Results 111 to 120 of about 8,848 (229)
Recent Advances in Vacuum Circuit Breakers
Kimonas Papadiotis +3 more
openaire +1 more source
Fault Diagnosis of Medium Voltage Circuit Breakers Based on Vibration Signal Envelope Analysis. [PDF]
Wu Y, Zhang J, Yuan Z, Chen H.
europepmc +1 more source
Based on vibration signal of high voltage circuit breaker,a new method of intelligent fault diagnosis that wavelet packet extracts energy entropy which are used as characteristic vector of the support vector machine(SVM)to construct classifier for fault ...
YANG Zhuangzhuang +5 more
doaj
Large-capacity high voltage direct current circuit breakers (HVDC CBs) are critical equipment for achieving reliable operation of future multiterminal HVDC systems.
Siyuan Liu +5 more
doaj +1 more source
Retention and application of Skylab experiences to future programs [PDF]
The problems encountered and special techniques and procedures developed on the Skylab program are described along with the experiences and practical benefits obtained for dissemination and use on future programs.
Gillespie, V. G., Kelly, R. O.
core +1 more source
Spacecraft nitrogen generation [PDF]
Two spacecraft nitrogen (N2) generation systems based on the catalytic dissociation of hydrazine (N2H4) were evaluated. In the first system, liquid N2H4 is catalytically dissociated to yield an N2 and hydrogen (H2) gas mixture.
Carlson, J. N. +3 more
core +1 more source
Specifications for and preliminary design of a plant growth chamber for orbital experimental experiments [PDF]
It was proposed that plant experiments be performed on board the space shuttle. To permit the proper execution of most tests, the craft must contain a plant growth chamber which is adequately designed to control those environmental factors which can ...
Simmonds, R. C., Sweet, H. C.
core +1 more source
Study on the fast response characteristics and mechanical reliability of high-voltage circuit breaker solenoid valves. [PDF]
Zhang Y, Zhang G, Wang X, Sun Y, Gao B.
europepmc +1 more source
Space station common module network topology and hardware development [PDF]
Conceptual space station common module power management and distribution (SSM/PMAD) network layouts and detailed network evaluations were developed. Individual pieces of hardware to be developed for the SSM/PMAD test bed were identified.
Anderson, P. +9 more
core +1 more source

