منابع مشابه
WSN-Based Space Charge Density Measurement System
It is generally acknowledged that high voltage direct current (HVDC) transmission line endures the drawback of large area, because of which the utilization of cable for space charge density monitoring system is of inconvenience. Compared with the traditional communication network, wireless sensor network (WSN) shows advantages in small volume, high flexibility and strong self-organization, ther...
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A system for remotely measuring the distribution of air space charge in real time is developed. The system consists of a loudspeaker and an electric field antenna. By propagating a burst of directional sound wave from the speaker, a modulation in the space charge and, therefore, an electric field change at ground is produced. The distribution of the space charge density is derived from the E-fi...
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متن کاملThe Measurement of Interface State Charge in the Mos System
A simple method of measuring charge in surface states as a function of the surfacepotential in MOS transistors or MOS capacitors is proposed. A constant d.c. current is fed into the gate of an MOS transistor and with the help of an operational amplifier, the gate voltage V, with respect to the bulk is plotted as a function of gate charge Q,. The gate charge as a function of the surfacepotential...
متن کاملPulsed electro-acoustic (PEA) measurements of embedded charge distributions
Knowledge of the spatial distribution and evolution of embedded charge in thin dielectric materials has important applications in semiconductor, high-power electronic device, high-voltage DC power cable insulation, high-energy and plasma physics apparatus, and spacecraft industries. Knowing how, where, and how much charge accumulates and how it redistributes and dissipates can predict destructi...
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ژورنال
عنوان ژورنال: IEEJ Transactions on Fundamentals and Materials
سال: 2006
ISSN: 0385-4205,1347-5533
DOI: 10.1541/ieejfms.126.191