Design and Implementation of Wireless Voltage Monitoring System Based on Zigbee

Design and Implementation of Wireless Voltage Monitoring System Based on Zigbee

Luo Xiaohui
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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