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Product Information :

Product Name:  
Summation
Product Category:   การวัดและทดสอบ, เครื่องมือวัดและทดสอบ
Product Sub-Category:   เอไอ
Brand:   AI 
Product Type :   สินค้า, ผลิตภัณฑ์ 
เครื่องมือ, เครื่องจักรและอุปกรณ์ 
บริการ 
     
 
Summation CTs obtain the cetorial sum of the currents of several lines belonging to one voltage system. The use of these CTs is necessary when the ratios of the main CTs are not equal, In order to obtain a correct vectorial sum it is necessary to specify the ratio values of the individual main CTs. The use of summation CTs is also suggested when the ratios of the main CTs are equal, in order to prevent any possible current flows between secondary windings. In this case it is not necessary to specify CT ratios. Summation current transformers are designed to sum up secondary currents of a number of mains’ CTs. The numbers of mains’ CTs to be totaled may ranged from 2 to 6 and are available for 1A or 5A secondary current ratings.
 

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