An ultra-high-speed protective relay has been an important topic within the scientific community, and specifically power industry, for decades. The main drivers are anticipated improvements in system stability transfer capability which have become even more with increased penetration of renewable generation sources. operate time is a relatively small part required improvement, since circuit bre...

AIMS To evaluate all thyroid fine needle aspirations (FNA) done over a six year period to assess the accuracy and value of the technique. METHODS There were 335 FNAs of which 184 had subsequent histology and 49 others had clinical follow up, providing 233 patients for analysis. All cytology and histology was reviewed with no significant alterations in diagnosis. The FNAs were classified into ...