Empirical Investigation on Breakdown Characteristics of Air – CO2 Gas Mixtures Under AC and DC Voltages

 
 
 
  • Abstract
  • Keywords
  • References
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  • Abstract


    For years there have been countless efforts to find an environmental-friendly gas or gas mixtures to minimize SF6. Researchers have been ongoing to find its alternatives where there are few gasses used to minimize SF6, such as carbon dioxide (CO2) and air. This paper aimed to study the effects of field uniformity towards breakdown characteristic of air-CO2 gas mixtures under AC and DC voltage. Two types of electrodes were used in this experiment which are sphere-sphere electrode (D=5cm) and the rod-rod electrode. Other than that, there are five level of gap distances (0.5cm-2.5cm) with three mixing ratios (100% air–0% CO2, 70% air–30% CO2, 50% air-50% CO2) in 2 bar (abs). The results show the breakdown voltage (U50) of the sphere-sphere electrode is higher than the rod-rod electrode under AC and DC voltage. Besides, as the U50 goes higher, the Emax will be decreasing in any mixing ratio under AC and DC voltage. As for the results, the sphere-sphere electrode is more uniform field than the rod-rod electrode. Moreover, the sphere-sphere electrode has shown the highest withstand capacity of breakdown since they have provided less stress to the field gaps.


  • Keywords


    Air; breakdown voltage; CO2, field utilization factor; maximum electric field

  • References


      [1] Beroual A & Coulibaly ML (2016), Experimental investigation of breakdown voltage of CO2, N2 and SF6 gases, and CO2-SF6 and N2–SF6 mixtures under different voltage waveforms. IEEE Int. Power Modul. High Volt. Conf., pp. 292–295.

      [2] Guo C, Zhang Q, You H, Ma J, Li Y, Wen T & Qin Y (2017), Influence of electric field non-uniformity on breakdown characteristics in SF6/N2 gas mixtures under lightning impulse. IEEE Journals Mag., vol. 24, no. 4, pp. 2248–2258.

      [3] Meijer S, Smitt JJ & Girodet A (2006), Comparison of the breakdown strength of N2, CO2 and SF6 using the extended up-and-down method. IEEE 8th Int. Conf. Prop. Appl. Dielectr. Mater., pp. 653–656.

      [4] Ambo NF, Zainuddin H, Kamarudin MS, WJM & Zahari A (2018), Finite element analysis of maximum electric field for air breakdown under various electrode configurations. Indones. J. Electr. Eng. Comput. Sci., vol. 10, no. 2, pp. 416–425.

      [5] Kamarudin MS, Haddad A, Kok BC & Jamail NAM (2017), Pressurized CF3I-CO2 Gas Mixture under Lightning Impulse and its Solid By-Products, vol. 7, no. 6, pp. 3088–3094.

      [6] Hu Zhoa HL & Yunkun Deng (2017), Study of the synergistic effect in dielectric breakdown property of CO2–O2 mixtures. Am. Inst. Phys., vol. 7.

      [7] Howard Cohen E (1956), The electric strength of highly compressed gases. Proc. IEE - Part A Power Eng., vol. 103, no. 7, pp. 57–68.

      [8] Seeger M, Stoller P & Garyfallos A (2017), Breakdown fields in synthetic air, CO2, a CO2 / O2 mixture, and CF4 in the pressure range 0.5-10 MPa. IEEE Trans. Dielectr. Electr. Insul., vol. 24, no. 3, pp. 1582–1591.

      [9] Chen Z, Niu C, Zhang H, Sun H, Wu Y, Yang F, Rong M & Xu Z (2015), Investigation on the reduced critical breakdown field of hot CO2 gas and CO2-based mixtures. 3rd Int. Conf. Electr. Power Equip. – Switch. Technol., pp. 36–39.

      [10] Mashidori H, Ogawa T, Izawa Y & Nishijima K (2012), Sparkover characteristics of air–CO2 mixed gas in nonuniform field gap. IEEE Int. Symp. Electr. Insul., pp. 38–42.

      [11] Kamarudin MS, Albano M, Coventry P, Harid N & Haddad A (2010), A survey on the potential of CF3I gas as an alternative for SF6 in high voltage application. Proccedings Univ. Power Eng. Conf.

      [12] Chen L, Widger P, Kamarudin M, Griffiths H & Haddad A (2016), CF3I Gas Mixtures: Breakdown Characteristics and Potential for Electrical Insulation. IEEE Trans. Power Deliv., vol. PP, no. 99, p. 1.

      [13] Chen L, Griffiths H, Haddad A and Kamarudin MS (2016), Breakdown of CF3I Gas and its Mixtures under Lightning Impulse in Coaxial-GIL Geometry. IEEE Trans. Dielectr. Electr. Insul., vol. 23.

      [14] Sharif MHM, Jamail NAM, Othman NA & Kamarudin MS (2017), Analysis of Electric Field and Current Density on XLPE Insulator. Int. J. Electr. Comput. Eng., vol. 7, no. 6, p. 3095.

      [15] Luqman HM, Baharom MNR, Ahmad H & Ullah I (2017), Planning and Conducting Magnetic Field Level Measurement from Overhead Transmission Line. Int. J. Electr. Comput. Eng., vol. 7, no. 6, pp. 3124–3132.

      [16] European Commitee for Electrotechnical Standardization, BS EN 60060-1:2010 High-voltage test techniques, Part 1: General definition and test requirements. BSI Standards Publication, 2010.

      [17] Abd-Rahman R, Haddad A, Kamarudin MS, Yousof MFM & Jamail NAM (2017), Dynamic modelling of polluted outdoor insulator under wet weather conditions. PECON 2016 - 2016 IEEE 6th Int. Conf. Power Energy, Conf. Proceeding, pp. 610–614.

      [18] Kamarudin MS, Radzi NH, Zulkifli SA & Abd-Rahman R (2014), Experimental Investigation on Air Breakdown under Lightning Impulses with Various Electrode Configurations. 3rd IET International Conference on Clean Energy and Technology (CEAT) 2014, pp. 1–5.

      [19] Sadaoui F & Beroual A (2013), Surface discharges over insulators of various materials in presence of SF6, CO2, N2 and SF6-CO2 and SF6-N2 mixtures under DC voltage. Annu. Rep. Conf. Electr. Insul. Dielectr. Phenom., pp. 472–475.

      [20] Ravindra A & Wolkgang M, High Voltage and Electrical Insulation Engineering. John Wiley & Sons. Inc, Hoboken, New Jersey, (2011).

      [21] Dieter K and Feser K, High Voltage Test Technique, 2nd ed. Reed Educational and Professional Publishing (2001).


 

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Article ID: 22006
 
DOI: 10.14419/ijet.v7i4.30.22006




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