44 citations · 80 across the 18 of their papers we have counts for
18 papers
Recent Advances in Tabletop Kibble Balance -- KBmini
Nanjia Li, Weibo Liu, Kang Ma +4
This paper presents recent advances in the KBmini Kibble balance, a tabletop system for E2-accuracy mass calibration up to 1 kg. The profile is characterized by manually se…
Design of a Miniature Kibble Balance for Kilogram-Scale Mass Calibration -- KBmini
Shisong Li, Nanjia Li, Weibo Liu +3
Tabletop version Kibble balances are a significant developing trend for mass realizations following the revised International System of Units. A key innovation through the miniatur…
Self-Error Correcting Method for Magnetic-Array-Type Current Sensors in Multi-Core Cable Applications
Xiaohu Liu, Keyu Hou, Kang Ma +7
Data-driven methods enable online assessment of error states in magnetic-array-type current sensors, and long-term measurement stability can be enhanced through further self-error…
An Approach for Restoring Magnetic Field Uniformity in Openable BIPM-Type Kibble Balance Magnets
Nanjia Li, Weibo Liu, Yongchao Ma +3
The Kibble balance realizes the kilogram by linking mechanical and electrical quantities via a magnet system. In an improved BIPM-type magnet design by Tsinghua University, an open…
An Evaluation of External Magnetic Flux Error in Magnet-Moving Kibble balances
Yongchao Ma, Wei Zhao, Songling Huang +1
The magnet-moving measurement scheme in Kibble balances avoids displacing force-sensitive components, such as the weighing cell, and enables a broader magnetic profile measurement…
A Compact Magnet System for the Tsinghua Tabletop Kibble Balance
Yongchao Ma, Nanjia Li, Weibo Liu +4
Although the so-called magnetic geometrical factor, , of a Kibble balance does not appear in the Kibble equations, it offers the precision link between electrical and mechanica…
A Bi-polar Current Source with High Short-term Stability for Tsinghua Tabletop Kibble Balance
Kang Ma, Xiaohu Liu, Wei Zhao +2
A high-precision current source, capable of supporting weighing measurements with a relative uncertainty at the level, is essential for Kibble balance experiments. Howeve…
A Determination of the Local Gravitational Acceleration for the Tsinghua Tabletop Kibble Balance
Weibo Liu, Nanjia Li, Yongchao Ma +5
The Kibble balance requires a measurement of the local gravitational acceleration, , with a typical relative measurement uncertainty of . In this paper, the determinati…
A Self-Healing Magnetic-Array-Type Current Sensor with Data-Driven Identification of Abnormal Magnetic Measurement Units
Xiaohu Liu, Kang Ma, Jian Liu +4
Magnetic-array-type current sensors have garnered increasing popularity owing to their notable advantages, including broadband functionality, a large dynamic range, cost-effectiven…
Design of the Tsinghua Tabletop Kibble Balance
Shisong Li, Yongchao Ma, Wei Zhao +2
The Kibble balance is a precision instrument for realizing the mass unit, the kilogram, in the new international system of units (SI). In recent years, an important trend for Kibbl…
A SVD-based Dynamic Harmonic Phasor Estimator with Improved Suppression of Out-of-Band Interference
Dongfang Zhao, Shisong Li, Fuping Wang +3
The diffusion of nonlinear loads and power electronic devices in power systems deteriorates the signal environment and increases the difficulty of measuring harmonic phasors. Consi…
A SVD-Based Synchrophasor Estimator for P-class PMUs with Improved Immune from Interharmonic Tones
Dongfang Zhao, Fuping Wang, Shisong Li +3
The increasing use of renewable generation, power electronic devices, and nonlinear loads in power systems brings more severe interharmonic tones to the measurand, which can increa…
A Two-Stage Wavelet Decomposition Method for Instantaneous Power Quality Indices Estimation Considering Interharmonics and Transient Disturbances
Yiqing Yu, Wei Zhao, Shisong Li +1
As the complexity increases in modern power systems, power quality analysis considering interharmonics has become a challenging and important task. This paper proposes a novel deco…
From to : A Survey of Major Impacts for Electrical Measurements in Recent SI Revision
Shisong Li, Qing Wang, Wei Zhao +1
A milestone revision of the International System of Units (SI) was made at the 26th General Conference on Weights and Measures that four of the seven SI base units, i.e. kilogram,…
Topology Identification in Distribution Networks using Harmonic Synchrophasor Measurements
Lei Chen, Mohammad Farajollahi, Mahdi Ghamkhari +3
Topology identification (TI) in distribution networks is a challenging task due to the limited measurement resources and therefore the inevitable need to use pseudo-measurements th…
A discussion of conservation on a two dimensional magnetic field plane in watt balances
Shisong Li, Wei Zhao, Songling Huang
The watt balance is an experiment being pursued in national metrology institutes for precision determination of the Planck constant . In watt balances, the magnetic field,…
Field representation of a watt balance magnet by partial profile measurements
Shisong Li, Jiansheng Yuan, Wei Zhao +1
Permanent magnets with high-permeability yokes have been widely used in watt balances for supplying a robust and strong magnetic field at the coil position. Subjected to the mechan…
Progress on accurate measurement of the Planck constant: watt balance and counting atoms
Shisong Li, Zhonghua Zhang, Wei Zhao +2
The Planck constant is one of the most significant constants in quantum physics. Recently, the precision measurement of the numeral value of has been a hot issue due to its…