Don Stuehm
Professor
-
- EE Department
- North Dakota State University
- Fargo, ND 58105
- Telephone: (701)231-7614
- Fax: (701)231-8677
- Email address: Stuehm@badlands.nodak.edu
Key Words:
transformers,
ferroresonance,
power quality,
motors
Research description:
FERRORESONANCE - analyzed ferroresonance conditions in distribution
transformers.
TRANSFORMER MODELING - developed EMTP models for three-legged and
five-legged stacked core transformers and five-legged wound core
transformers. Compared model results to measurements.
Analyzed WRITTEN-POLE motor in a utility application.
Lab Facilities:
Three-phase variable voltage, variable freq, 6KVA source;
Torque Meter; 5-legged, 3-legged stacked core distribution
transformers; 5-legged wound core distribution transformers; Power Quality
Meter; Multi-channel Digital Oscilloscopes; Relays - analog and digital
Relay; test equipment; Software for analyzing power electronics, motors,
power systems; Various motors - ac, dc, universal 330 V; 10KW dc supply
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