| US 7,516,651 B2 | ||
| Method and apparatus to determine moisture content in solid insulation | ||
| Jacques Aubin, Montreal (Canada); Claude Beauchemin, Valleyfield (Canada); and Nagui Kamel, Ville St. Laurent (Canada) | ||
| Assigned to General Electric Company, Schenectady, N.Y. (US) | ||
| Filed on Jun. 15, 2006, as Appl. No. 11/453,516. | ||
| Prior Publication US 2007/0289367 A1, Dec. 20, 2007 | ||
| Int. Cl. G01N 5/02 (2006.01) | ||
| U.S. Cl. 73—73 [73/74; 73/75] | 15 Claims |
| 1. A method of determining water content of a solid insulation at a specific location within a transformer, the method comprising:
determining a temperature of the solid insulation at a specific location;
calculating a relative moisture saturation of the oil at the specific location;
calculating the ultimate water content in the solid insulation at the specific location; and
calculating an actual water content in the solid insulation at the specific location.
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