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DESCRIPTION:A gas-insulated substation (GIS) uses a superior dielectric gas
 \, SF6\, at moderate pressure for phase-to  phase and phase-to-ground insu
 lation. The high voltage conductors\, circuit breaker interrupters\, switc
 hes\, current transformers\, and voltage transformers are in SF6 gas insid
 e grounded metal enclosures.The atmospheric air insulation used in a conve
 ntional\, [air-insulated substation](https://electrical-engineering-portal
 .com/ais-air-insulated-substations) (AIS) requires meters of air insulatio
 n to do what SF6 can do in centimeters.\n\nGIS can therefore be smaller th
 an AIS by up to a factor of 10. A GIS is mostly used where space is expens
 ive or not available. In a GIS the active parts are protected from the det
 erioration from exposure to atmospheric air\, moisture\, contamination\, e
 tc.\n\nAs a result\, GIS is more reliable and requires less maintenance th
 an AIS.\n\nGIS was first developed in various countries between 1968 and 1
 972. After about 5 years of experience\, the use rate increased to about 2
 0% of new substations in countries where space is limited. In other countr
 ies with space easily available\, the higher cost of GIS relative to AIS h
 as limited use to special cases.\n\nIn this Technical presentation\, We wi
 ll discuss more about GE Vernova HV GIS technology\, major components and 
 its application.\n\nSpeaker(s): Pierre\, \n\nAgenda: \n7:00PM - Introducti
 on of IEEE Hamilton Section\n\n7:15PM - Presentation\n\n8:15PM - Q&amp;A\n\n8:
 30PM - Presentation End\n\nVirtual: https://events.vtools.ieee.org/m/43095
 5
LOCATION:Virtual: https://events.vtools.ieee.org/m/430955
ORGANIZER:patrick.nkwari.n@ieee.org, tanzeelur.rehman@ieee.org
SEQUENCE:49
SUMMARY:Introduction to High Voltage Gas Insulated Switchgear and its Appli
 cations
URL;VALUE=URI:https://events.vtools.ieee.org/m/430955
X-ALT-DESC:Description: &lt;br /&gt;&lt;p class=&quot;MsoNormal&quot;&gt;&lt;span style=&quot;mso-bidi-fo
 nt-family: Calibri\; mso-bidi-theme-font: minor-latin\; mso-ansi-language:
  EN-CA\;&quot;&gt;A gas-insulated substation (GIS) uses a&amp;nbsp\;&lt;strong&gt;superior d
 ielectric gas\, SF6\, at moderate pressure for phase-to &lt;span style=&quot;mso-s
 pacerun: yes\;&quot;&gt;&amp;nbsp\;&lt;/span&gt;phase and phase-to-ground insulation&lt;/strong
 &gt;. The high voltage conductors\, circuit breaker interrupters\, switches\,
  current transformers\, and voltage transformers are in SF6 gas inside gro
 unded metal enclosures.&lt;/span&gt;&lt;span style=&quot;mso-bidi-font-family: Calibri\;
  mso-bidi-theme-font: minor-latin\; mso-ansi-language: EN-CA\;&quot;&gt;The atmosp
 heric air insulation used in a conventional\,&amp;nbsp\;&lt;a title=&quot;AIS &amp;ndash\;
  Air insulated substations&quot; href=&quot;https://electrical-engineering-portal.co
 m/ais-air-insulated-substations&quot;&gt;air-insulated substation&lt;/a&gt;&amp;nbsp\;(AIS) 
 requires meters of air insulation to do what SF6 can do in centimeters.&lt;/s
 pan&gt;&lt;/p&gt;\n&lt;p class=&quot;MsoNormal&quot;&gt;&lt;span style=&quot;mso-bidi-font-family: Calibri\
 ; mso-bidi-theme-font: minor-latin\; mso-ansi-language: EN-CA\;&quot;&gt;GIS can t
 herefore be smaller than AIS by up to a factor of 10. A GIS is mostly used
  where space is expensive or not available. In a GIS the active parts are 
 protected from the deterioration from exposure to atmospheric air\, moistu
 re\, contamination\, etc.&lt;/span&gt;&lt;/p&gt;\n&lt;p class=&quot;MsoNormal&quot;&gt;&lt;span style=&quot;ms
 o-bidi-font-family: Calibri\; mso-bidi-theme-font: minor-latin\; mso-ansi-
 language: EN-CA\;&quot;&gt;As a result\, GIS is&amp;nbsp\;&lt;strong&gt;&lt;em&gt;more reliable&lt;/e
 m&gt;&lt;/strong&gt;&amp;nbsp\;and requires less maintenance than AIS.&lt;/span&gt;&lt;/p&gt;\n&lt;p c
 lass=&quot;MsoNormal&quot;&gt;&lt;span style=&quot;mso-bidi-font-family: Calibri\; mso-bidi-the
 me-font: minor-latin\; mso-ansi-language: EN-CA\;&quot;&gt;GIS was first developed
  in various countries between 1968 and 1972. After about 5 years of experi
 ence\, the use rate increased to about 20% of new substations in countries
  where space is limited. In other countries with space easily available\, 
 the higher cost of GIS relative to AIS has limited use to special cases.&lt;/
 span&gt;&lt;/p&gt;\n&lt;p class=&quot;MsoNormal&quot;&gt;&lt;span lang=&quot;EN-US&quot; style=&quot;mso-bidi-font-fa
 mily: Calibri\; mso-bidi-theme-font: minor-latin\;&quot;&gt;In this Technical pres
 entation\, We will discuss more about GE Vernova HV GIS technology\, major
  components and its application.&lt;/span&gt;&lt;/p&gt;&lt;br /&gt;&lt;br /&gt;Agenda: &lt;br /&gt;&lt;p&gt;7:
 00PM - Introduction of IEEE Hamilton Section&lt;/p&gt;\n&lt;p&gt;7:15PM - Presentation
 &lt;/p&gt;\n&lt;p&gt;8:15PM - Q&amp;amp\;A&lt;/p&gt;\n&lt;p&gt;8:30PM - Presentation End&lt;/p&gt;
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