High voltage AC-DC difference measurements underhumidity step changes

被引：2
|
作者：
Liu, LX [1 ]
Chua, SW [1 ]
Ang, CK [1 ]
机构：
[1] Singapore Stand Product & Innovat Board SPRING Si, Natl Meteorol Ctr, Singapore 118221, Singapore
来源：
IEE PROCEEDINGS-SCIENCE MEASUREMENT AND TECHNOLOGY | 2002年 / 149卷 / 06期
关键词：
Calculations - Differential equations - Electric impedance - Frequencies - Mathematical models - Resistors - Standards - Transfer functions - Voltage measurement;
D O I：
10.1049/ip-smt:20020745
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Preliminary results of AC-DC difference measurements using a thermal voltage converter with range resistor. under humidity change conditions are reported. The AC-DC difference measurement results, from a Holt-11 thermal converter at 100 and 200 V and frequency range from 40Hz to 100kHz, have shown that a first-order differential equation can be used to model this phenomenon. The humidity coefficients for the model are found to be frequency dependent and the time constants are related to the changes of humidity.
引用
收藏
页码：317 / 319
页数：3
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