Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
English Electric Co Ltd
Original Assignee
English Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB778758Aexternal-prioritypatent/GB902998A/en
Priority claimed from GB778958Aexternal-prioritypatent/GB903000A/en
Application filed by English Electric Co LtdfiledCriticalEnglish Electric Co Ltd
Publication of ES247788A1publicationCriticalpatent/ES247788A1/en
A protective lifting system by phase comparison set in action according to the components of positive and negative succession of phases of the current in a protected three-phase circuit and including means for adjusting the control effect by relay of these phase succession components with respect to others. (Machine-translation by Google Translate, not legally binding)
ES0247788A1958-03-111959-03-09A protective relevant system by phase comparison (Machine-translation by Google Translate, not legally binding)
ExpiredES247788A1
(en)