High-temperature selenium rectifiers ¿ A survey of manufacturers´ data

ABOUT a year ago the Subcommittee on Technical Information of the AIEE Metallic Rectifier Committee undertook a program for the purpose of accumulating information on high-temperature selenium rectifiers. As one part of that program Battelle Memorial Institute acting in behalf of the Metallic Rectifier Committee prepared and sent to selenium rectifier manufacturers a questionnaire on high-temperature selenium rectifiers. The 85-per-cent response to the questionnaire is an indication of the fine co-operation extended by the manufacturers. The information thus obtained was used to assemble a report to the sponsoring committee. That report, supplemented by additional information obtained through personal contacts with a few manufacturers, make up the contents of this paper. To avoid possible disclosure of proprietary information, the discussion will be kept on a general level. It is hoped, however, that a survey of the views, achievements, and direction of a major portion of the industry will be found of some value to both the manufacturer and the consumer.