Pulsed-plasma treatment of polluted gas using wet-/low-temperature corona reactors

Shimizu, Kazuo; Kinoshita, Katsuhiro; Yanagihara, K.; Rajanikanth, BS; Katsura, Shinji; Mizuno, Akira

doi:10.1109/28.633822

Cited by 29 publications

(12 citation statements)

References 5 publications

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“…The discharge power is computed by sampling the voltage and the corresponding current, there by obtaining the instantaneous power. Later the average power is obtained by averaging over the instantaneous values [25]. The power computed for the case of DC corona is found to be much lesser than that of the AC corona (~ 10 times).…”

Section: Corona Discharge Activitymentioning

confidence: 99%

Corona degradation of the polymer insulator samples under different fog conditions

Reddy

2016

IEEE Trans. Dielect. Electr. Insul.

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Corona discharges resulting from the metal parts of insulators and the line hardware affect the long term performance of the polymeric insulators used for outdoor application and can lead to its eventual failure. The authors previous work, involved in developing a new methodology to evaluate the performance of polymeric shed materials subjected to corona stresses in the presence of natural fog condition, results revealed more surface hydroxylation thereby resulting in more loss of hydropobhicity. With the increase in industrialization, there is an increase in acidic component of the rain as well as the fog (moisture). The present work, reports the effect of acid fog on the corona performance of the polymeric insulators for both AC and DC excitation, interesting results are obtained. A comparison of the experimental investigations revealed that the acidic fog has more effect than that of the normal fog. This fact has been confirmed by physico-chemical analysis like the scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), x-ray photoelectron spectroscopy (XPS) and contact angle measurement. The effect of DC corona is found to be lesser in comparison with the AC; however the hydroxylation induced by the DC corona under the presence of fog is similar with that of AC excitation.Index Terms -acidic fog, Corona, Fourier transform infrared spectroscopy, moisture, silicone rubber, surface oxidation, leakage current.

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Section: Corona Discharge Activitymentioning

confidence: 99%

Corona degradation of the polymer insulator samples under different fog conditions

Reddy

2016

IEEE Trans. Dielect. Electr. Insul.

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“…After determining the maximum current, phase shift control is necessary for satisfying the minimum current of the load requirement and preventing drop-out. The phase shift angle for satisfying the minimum output current with phase shift control can be calculated using Equation (1). The consideration point for satisfying the phase shift angle which is calculated to regulate the minimum output current in the inverter is the phase difference between the inverter voltage and the current.…”

Section: Analysis Of Lcl Resonant Networkmentioning

confidence: 99%

“…The phase shift control is also necessary for satisfying the minimum output current of the LCCL network. In this case, the phase shift angle satisfying the minimum output current can be calculated using Equation (1), and the phase shift angle is equal to the case of the LCL network case because both networks are designed for the same maximum current. In the case of the LCL network, designing the phase difference between the inverter voltage and current is difficult because the values of Lr, Cr, and Llkg are already fixed in order to satisfy the maximum output current.…”

Section: Analysis Of Lccl Resonant Networkmentioning

confidence: 99%

“…Plasma generators are used in various industrial fields for display panels and in the wafer cleaning process of semiconductors. According to the growth in the display and semiconductor markets, plasma generators are becoming increasingly important in industrial fields [1,2]. These plasma generators are conventionally constructed as a power conditioning system (PCS) and a chamber for plasma generation.…”

Section: Introductionmentioning

confidence: 99%

“…In order to implement ZVS, the phase shift technique or load resonant technique has been used in previous research on the inverter. In order to achieve ZVS, the inverter should be designed in consideration of the following load characteristics in the plasma load case [5]: (1) the resistance of the load is increased in proportion to the gas injected into the chamber; (2) the resistance of the load is changed in inverse proportion to the load current [6]; (3) a constant load current is recommended for maintaining the stable plasma state; (4) the THD of the load current should be low for effective plasma generation [7][8][9].…”

Section: Introductionmentioning

confidence: 99%

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Comparison and Design of Resonant Network Considering the Characteristics of a Plasma Generator

Koo¹,

Sung²,

Lee³

2019

Energies

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This paper presents a theoretical analysis and experimental study on the resonant network of the power conditioning system (PCS) for a plasma generator. In order to consider the characteristics of the plasma load, the resonant network of the DC-AC inverter is designed and analyzed. Specifically, the design of an LCL resonant network and an LCCL resonant network, which can satisfy the output current specification in consideration of plasma characteristics, is explained in detail. Moreover, the inverter current and phase angle between the inverter voltage and current is derived for evaluating inverter performance. Based on these analysis results, the DC-AC inverter can be designed for a plasma generator considering plasma load characteristics. The theoretical analysis of both networks is validated through the simulation and experimental results.

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Removal of SO₂ and NO_x from Flue Gas by Pulsed Corona Discharges

Cheng

Chen

2005

Dev. Chem. Eng. Mineral Process.

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Pulsed-plasma treatment of polluted gas using wet-/low-temperature corona reactors

Cited by 29 publications

References 5 publications

Corona degradation of the polymer insulator samples under different fog conditions

Corona degradation of the polymer insulator samples under different fog conditions

Comparison and Design of Resonant Network Considering the Characteristics of a Plasma Generator

Removal of SO₂ and NO_x from Flue Gas by Pulsed Corona Discharges

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Pulsed-plasma treatment of polluted gas using wet-/low-temperature corona reactors

Cited by 29 publications

References 5 publications

Corona degradation of the polymer insulator samples under different fog conditions

Corona degradation of the polymer insulator samples under different fog conditions

Comparison and Design of Resonant Network Considering the Characteristics of a Plasma Generator

Removal of SO2 and NOx from Flue Gas by Pulsed Corona Discharges

Contact Info

Product

Resources

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Removal of SO₂ and NO_x from Flue Gas by Pulsed Corona Discharges