.org/10.1007/s41605-018-0078-7

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  • DOI: https://doi.org/10.1007/s41605-018-0078-7

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