JHILL is introducing our activities and the products through the papers to technical journal, domestic/international academic societies and symposiums at any time.
Sep. 2022
The 3rd proficiency testing for High voltage testing
Mar. 2022
Long-Term Stability of Reference Measuring System for Impulse High Voltage, IEEJ Transactions on Electrical and Electronic Engineering, Vol. 17, No. 3, p. 369-377, 2022
Dec. 2021
Calibration Scheme of Impulse-High-Voltage Measuring System Traceable to National Standards of Japan, IEEJ Transactions on Electrical and Electronic Engineering, Vol. 16, No. 12, pp. 1664-1671, 2021
Sep. 2020
The 2nd proficiency testing for High voltage testing
Apr. 2019
Development and Experience of Proficiency Test Scheme for High Voltage Testing，CIGRE-IEC 2019 Conference on EHV and UHV (AC&DC)
Sep. 2018
Start the proficiency testing for High voltage testing
Sep. 2017
Comparison Test of Switching-Impulse-High-Voltage Measuring Systems in Japan, ISH2017
Nov. 2015
"Comparison Test of High-Voltage Measuring Systems for Lightning Impulse in Japan",
IEEJ Trans. PE, Vol. 135,No. 11 P 675-680
Nov. 2014
"Comparison Test of Lightning Impulse High Voltage Measuring System in Japan",
International Workshop on High-Voltage Engineering, ED-14-097 SP-14-053, HV-14-109, Okinawa, Japan
Mar. 2014
Voltage Measuring System with Zener-diode, 2014 National Convention Record I.E.E. Japan
Mar. 2014
Development of Calibrator for Impulse Voltage Measuring System,2014 National Convention Record I.E.E. Japan
Sep. 2013
Design for Impulse Current Calibrator, CIGRE D1 WG35 IWD
Sep. 2013
EURAMET meeting of high voltage metrology experts,Brisbane, Australia
Sep. 2013
CIGRE D1. WG35, Brisbane, Australia
Aug. 2013
“Uncertainty of Time-Parameter Measurement of High Voltage Full Lightning Impulse by National-Standard Class Measuring System”, XVIII International symposium on high voltage engineering, Paper OC2-05, Seoul, Korea
Dec. 2012
Evaluation of Standard Impulse Voltage/Current Measuring Systems in Japan, , IEEJ Trans. on Electrical and Electronic Engineering, Vol. 7, No. S1
Oct. 2012
Domestic comparison test of the measuring system for lightning impulse voltage measurements (- Nov. 2012)
Aug. 2012
Step Response Test and Comparison Test Results for Impulse Current Standard Measuring System, CIGRE WG D1.35 IWD
Aug. 2012
EURAMET meeting of high voltage metrology experts, Stockholm, Sweden
Aug. 2012
CIGRE D1. WG35, Stockholm, Sweden
Jul. 2012
Application of Step-response Test for Evaluation of Uncertainty of Standard Measuring System for Lightning-Impulse High Voltage, Electrical Engineering in Japan, Volume 180, Issue 2, 30 July 2012, Pages: 24-32
Mar. 2012
International Comparison of Standard Systems for Impulse Current Measurement, IEEJ Trans. on Electrical and Electronic Engineering, Vol. 7, No. 2, pp. 161-165
Feb. 2012
Development of Impulse Voltage Calibrator for Standard Measuring System, IEEJ Trans. on Power & Energy, Vol. 132 No.2 pp.207-208 (in Japanese)
Aug. 2011
UNCERTAINTY OF PEAK-VALUE MEASUREMENT OF LIGHTNINGIMPULSE HIGH VOLTAGE BY NATIONAL-STANDARD-CLASS MEASURING SYSTEM, XVII International symposium on high voltage engineering, Paper C-027, Hannover, Germany
Aug. 2011
COMPARISON TEST OF TRANSDUCERS AND REFERENCE SYSTEM FOR IMPULSE CURRENT MEASUREMENT, ISHXVII International symposium on high voltage engineering, Paper C-028, Hannover, Germany
Aug. 2011
EURAMET meeting of high voltage metrology experts, Stralsund, Germany
Aug. 2011
CIGRE D1. WG35, Hannover, Germany
May 2011
Application of Step-response Test for Evaluation of Uncertainty of Standard Measuring System for Lightning-Impulse High Voltage, IEE of Japan Trans. on Power & Energy, Vol. 131, No. 5, (in Japanese)
Mar 2011
Latest research on the standard of impulse voltage measurement in Japan,
Technical Meeting on High-Voltage Technology between Thai and Japanese Universities, Bangkok, Thailand
Aug. 2010
EURAMET meeting of high voltage metrology experts, Funchal, Portugal
Aug. 2010
CIGRE D1. WG35, Funchal, Portugal
Jan. 2010
International comparison test for the impulse current measuring system(with KERI, KOREA)
Nov. 2009
Regular calibration of the national standard impulse voltage measuring system
Aug. 2009
EURAMET meeting of high voltage metrology experts, Budapest, Hungary
Aug. 2009
CIGRE D1.33 WG01, Budapest, Hungary
Aug. 2009
Stability of Step-response Parameters of Standard Impulse Voltage Divider for Lightning Impulse, 16th International Symposium on High voltage Engineering
Jun. 2009
Domestic comparison test for the impulse current measuring system (-Aug.2010)
Jul. 2009
Stability of Step-Response Parameters of Standard Impulse Voltage Divider for Lightning Impulse, IEE of Japan Trans. on Power & Energy, Vol. 129, No. 7, (in Japanese)
Nov. 2008
Regular calibration of the national standard impulse voltage measuring system
Aug. 2008
EURAMET meeting of high voltage metrology experts, Mallorca, Spain
Aug. 2008
CIGRE D1.33 WG01, Mallorca, Spain
Nov. 2007
Regular calibration of the national standard impulse voltage measuring system
May 2007
Latest research activity on the standard of high-voltage impulse in Japan, IEEJ Trans. on Electrical and Electronic Engineering, Vol. 2, No. 5
Feb. 2007
International Comparison Test in Asia-Pacific Region for Impulse Voltage Measurements, IEE of Japan Trans. on Power & Energy, Vol.127, No.2, (in Japanese)
Apr. 2007
High Accuracy Comparison of Lightning and Switching Impulse Calibrators, IEEE Trans. Instrumentation and Measurement, Vol.56 No.2
Jan. 2007
Construction and Performance Evaluation of Calibration System for Low Voltage Impulse, IEE of Japan Trans. on Power & Energy, Vol.B127, No.1, (in Japanese)
Jan. 2007
Performance Evaluation of National Standard Class Measurement System for Lightning Impulse Voltage, IEE of Japan Trans. on Power & Energy, Vol.B127, No.1, (in Japanese)
Dec. 2006
Uncertainty Evaluation of National Standard Class Impulse Calibrator, IEE of Japan, Vol. B126, No. 12, (in Japanese)
Aug. 2005
Comparisons between impulse voltage calibrators and digitizers, 14th International Symposium on High Voltage Engineering