Design of a novel fast turn-off circuit of transient electromagnetic transmitter

In view of problem that turn-off time of emission current of transient electromagnetic transmitter is overlong caused by parasitic inductance of the transmitter coils, a novel fast turn-off circuit was designed. During the decline of transmitting current, the fast turn-off circuit uses transistors t...

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Main Authors: WANG Guangjun, MIN Deshun
Format: Article
Language:zho
Published: Editorial Department of Industry and Mine Automation 2016-11-01
Series:Gong-kuang zidonghua
Subjects:
Online Access:http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.2016.11.019
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author WANG Guangjun
MIN Deshun
author_facet WANG Guangjun
MIN Deshun
author_sort WANG Guangjun
collection DOAJ
description In view of problem that turn-off time of emission current of transient electromagnetic transmitter is overlong caused by parasitic inductance of the transmitter coils, a novel fast turn-off circuit was designed. During the decline of transmitting current, the fast turn-off circuit uses transistors to provide an additional new discharge circuit, which takes advantages of its large resistance and low discharge time constant to realize quick turn-off of the transmitting current. The results of simulation and experiment show that the novel circuit can decrease the turn-off time of transient electromagnetic transmitter effectively with high stability.
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spelling doaj.art-c63b680abbe549d6bfc184b9c3a498012023-03-17T01:41:47ZzhoEditorial Department of Industry and Mine AutomationGong-kuang zidonghua1671-251X2016-11-014211778010.13272/j.issn.1671-251x.2016.11.019Design of a novel fast turn-off circuit of transient electromagnetic transmitterWANG Guangjun0MIN Deshun1School of Automation, China University of Geosciences(Wuhan), Wuhan 430074, ChinaSchool of Mechanical Engineering and Electronic Information, China University of Geosciences(Wuhan), Wuhan 430074In view of problem that turn-off time of emission current of transient electromagnetic transmitter is overlong caused by parasitic inductance of the transmitter coils, a novel fast turn-off circuit was designed. During the decline of transmitting current, the fast turn-off circuit uses transistors to provide an additional new discharge circuit, which takes advantages of its large resistance and low discharge time constant to realize quick turn-off of the transmitting current. The results of simulation and experiment show that the novel circuit can decrease the turn-off time of transient electromagnetic transmitter effectively with high stability.http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.2016.11.019transient electromagnetic transmitterdischarge circuittime constantfast turn-off
spellingShingle WANG Guangjun
MIN Deshun
Design of a novel fast turn-off circuit of transient electromagnetic transmitter
Gong-kuang zidonghua
transient electromagnetic transmitter
discharge circuit
time constant
fast turn-off
title Design of a novel fast turn-off circuit of transient electromagnetic transmitter
title_full Design of a novel fast turn-off circuit of transient electromagnetic transmitter
title_fullStr Design of a novel fast turn-off circuit of transient electromagnetic transmitter
title_full_unstemmed Design of a novel fast turn-off circuit of transient electromagnetic transmitter
title_short Design of a novel fast turn-off circuit of transient electromagnetic transmitter
title_sort design of a novel fast turn off circuit of transient electromagnetic transmitter
topic transient electromagnetic transmitter
discharge circuit
time constant
fast turn-off
url http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.2016.11.019
work_keys_str_mv AT wangguangjun designofanovelfastturnoffcircuitoftransientelectromagnetictransmitter
AT mindeshun designofanovelfastturnoffcircuitoftransientelectromagnetictransmitter