The new DC system insulation monitoring device based on phase differences of magnetic modulation
Abstract
According to the exiting issues of currently DC system insulation monitoring device, this paper developed a more comprehensive function monitoring device. The device adopted phase different of magnetic modulation detection principle. Though access to the unbalanced grounding relay, it can solve the conventional devices which unable to detect issue like: the DC system grounding simultaneity or equivalent insulation deterioration, with this method the device can determine a variety of ground failure correctly, and it also can predict the insulation decline. Because the 500kV transfer substation exiting serious electromagnetic interference which can make the data of insulation monitoring device inaccurate and work unstable. According to these phenomenon, we use a variety of anti-jamming measures on both hardware and software. This paper describes the overall hardware of the device composition and a detailed description of key technologies. Field experimental results show that the device may change from time to time to monitor the insulation resistance and have the ability to find out the grounding branches accurately; also it has no effects on disturbed capacitance. Currently, the device has been putting into use and working well.
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In Yin et al.'s method, when a common mode current flows through the coil, the excitation signal changes, and in combination with a voltage measurement the insulation resistance can be calculated.
“When a common mode current flows through the coil, the excitation signal will be changed and, in combination with a voltage measurement, the insulation resistance can be calculated.”
From Battery Management System Hardware Concepts: An Overview (2018) · cites this paper as [76]
Yin et al.'s method requires the main current conductors to be guided through the coil, which is a disadvantage of the system.
“However, in order for this method to work, the main current conductors have to be guided through the coil, which is a disadvantage of this system.”
From Battery Management System Hardware Concepts: An Overview (2018) · cites this paper as [76]
Yin et al. [76] measures common mode currents using a toroidal coil that is externally excited with an alternating signal.
“Yin et al. [76] measures common mode currents using a toroidal coil, which is externally excited with an alternating signal.”
From Battery Management System Hardware Concepts: An Overview (2018) · cites this paper as [76]
Cites
Understand ground fault detection and isolation in DC systems
Marrero, J. A. (2002) · Power Engineering Society Summer Meeting · doi:10.1109/pess.2000.868787 · Cited by 20 · see citing works
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Battery Management System Hardware Concepts: An Overview
Lelie, M., Braun, T., Knips, M., Nordmann, H., Ringbeck, F., Zappen, H., & Sauer, D. U. (2018) · Applied Sciences · doi:10.3390/app8040534 · Cited by 287 · see citing works
“[76] measures common mode currents using a toroidal coil, which is externally excited with an alternating signal.”
MethodSong, G., Luo, J., Gao, S., Wang, X., & Hussain, K. S. T. (2017) · International Journal of Electrical Power & Energy Systems · doi:10.1016/j.ijepes.2017.10.039 · Cited by 23 · see citing works
Chen, F., Ye, P., Gao, Z., Jiang, H., Zang, X., & Zhang, X. (2023) · Frontiers in Energy Research · doi:10.3389/fenrg.2023.1291552 · Cited by 2 · see citing works
Low Magnitude Direct Current Sensor Characteristics Improvement
Shtabel, N., Samotik, L., & Мизрах, Е. А. (2020) · International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM) · doi:10.1109/icieam48468.2020.9111898
An Efficient DC System Crosstalk Fault Detection and Localization Approach via Variable Bridge
Zou, S., Liu, B., Zhong, X.-C., & Zhang, S. (2026) · Electronics · doi:10.3390/electronics15184268
- Authors
- Yin, G., Liu, Y., Xu, H., Li, M., & Li, J.
- Affiliations
- State Grid Shandong Electric Power Company (China) (CN)
- ORCID
- Li, Jun
- Venue
- 2012 International Conference on Systems and Informatics (ICSAI2012)
- Publisher
- IEEE
- Published
- 2012-05
- Pages
- 585-589
- OpenAlex
- W1982080824
- Cited by
- 5
- References
- 1
- Citations by year
- 2026: 1 · 2023: 1 · 2020: 1 · 2018: 1 · 2017: 1
- FWCI
- 0.00
- Type
- conference paper
- Language
- en
- Open access
- closed
- Locations
- International Conference on Systems and Informatics (ICSAI) (publishedVersion)
- Topics
- Physical Sciences › Engineering › Control and Systems Engineering › Power Systems Fault Detection
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Electrical Fault Detection and Protection
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Magnetic Field Sensors Techniques
- Keywords
- electromagnetic interference, insulation resistance measurement
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