Scientific and Technical Journal

Russian Electromechanics


Russian Electromechanics. 2014; 5: 122-125

 

http://dx.doi.org/

 

Electromagnetic compatibility support for power frequency magnetic fields in SWGR 6 (10) kV package

N.V. Bezmenova, X.S. Averianova

N.V. Bezmenova, Candidate of Technical Sciences, Senior lecturer, department «Automated Electric Power Systems», Samara State Technical University. E-mail: Saidova_nadezhda@mail.ru

X.S. Averianova, Student, department «Automated Electric Power Systems», Samara State Technical University. E-mail: Saidova_nadezhda@mail.ru

 

Abstract

Geometric model and calculation procedure have been presented to estimate total intensity of power-frequency magnetic field for three-phase currents of 6(10) kV switchgear packages’ busbars with in the plane parallel to arrangement of round and rectangular section busbars for main symmetric operation modes. The variation character of instantaneous values for power-frequency magnetic field intensity from the three-phase symmetric currents with in the plane parallel to arrangement of rectangular section busbars have been shown. The expressions for the calculation of total intensity from symmetric currents at any spacing between busbars have been proposed. Investigation results for switchgear busbars’ spacing effect on variation of power-frequency magnetic field total intensity have been presented. Permissible clearances have been estimated for 6 – 10 kV switchgears at rated power-frequency (50 Hz) magnetic field levels.

 

Keywords: electromagnetic compatibility, geometric model, power frequency magnetic field, intensity, symmetric three-phase currents, busbar, packaged switchgear

 

Full text: [in elibrary.ru]

 

References

1. GOST R 51317.6.5-2006 (MEK 61000-6-5:2001). Sovmestimost' tekhnicheskikh sredstv elektromagnitnaya. Ustoychi-vost' k elektromagnitnym pomekham tekhnicheskikh sredstv, primenyaemykh na elektrostantsiyakh i podstantsiyakh. Trebovaniya i metody ispytaniy [Electromagnetic compatibility of the equipment. Immunity to electromagnetic disturbance of technical means used in power plants and substations. Requirements and test methods ]. Moscow, Standartinform Publ., 2007, 26 p.

2. Ustroystvo mikroprotsessornoy zashchity transformatora «Sirius - T»: Tekhnicheskoe opisanie, instruktsiya po ekspluatatsii. [Microprocessor transformer protection device "Sirius - T": Technical description, User manual.] Moscow, ZAO «Radius Avtomatika», 2005.

3. Feshchenko V.A. Reshenie problemy EMS v OAO "FSK EES" [Solving the problem of electromagnetic compatibility at Ltd. "FSK EES" ]. Energoekspert, 2008, no. 5(10), pp. 68 – 71. [In Russ.]

4. Saltykov V.M., Saydova N.V., Kopichnikova I.V. Usloviya obespecheniya elektromagnitnoy sovmestimosti po magnitnym polyam promyshlennoy chastity [Electromagnetic compatibility conditions on magnetic fields of industrial frequency ]. Tekhnologii EMS. 2009, no. 4, pp. 18 – 22. [In Russ.]

5. Bezmenova N.V., Saltykov V.M. Elektromagnitnye polya promyshlennoy chastoty v elektricheskikh setyakh i raspredelitel'nykh ustanovkakh [Electromagnetic fields of industrial frequency in electrical networks and distribution facilities]. Moscow, Mashinostroenie Publ., 2011, 206 s.

6. Bessonov L.A. Teoreticheskie osnovy elektrotekhniki. Elektromagnitnoe pole [Theoretical foundations of electrical engineering. Electromagnetic field]. Moscow, Gardariki Publ., 2003, 317 p.

7. Saydova N.V., Saltykov V.M. Otsenka dopustimykh rasstoyaniy v raspredelitel'nykh ustroystvakh napryazheniem 6 – 10 kV pri obespechenii normiruemykh urovney magnitnykh poley promyshlennoy chastoty 50 Gts [Evaluation of allowable distance in distribution devices of 6 - 10 kV in providing standardized levels of magnetic fields of industrial frequency of 50 Hz]. Tekhnologii EMS, 2011, no. 1(36), pp. 14 – 18. [In Russ.]

>