There is not an exact formula for calculating the transformer turns ratio. Table 1 lists some empirically derived transformer turns ratio for a variety of CCFL lamps. As can be seen from the table, the transformer turns ratio decreases as the DC supply voltage increases, and the transformer tur...
time ratio, control transformer's state is opened, is closed to the executable module through the change switching element, the utility model discloses can make the electric welding in the no matter excessive pressure, under -voltage of when output, still overflow, the undercurrent, control that...
Measurements reveal that the proposed transformer has a turn ratio of n = 5.59, a coupling coefficient of k = 0.7, and an inductance density of 1052 nH/mm2. 展开 关键词: CMOS technology coupling coefficient inductance density on-chip transformer turn ratio ...
(a) Temperature distribution of low-voltage winding when the short-circuit turns ratio is 1.42%. (b) Temperature distribution of high-voltage winding when the short-circuit turns ratio is 1.42%. (c) Temperature distribution of low-voltage winding when the short-circuit turns ratio is 2.83%. ...
processes Article Analysis of Turn-to-Turn Fault on Split-Winding Transformer Using Coupled Field-Circuit Approach Cunxiang Yang 1, Yiwei Ding 1,* , Hongbo Qiu 1 and Bin Xiong 2,3 1 Electrical and Information Engineering Institute, Zhengzhou University of Light Industry, Zhengzhou 450002, China;...