Results 61 to 70 of about 857,858 (237)
Abstract Distribution transformers may experience insulation breakdown or degradation when exposed to the influences of high‐altitude electromagnetic pulse (HEMP), thus posing significant threats and uncertainties to the safety and stable operations of power systems.
Feng Qin+5 more
wiley +1 more source
NASA Tech Briefs Index, 1977, volume 2, numbers 1-4 [PDF]
Announcements of new technology derived from the research and development activities of NASA are presented. Abstracts, and indexes for subject, personal author, originating center, and Tech Brief number are presented for ...
core +1 more source
High‐speed dynamic sensing and analysis of high voltage circuit breaker spring‐operating mechanism
Abstract Diagnosing the operational status of High‐voltage circuit breakers (HVCBs) is crucial for ensuring the safe and stable operation of the grid. Mechanical characteristic parameters are effective indicators for evaluating the performance of HVCBs.
Quan Yuan+7 more
wiley +1 more source
Certification of lightning protection for a full-authority digital engine control [PDF]
FADEC systems present many challenges to the lightning protection engineer. Verification of the protection-design adequacy for certification purposes presents additional challenges.
Dargi, M., Rupke, E., Wiles, K.
core +1 more source
ABSTRACT Power grid is an indispensable infrastructure in modern society, in order to ensure the normal operation of the grid, online non‐contact monitoring of high‐voltage lines is essential. In this work, a ‘capacitor–laser diode (LD)–capacitor’ structure, namely, laser diode in capacitors (LDIC), that can be used for non‐contact monitoring of high ...
Pengpeng Wang+10 more
wiley +1 more source
Smartphone ophthalmoscope as a tool in teaching direct ophthalmoscopy: a crossover randomized controlled trial. [PDF]
Wang H+4 more
europepmc +1 more source
Circuit protection devices for transient suppression [PDF]
The Electromer Corporation has developed a series of transient voltage suppression components based on a patented, specially formulated PolyClamp (trademark) material.
Childers, Richard
core +1 more source