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Grid connection of distributed generation would have a certain impact on safe and stable operation of receiving-end network, so systematic analysis on it would be significant. The method for comprehensive assessment on effects caused by grid connection of distributed generation on power grid is presented. The assessment system is divided into steady-state operation assessment, reliability assessment,...
A novel true random number generator is proposed and implemented on XC6SLX16. It consumes 44 LUTs and generates output bitrate at 125 Mbps without post-processing, or 2000 Mbps with post-processing. The underlying mechanism of chaotic dynamics in Boolean chaotic oscillator is also researched. With the utilization of the proposed entropy source, the new scheme can precede referenced designs in reliability,...
Special specimen was designed to study the morphology change of SnAgCu solder under the influence of electromigration (EM) alone. High current stressing was applied to the specimens so that EM of solder would happen at both room and high temperatures. The interfacial crack at cathode is the main failure mode, although the positions of crack maybe different under different temperatures. Localized hillocks...
Special specimen was designed to study the morphology change of SnAgCu solder under the influence of electromigration (EM) alone. High current stressing was applied to the specimens so that EM of solder would happen at both room and high temperatures. The interfacial crack at cathode is the main failure mode, although the positions of crack maybe different under different temperatures. Localized hillocks...
Improving operation efficiency and effectiveness, abiding law, and making financial reports reliable, are three objectives of internal control. In order to investigate the impacts of information technology on these objectives of internal control, this study made a empirical study of Chinese listed companies in China Informationization Top 500. The results show that higher level of information technology...
Based on the standard of International Electrotechnical Commission (IEC) on the thermal cycling test for a high concentration photovoltaic (HCPV) module, frequent current input must be applied when oven temperature exceeds 25°C. As such, the junction temperature of a solar cell chip would oscillate due to the joule heating effect. However, the fluctuation of the junction temperature might be one of...
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