PID Control of an Electromagnet-Based Rotary HTS Flux Pump for Maintaining Constant Field in HTS Synchronous Motors

Haeryong Jeon; Jeyull Lee; Seunghak Han; Ji Hyung Kim; Chang Ju Hyeon; Ho Min Kim; Hyoungku Kang; Tae Kuk Ko; Yong Soo Yoon

doi:10.1109/TASC.2018.2822704

PID Control of an Electromagnet-Based Rotary HTS Flux Pump for Maintaining Constant Field in HTS Synchronous Motors

Haeryong Jeon, Jeyull Lee, Seunghak Han, Ji Hyung Kim, Chang Ju Hyeon, Ho Min Kim, Hyoungku Kang, Tae Kuk Ko, Yong Soo Yoon

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

Rotary HTS flux pumps are suitable for cryogenic applications, where it is difficult to implement direct physical connections between the device in question and an external power supply. Here we examine the proportional-integral-derivative (PID) control of a rotary HTS flux pump to compensate for a change in the current in the HTS field coil of a synchronous motor under operating conditions. The field coil current must be maintained constant to prevent output fluctuation of the synchronous motor. In this context, a prototype of the rotary HTS flux pump with rotating HTS tape is constructed for a synchronous motor in this study. A 600-turn electromagnet is used to inject magnetic flux into the HTS tape to charge the HTS coil. The magnetic field of the electromagnet is controlled via PID control with respect to the rotational speed and rotating direction of the machine. As a result, we successfully compensate for change in the current of the HTS coil by controlling the magnetic field of the electromagnet, while the rotating speed and direction are varied.

Original language	English
Article number	5207605
Journal	IEEE Transactions on Applied Superconductivity
Volume	28
Issue number	4
DOIs	https://doi.org/10.1109/TASC.2018.2822704
Publication status	Published - 2018 Jun

Bibliographical note

Funding Information:
Manuscript received September 19, 2017; accepted March 19, 2018. Date of publication April 3, 2018; date of current version April 16, 2018. This work was supported in part by the National Research Foundation of Korea grant funded by the Korea Government (MSIP); and in part by the “Human Resources Program in Energy Technology” of the Korea Institute of Energy Technology Evaluation and Planning, granted financial resource from the Ministry of Trade, Industry, and Energy, Republic of Korea, under Grants 2017R1A2B3012208 and 20164030201100. (Corresponding author: Yong Soo Yoon.) H. Jeon, J. Lee, S. Han, and T. K. Ko are with the School of Electrical and Electronic Engineering, Yonsei University, Seoul 120-749, South Korea.

Publisher Copyright:
© 2002-2011 IEEE.

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1109/TASC.2018.2822704

Cite this

@article{33e7270baa5548669878b421deea1dd7,

title = "PID Control of an Electromagnet-Based Rotary HTS Flux Pump for Maintaining Constant Field in HTS Synchronous Motors",

abstract = "Rotary HTS flux pumps are suitable for cryogenic applications, where it is difficult to implement direct physical connections between the device in question and an external power supply. Here we examine the proportional-integral-derivative (PID) control of a rotary HTS flux pump to compensate for a change in the current in the HTS field coil of a synchronous motor under operating conditions. The field coil current must be maintained constant to prevent output fluctuation of the synchronous motor. In this context, a prototype of the rotary HTS flux pump with rotating HTS tape is constructed for a synchronous motor in this study. A 600-turn electromagnet is used to inject magnetic flux into the HTS tape to charge the HTS coil. The magnetic field of the electromagnet is controlled via PID control with respect to the rotational speed and rotating direction of the machine. As a result, we successfully compensate for change in the current of the HTS coil by controlling the magnetic field of the electromagnet, while the rotating speed and direction are varied.",

author = "Haeryong Jeon and Jeyull Lee and Seunghak Han and Kim, {Ji Hyung} and Hyeon, {Chang Ju} and Kim, {Ho Min} and Hyoungku Kang and Ko, {Tae Kuk} and Yoon, {Yong Soo}",

