These are the strongest characters to use without spending money in Arknights: Endfield. These free-to-play characters are ...

Abstract: High-frequency current transformers (HFCTs) are well suited as sensors for measuring transient current signals on power cables, such as partial discharges (PD). If the HFCT is well designed ...

Abstract: Guidance for the application of ac high-voltage circuit breakers switching capacitive currents is provided. The general theory of capacitive current switching and the notions of restrike, ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...