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SF6 VS S OLID D IELECTRIC S WITCHGEAR.  A. A KIN O YEKENU, P.E.-T EXAS  ± 9 YEARS W / C ENTER P OINT E NERGY H OUSTON E LECTRIC, LLC (CNP)  C URRENT.

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Presentation on theme: "SF6 VS S OLID D IELECTRIC S WITCHGEAR.  A. A KIN O YEKENU, P.E.-T EXAS  ± 9 YEARS W / C ENTER P OINT E NERGY H OUSTON E LECTRIC, LLC (CNP)  C URRENT."— Presentation transcript:

1 SF6 VS S OLID D IELECTRIC S WITCHGEAR

2  A. A KIN O YEKENU, P.E.-T EXAS  ± 9 YEARS W / C ENTER P OINT E NERGY H OUSTON E LECTRIC, LLC (CNP)  C URRENT P OSITION – E NGINEERING S UPERVISOR – M AJOR U NDERGROUND E NGINEERING P AD M OUNT  W ORKED IN VARIOUS DEPARTMENTS AT CNP  SWEDE M ATERIAL, E QUIPMENT, C ODES A ND S TANDARDS C OMMITTEE M EMBER I NTRODUCTION 2

3  W HAT IS A “D IELECTRIC ”  F ORMS OF DIELECTRICS  S OLIDS – PORCELAIN ( CERAMIC ), MICA, GLASS, PLASTICS, EPOXY RESIN  L IQUIDS – MINERAL OILS, CASTOR OIL, DISTILLED / PURIFIED WATER, LIQUID OXYGEN, NITROGEN, HYDROGEN, HELIUM, ARGON  G ASES – SULFUR HEXAFLUORIDE (SF6), NITROGEN (N2), AIR, CARBON DIOXIDE (CO2)  V ACUUM B ACKGROUND I NFORMATION. 3

4  T RANSMISSION (345, 138, 69 K V)  G AS AND L IQUID o SF6 AND O IL  S UBSTATION  G AS AND L IQUID o SF6, V ACUUM, O IL  D ISTRIBUTION  G AS, S OLID, AND L IQUID o SF6, E POXY /V ACUUM, AND O IL C ENTER P OINT E NERGY 4

5 Considerations  V ISIBLE B REAK ( SAFETY )  S IZE ( PHYSICAL )  V OLTAGE A VAILABILITY (D ISTRIBUTION S TD. V OLTAGES )  O THER – W ITHSTAND, BIL, C OST 5

6 SF6 / Vacuum (Powell Esco). 6.

7 Air (S&C) 7

8 Oil / Vacuum (Trayer) This report also contains Confidential Critical Energy Infrastructure Information. 8

9 Solid / Vacuum (Elastimold MVI & G&W Trident MVI) This report also contains Confidential Critical Energy Infrastructure Information. 9

10 T HANK Y OU. 10


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