note = "Funding Information: Manuscript received September 19, 2017; accepted March 19, 2018. Date of publication April 3, 2018; date of current version April 16, 2018. This work was supported in part by the National Research Foundation of Korea grant funded by the Korea Government (MSIP); and in part by the “Human Resources Program in Energy Technology” of the Korea Institute of Energy Technology Evaluation and Planning, granted financial resource from the Ministry of Trade, Industry, and Energy, Republic of Korea, under Grants 2017R1A2B3012208 and 20164030201100. (Corresponding author: Yong Soo Yoon.) H. Jeon, J. Lee, S. Han, and T. K. Ko are with the School of Electrical and Electronic Engineering, Yonsei University, Seoul 120-749, South Korea. Publisher Copyright: {\textcopyright} 2002-2011 IEEE.",

year = "2018",

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language = "English",

volume = "28",

journal = "IEEE Transactions on Applied Superconductivity",

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PID Control of an Electromagnet-Based Rotary HTS Flux Pump for Maintaining Constant Field in HTS Synchronous Motors. / Jeon, Haeryong; Lee, Jeyull; Han, Seunghak; Kim, Ji Hyung; Hyeon, Chang Ju; Kim, Ho Min; Kang, Hyoungku; Ko, Tae Kuk; Yoon, Yong Soo.

In: IEEE Transactions on Applied Superconductivity, Vol. 28, No. 4, 5207605, 06.2018.

Research output: Contribution to journal › Article › peer-review

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AU - Jeon, Haeryong

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AU - Kim, Ji Hyung

AU - Hyeon, Chang Ju

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AU - Kang, Hyoungku

AU - Ko, Tae Kuk

AU - Yoon, Yong Soo

N1 - Funding Information: Manuscript received September 19, 2017; accepted March 19, 2018. Date of publication April 3, 2018; date of current version April 16, 2018. This work was supported in part by the National Research Foundation of Korea grant funded by the Korea Government (MSIP); and in part by the “Human Resources Program in Energy Technology” of the Korea Institute of Energy Technology Evaluation and Planning, granted financial resource from the Ministry of Trade, Industry, and Energy, Republic of Korea, under Grants 2017R1A2B3012208 and 20164030201100. (Corresponding author: Yong Soo Yoon.) H. Jeon, J. Lee, S. Han, and T. K. Ko are with the School of Electrical and Electronic Engineering, Yonsei University, Seoul 120-749, South Korea. Publisher Copyright: © 2002-2011 IEEE.

PY - 2018/6

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N2 - Rotary HTS flux pumps are suitable for cryogenic applications, where it is difficult to implement direct physical connections between the device in question and an external power supply. Here we examine the proportional-integral-derivative (PID) control of a rotary HTS flux pump to compensate for a change in the current in the HTS field coil of a synchronous motor under operating conditions. The field coil current must be maintained constant to prevent output fluctuation of the synchronous motor. In this context, a prototype of the rotary HTS flux pump with rotating HTS tape is constructed for a synchronous motor in this study. A 600-turn electromagnet is used to inject magnetic flux into the HTS tape to charge the HTS coil. The magnetic field of the electromagnet is controlled via PID control with respect to the rotational speed and rotating direction of the machine. As a result, we successfully compensate for change in the current of the HTS coil by controlling the magnetic field of the electromagnet, while the rotating speed and direction are varied.

AB - Rotary HTS flux pumps are suitable for cryogenic applications, where it is difficult to implement direct physical connections between the device in question and an external power supply. Here we examine the proportional-integral-derivative (PID) control of a rotary HTS flux pump to compensate for a change in the current in the HTS field coil of a synchronous motor under operating conditions. The field coil current must be maintained constant to prevent output fluctuation of the synchronous motor. In this context, a prototype of the rotary HTS flux pump with rotating HTS tape is constructed for a synchronous motor in this study. A 600-turn electromagnet is used to inject magnetic flux into the HTS tape to charge the HTS coil. The magnetic field of the electromagnet is controlled via PID control with respect to the rotational speed and rotating direction of the machine. As a result, we successfully compensate for change in the current of the HTS coil by controlling the magnetic field of the electromagnet, while the rotating speed and direction are varied.

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PID Control of an Electromagnet-Based Rotary HTS Flux Pump for Maintaining Constant Field in HTS Synchronous Motors

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