Design and Implementation of Wireless Voltage Monitoring System Based on Zigbee

Design and Implementation of Wireless Voltage Monitoring System Based on Zigbee

Luo Xiaohui (Chongqing College of Electronic Engineering, Chongqing, China)
DOI: 10.4018/IJITWE.2017070108
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This paper proposed a low cost wireless monitoring system based on ZigBee wireless transmission, and designed a new floating voltage sensor which is suitable for the monitoring of medium voltage and high voltage(MV/HV) public equipment. The system used TI-CC2530 as the controller, proposed a new moving average voltage sensing(MAVS) algorithm by reasonable assumptions, and adopted algorithms to perform the theoretical analysis for the single phase and three-phase voltage. At last, the author carried out a practical experiment on the wireless floating voltage sensor under the voltage up to 30kV, the experimental results showed that the proposed low cost wireless sensor can achieve a good voltage monitoring function, and the error is less than 3%.
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2. Principle Of Floating Voltage Sensor

As shown in Figure 1, if a low-cost voltage sensor has two flats, then, for the standard overhead transmission lines, with the increase of IJITWE.2017070108.m01 (Mousavi, Bozorg, & Cherkaoui, 2013), the IJITWE.2017070108.m02 value is only a few millimeters to centimeters. Compared with the change in IJITWE.2017070108.m03, the change in IJITWE.2017070108.m04 will be more obvious and if using low-pass RC filter in the IJITWE.2017070108.m05 end to measure the voltage of IJITWE.2017070108.m06, then, the displacement current value can be obtained by the following equation:

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