Non-contact voltage monitoring of three-phase power cables

Non-contact voltage monitoring involves continuously measuring conductor voltages without contacting the conductors. This thesis explores several methods of using parasitic capacitive coupling to monitor AC voltages in three-phase power cables. Using an existing sensor architecture, three-phase line voltages are accurately reconstructed through intrusive calibration techniques. Experimental results are presented for measuring 60 Hz line voltages using high-frequency calibration. This thesis also describes a new method of voltage monitoring, presenting a new circuit designed to monitor line-line voltages without requiring intrusive control of or injection onto the line voltages during calibration. Analysis and simulation of this system is shown, demonstrating accurate reconstruction for reasonably balanced line-line voltages.

Name thesis:degree_name

Master

Department dc:contributor.department

Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science

Grantor dc:publisher

Massachusetts Institute of Technology

Year dc:date.issued

2020

Author dc:creator

• Camenzind, Kathy(Katherine A.)

Advisor dc:contributor.advisor

• Steven B. Leeb and Daisy Green.

• Electrical Engineering and Computer Science.

Statement dc:rights

• MIT theses may be protected by copyright. Please reuse MIT thesis content according to the MIT Libraries Permissions Policy, which is available through the URL provided.

Licence dc:rights.uri

• http://dspace.mit.edu/handle/1721.1/7582

Language dc:language.iso

eng

Handle dc:identifier.uri

https://hdl.handle.net/1721.1/127909

OAI identifier oai:identifier

oai:dspace.mit.edu:1721.1/127909