Title: Design for making current ratio standard and the product thereof
Application Number: 85100355 Application Date: 1985.04.01
Publication Number: 1002571 Publication Date: 1986.08.20
Approval Pub. Date: Granted Pub. Date: 1989.09.27
International Classifi-cation: H01F40/06
Applicant(s) Name: Xiangtan Electrical Machinery Plant Address:
Inventor(s) Name:
Attorney & Agent: CHEN SHOUGUANG
Abstract:
     The design is especially suitable for making double-stage current transformer and current comparator with wide-band. In accordance with the invention, a case shield are utilized which shield is made from diamagnetic metal. According to the design of the invention, the product is characterized by having suitable frequency bandwidth from 50 to 10000 Hz and accuracy up to 0.0005 grade.
Time: 13