GAS INSULATED SUB-STATION

RONAL PARMAR140080707003

CONTENTSConstruction of 72.5~145kV

◦3-ph encapsulated◦3-ph segregated

Construction of 245~362kV◦One break◦Two break

Construction of 72.5~145kV 3-ph encapsulated v/s 3-ph segregated

Both type GIS with the assumption that the busbar diameter and insulation distance are equal for both of those type.

Segregated type has a higher space factor and therefor has grater potential to be made smaller with a new design.

Construction of 72.5~145kV 3-ph encapsulated

1. Circuit Breaker2. Bus Disconnector

with maintenance Earthing switch

3. Bus Disconnector4. BCT5. Line DS/ES6. High speed ES

(HSES)7. Cable head8. Operating

mechanism for CB

9. Potential transformer

10.GAS area

3-ph encapsulated

Construction of 72.5~145kV 3-ph segregated

1. Main bus2. Bus Disconnector3. Earthing switch

for maintenance4. Circuit breaker5. Current

transformer6. Line Disconnector7. Earthing switch

for making-proof8. Bushing9. Insulator spacer10.Operating

mechanism for CB

3-ph segregated

Construction of 245~362kV one break Two break

one breakConstruction of 245~362kV

1. Main bus2. Bus Disconnector3. Earthing switch

for maintenance4. Current

transformer5. Circuit breaker6. Line Disconnector7. Earthing switch

for making-proof8. Bushing9. Insulator spacer10.Operating

mechanism for CB

one break

one break

one break

Two breakConstruction of 245~362kV

1. Main bus2. Bus Disconnector3. Earthing switch

for maintenance4. Current

transformer5. Circuit breaker6. Line Disconnector7. Earthing switch

for making-proof8. Bushing9. Insulator spacer10.Operating

mechanism for CB

Two break

Two break

Two break

FURTHER PRESENTATION WORK

Construction of high voltage GIS sub-stationMaintenance of GIS sub-stationGIS approach in the GRID Visit of 400/220KV GIS substation located at DASTAN

, bardoli .

REFERENCES

GAS INSULATED SWITCHEAR(R) , 2003.01(09) 2011.08 PRINTED IN KOREA HUMAN POWER.

SHUICHI SUIYAMA ,” EXTRA-HIGH VOLTAGE SF6 AS –INSULATED SWITCHEAR ” , IEEE , VOL.45 NO.3 , FUJI ELECTRICAL .

ALSTOM , B65 ,72.5-145KV GAS-INSULATED SUBSTATION .

ALSTOM , B105 , 245-362KV GAS-INSULATED SUBSTATION .

Thank you