IPAC2014 - List of Authors (Liu, K.-B.)

Paper	Title	Page
MOPME061	Design of a Three Legs and Phase Shift AC to DC Converter for Taiwan Photon Light Source	511
	Y.S. Wong, K.-B. Liu NSRRC, Hsinchu, Taiwan J.F. Chen, W.C. Hsu, W.C. Hung, P.H. Tseng NCKU, Tainan city, Taiwan
	A novel low voltage high current AC/DC converter will be achieved which input is utility power supplies a low voltage DC output to load. The new three legs phase shift AC / DC power supply, can divided to five parts : diode full bridge rectifier, three legs phase shift control circuits, transformers, double inductor circuit and feedback circuit. Circuit operates as a single-phase 110 Vrms AC mains power input three legs phase shift control mode from the diode bridge rectifier circuit, the output voltage through the transformer and the phase shift control method converts to low voltage DC 12V output and supplies to loading, feedback circuit are using a feedback resistor across the filter capacitor voltage to product a feedback signal. Digital signal processing (DSP) control board by a feedback voltage determines the three legs phase shift displacement in order to control the output voltage keep a constant value 12V. For this circuit have a zero voltage switching characteristics of the three legs phase shift mode power supply, the input voltage for single phase 110Vac and output load power is 12V/20A.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-MOPME061
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MOPME062	The Acceptance Measurement Platform for TPS Corrector Magnet Power Supplies	514
	B.S. Wang, Y.-C. Chien, C.-Y. Liu, K.-B. Liu, Y.S. Wong NSRRC, Hsinchu, Taiwan
	This paper presents an implementation of a multi-channel measuring data acquisition interface of corrector magnet power supplies (CMPS) for Taiwan Photon source (TPS) with LabVIEW as the developing tool. The multi-channel measuring data acquisition interface could reduce quantity of measurement instrument and loading of operator at the CMPS acceptance test. The instrument devices of measurement system include a multiplexer 、a dynamic signal analyzer (DSA) and a high-resolution digital voltage meter (DVM), GPIB is the communication interface between the multi-channel measuring data acquisition interface and instruments. There are two analyzing procedure for the output current of MPS in the default setting of the LabVIEW program, 1) Fast Fourier Transform of output current measured by DSA, 2) long-term stability of output current measured by DVM; after these two analyzing procedure is completed, the performance of each MPS can be automatically generated as a Microsoft Word report file.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-MOPME062
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THPRO121	Control Environment of Power Supply for TPS Booster Synchrotron	3174
	P.C. Chiu, Y.-S. Cheng, K.T. Hsu, K.H. Hu, D. Lee, K.-B. Liu, B.S. Wang, C.Y. Wu NSRRC, Hsinchu, Taiwan
	The TPS is a latest generation of high brightness synchrotron light source and ready for commissioning. It consists of a 150 MeV electron linac, a booster synchrotron, a 3 GeV storage ring, and experimental beam lines. The booster is designed to ramp electron beams from 150 MeV to 3 GeV in 3 Hz. The TPS control environment is based on EPICS framework to support rich functionalities including power supply control, waveform management, vacuum interface, BPM, intensity monitoring support, operation supports, and so on. This report summarizes the efforts on control environment development for TPS booster synchrotron.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-THPRO121
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Paper

Title

Page

Design of a Three Legs and Phase Shift AC to DC Converter for Taiwan Photon Light Source

511

Y.S. Wong, K.-B. Liu
NSRRC, Hsinchu, Taiwan
J.F. Chen, W.C. Hsu, W.C. Hung, P.H. Tseng
NCKU, Tainan city, Taiwan

A novel low voltage high current AC/DC converter will be achieved which input is utility power supplies a low voltage DC output to load. The new three legs phase shift AC / DC power supply, can divided to five parts : diode full bridge rectifier, three legs phase shift control circuits, transformers, double inductor circuit and feedback circuit. Circuit operates as a single-phase 110 Vrms AC mains power input three legs phase shift control mode from the diode bridge rectifier circuit, the output voltage through the transformer and the phase shift control method converts to low voltage DC 12V output and supplies to loading, feedback circuit are using a feedback resistor across the filter capacitor voltage to product a feedback signal. Digital signal processing (DSP) control board by a feedback voltage determines the three legs phase shift displacement in order to control the output voltage keep a constant value 12V. For this circuit have a zero voltage switching characteristics of the three legs phase shift mode power supply, the input voltage for single phase 110Vac and output load power is 12V/20A.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-MOPME061

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

MOPME062

The Acceptance Measurement Platform for TPS Corrector Magnet Power Supplies

514

B.S. Wang, Y.-C. Chien, C.-Y. Liu, K.-B. Liu, Y.S. Wong
NSRRC, Hsinchu, Taiwan

This paper presents an implementation of a multi-channel measuring data acquisition interface of corrector magnet power supplies (CMPS) for Taiwan Photon source (TPS) with LabVIEW as the developing tool. The multi-channel measuring data acquisition interface could reduce quantity of measurement instrument and loading of operator at the CMPS acceptance test. The instrument devices of measurement system include a multiplexer 、a dynamic signal analyzer (DSA) and a high-resolution digital voltage meter (DVM), GPIB is the communication interface between the multi-channel measuring data acquisition interface and instruments. There are two analyzing procedure for the output current of MPS in the default setting of the LabVIEW program, 1) Fast Fourier Transform of output current measured by DSA, 2) long-term stability of output current measured by DVM; after these two analyzing procedure is completed, the performance of each MPS can be automatically generated as a Microsoft Word report file.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-MOPME062

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

THPRO121

Control Environment of Power Supply for TPS Booster Synchrotron

3174

P.C. Chiu, Y.-S. Cheng, K.T. Hsu, K.H. Hu, D. Lee, K.-B. Liu, B.S. Wang, C.Y. Wu
NSRRC, Hsinchu, Taiwan

The TPS is a latest generation of high brightness synchrotron light source and ready for commissioning. It consists of a 150 MeV electron linac, a booster synchrotron, a 3 GeV storage ring, and experimental beam lines. The booster is designed to ramp electron beams from 150 MeV to 3 GeV in 3 Hz. The TPS control environment is based on EPICS framework to support rich functionalities including power supply control, waveform management, vacuum interface, BPM, intensity monitoring support, operation supports, and so on. This report summarizes the efforts on control environment development for TPS booster synchrotron.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-THPRO121

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)