Wireless Sensor Network for Radiometric Detection and Assessment of Partial Discharge in High‐Voltage Equipment
Citations
73 citations
Cites background from "Wireless Sensor Network for Radiome..."
...With the development of wireless communication technology, wireless sensors provide high flexibility for sensor installation and data transmission [45,46]....
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Cites background or methods from "Wireless Sensor Network for Radiome..."
...The experimental study suggests that PD signal bandwidth remains between 50–800 MHz, the used passbands have a frequency range from 30 to 75 MHz and 255 to 320 MHz [34,35]....
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...The use of RF filters and LNA enables RF front end part of the system to generate the frequency response in the range of 30 to 75 MHz and 255 to 320 MHz with the noise figure value from 5–7 dB and passband gain value of 12–14 dB....
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...Spectral analysis insi a l. Sensors 2018, 18, 4000 9 of 19 As illustrated in Figure 6, the frequency span was chosen from 50 MHz to 1 GHz covering the whole desired band....
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...RF Filters 30 – 75 MHz 255-320 MHz LNA Envelope Detector 0.1 – 1000 MHz RF Front End Microcontroller ADC WirelessHart Transceiver ( LTC5800 ) 2.4GHz Transmitter part Comparator Integrator Monostable Signal Conditioning Unit Amplifier Microcontroller Unit Rx antenna Tx antenna Figure 7....
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...Sensors 2018, 18, 4000 9 of 19 As illustrated in Figure 6, the frequency span was chosen from 50 MHz to 1 GHz covering the whole desired band....
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References
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"Wireless Sensor Network for Radiome..." refers background in this paper
...To avoid the measurements of PD intensity being inflated by communication signals, the measurement is limited to frequencies below 320 MHz, where the majority of PD activity occurs....
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...800 MHz, with the majority below 300 MHz (Albarracín et al., 2016; Hoshino et al., 2001; Jaber et al., 2017; Robles et al., 2012, 2013; Tenbohlen et al., 2008; Xiao et al., 2009); therefore, a sensor bandwidth in this region was selected....
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...358 800 MHz, with the majority below 300 MHz (Albarracín et al., 2016; Hoshino et al., 2001; Jaber et al., 2017; Robles et al., 2012, 2013; Tenbohlen et al., 2008; Xiao et al., 2009); therefore, a sensor bandwidth in this region was selected....
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...The receiving antenna is connected to the RF front end, which contains a band-pass filter for the 30–320 MHz band, a band-stop filter for the 75–255 MHz band, an ADL5530 low-noise amplifier, and an LTC5507 RF envelope detector....
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...There are two resulting pass-bands from 30 to 75 MHz and from 255 to 320 MHz, with a midband gain between 11.7 and 14.4 dB and a measured noise figure of 5–7 dB. Figure 3 shows the frequency response of the RF front end....
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155 citations
"Wireless Sensor Network for Radiome..." refers methods in this paper
...…the detection and location of PD sources, such as time of arrival and time difference of arrival (Judd, 2008; Li et al., 2017; Moore et al., 2003; Portugues et al., 2009; Robles et al., 2016; Zhu et al., 2016, 2017), employ technologies that require high-speed data acquisition and relatively…...
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...Traditional radiometric techniques for the detection and location of PD sources, such as time of arrival and time difference of arrival (Judd, 2008; Li et al., 2017; Moore et al., 2003; Portugues et al., 2009; Robles et al., 2016; Zhu et al., 2016, 2017), employ technologies that require high-speed data acquisition and relatively large amounts of data processing, as well as synchronization between nodes, making the design of the sensor nodes complex and costly....
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