Design of the Transient Memory of Extremely Large Size for Electric Field Changes due to the Lightning Discharge and Observation Results during Summer and Winter Thunderstorms
Open Access
- 1 January 1991
- journal article
- Published by Institute of Electrical Engineers of Japan (IEE Japan) in IEEJ Transactions on Power and Energy
- Vol. 111 (5) , 521-528
- https://doi.org/10.1541/ieejpes1990.111.5_521
Abstract
A new transient memory, which has 1 Mbytes buffer memories and can record the electric field changes due to lightning discharges for at most 524 mill seconds, is designed to study the whole process of the lightning discharge. To realize the system, a commercially avallable personal computer and a memory board are used and the special software is also developed. As the sensor, a new type slow antenna, which maintains the features of both so called slow antenna and fast antenna, is also manufactured. The system itself is controlled by the personal computer, and then without any manual operation the obsrevation can be carried out. With this system the obsrevations during both summer and winter thunderstorm seasons were performed. During summer the system recorded the eletric field changes with multi strokes and continuous current. During winter it recorded the whole process of lightning discharges from the preliminaly breakdown through the return stroke, and continuous current. The utility of the system can be approved and some remarkable features of lightning discharges are obtained.Keywords
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