7/27/2019 020-berblick 8DN9 II_ENGL

1/24

Power Transmission and Distribution

s

Gas-Insulated

Switchgear

Type 8DN9 up to 245 kV

7/27/2019 020-berblick 8DN9 II_ENGL

2/24

Mario Prfert PTD H2 FP7 M 2

Gas-Insulated SwitchgearProgress of Development of 245 kV GIS

0

10

20

30

40

50

60

70

80

90

100

74 76 78 80 82 84 86 88 90 92 94 96 98

Year

[%]

Size of building

Space requirement

Packing volume

7/27/2019 020-berblick 8DN9 II_ENGL

3/24

Mario Prfert PTD H2 FP7 M 3

Gas-Insulated Switchgear 245 kVType 8DN9

7/27/2019 020-berblick 8DN9 II_ENGL

4/24

Mario Prfert PTD H2 FP7 M 4

Gas-Insulated Switchgear 245 kVSwitchgear Bay

8 Earthing switch (for work in progress)

9 Earthing switch (for work in progress)10 Make-proof earthing switch (high speed)11 Current transformer12 Voltage transformer13 Cable sealing end14 Integrated local control cubicle

1 Circuit-breaker interrupter unit

2 Spring-stored-energy operating mechanismwith circuit-breaker control unit

3 Busbar disconnector I4 Busbar I5 Busbar disconnector II6 Busbar II7 Outgoing disconnector

1

9

11

13

14

4 6 5 8 3 10 7

2

12

6

4

3 5

8

1

11

101213

9M

7 M

M

M M

7/27/2019 020-berblick 8DN9 II_ENGL

5/24

Mario Prfert PTD H2 FP7 M 5

Gas-Insulated Switchgear 245 kVType 8DN9

EV 98 xxxxe

Rated voltage up to 245 kV

Rated frequency 50 / 60 Hz

Rated power frequencywithstand voltage (1 min) up to 460 kV

Rated lightning impulsewithstand voltage (1,2/50 s) up to 1050 kV

Rated busbar current up to 3150 A Rated feeder current up to 3150 A

Rated breaking current up to 50 kA

Rated short-time current up to 50 kA

Leakage rate per year andgas compartment < 1 %

Bay width 1500 mm

Bay height 3500 mm

Bay depth 4700 mm

Bay weight 5 t

7/27/2019 020-berblick 8DN9 II_ENGL

6/24

M i P f t PTD H2 FP7 M 6

Gas-Insulated Switchgear 245 kVDuplicate Bus System

7/27/2019 020-berblick 8DN9 II_ENGL

7/24

M i P f t PTD H2 FP7 M 7

Gas-Insulated Switchgear 245 kVModular Structure

Circuit-breakers

Disconnectorsand earthingswitches

Extensionmodules

Busbars Terminationmodules

Cables

Transformers

Outdoorbushings

Currenttransformers

Voltagetransformers

Surgearresters

Expansionjoints

7/27/2019 020-berblick 8DN9 II_ENGL

8/24

M i P f t PTD H2 FP7 M 8

Gas-Insulated Switchgear 245 kVCircuit Breaker Module

7/27/2019 020-berblick 8DN9 II_ENGL

9/24

M i P f t PTD H2 FP7 M 9

Self-Compression Type Interrupter UnitArc Quenching Principle

1 Contact support2 Quenching nozzle3 Main contact4 Arcing contact5 Contact cylinder6 Base

Breaker inon position

Opening:Main contact open

Opening:Arcing contact open

Breaker inoff position

1

2

3

4

5

6

7/27/2019 020-berblick 8DN9 II_ENGL

10/24Mario Prfert, PTD H2 FP7 M 10

HIS Solution - GIS Type 8DN8Spring-Stored-Energy Mechanism

1 Closing release2 Cam plate3 Coupling linkage4 Operating rod5 Closing spring connecting rod6 Opening spring connecting rod7 Closing spring8 Hand-wound mechanism9 Charging mechanism10 Charging shaft11 Roller lever12 Closing damper13 Operating shaft14 Opening15 Opening release16 Mechanism housing17 Opening spring

off position(Closing spring loaded)

1

2

3

4

5

6

7

8

910

11

12

1314

15

16

17

On

Off

7/27/2019 020-berblick 8DN9 II_ENGL

11/24Mario Prfert, PTD H2 FP7 M 11

Gas-Insulated Switchgear 245 kVHigh Speed Earthing Switch

2

1

3

4

1 Fixed contact2 Contact Pin3 Operating Shaft4 Conductor

7/27/2019 020-berblick 8DN9 II_ENGL

12/24Mario Prfert, PTD H2 FP7 M 12

Gas-Insulated Switchgear 245 kVCurrent Transformers

1

2

3

45

1 Conductor / primary winding2 Bushing3 Cores with secondary winding4 Inner electrode5 Grading electrode

7/27/2019 020-berblick 8DN9 II_ENGL

13/24Mario Prfert, PTD H2 FP7 M 13

Gas-Insulated Switchgear 245 kVVoltage Transformers

EV 98 684e

123

4

1 Iron core with secondary windings2 Primary winding3 High-voltage terminal4 Bushing

l d i h k

7/27/2019 020-berblick 8DN9 II_ENGL

14/24

Mario Prfert, PTD H2 FP7 M 14

Gas-Insulated Switchgear 245 kVDisconnector Modules

1 Contact support2 Insulating contact3 Insulating rod4 Main shaft

1 234

G I l d S i h 245 kV

7/27/2019 020-berblick 8DN9 II_ENGL

15/24

Mario Prfert, PTD H2 FP7 M 15

Gas-Insulated Switchgear 245 kVBusbar Module

7/27/2019 020-berblick 8DN9 II_ENGL

16/24

G I l t d S it h 245 kV

7/27/2019 020-berblick 8DN9 II_ENGL

17/24

Mario Prfert, PTD H2 FP7 M 17

Gas-Insulated Switchgear 245 kVOperating Mechanism of Disconnectors and Earthing Switches

Gas Insulated Switchgear 245 kV

7/27/2019 020-berblick 8DN9 II_ENGL

18/24

Mario Prfert, PTD H2 FP7 M 18

Gas-Insulated Switchgear 245 kVExpansion Joint

Gas Insulated Switchgear 245 kV

7/27/2019 020-berblick 8DN9 II_ENGL

19/24

Mario Prfert, PTD H2 FP7 M 19

Gas-Insulated Switchgear 245 kVComparison of Dimensions 8DN9 8DP3

4740

5260

3470

3700

Outdoor / Gas Insulated Switchgear 245 kV

7/27/2019 020-berblick 8DN9 II_ENGL

20/24

Mario Prfert, PTD H2 FP7 M 20

Outdoor / Gas-Insulated Switchgear 245 kVComparison of Dimensions 1:50

61500

137500

Gas Insulated Switchgear 245 kV

7/27/2019 020-berblick 8DN9 II_ENGL

21/24

Mario Prfert, PTD H2 FP7 M 21

Gas-Insulated Switchgear 245 kVTransformer Termination Module

Gas-Insulated Switchgear 245 kV

7/27/2019 020-berblick 8DN9 II_ENGL

22/24

Mario Prfert, PTD H2 FP7 M 22

Gas-Insulated Switchgear 245 kVOutdoor Termination

Gas-Insulated Switchgear 245 kV

7/27/2019 020-berblick 8DN9 II_ENGL

23/24

Mario Prfert, PTD H2 FP7 M 23

Gas Insulated Switchgear 245 kVPlug-in Cable Termination Module for 170 kV

Plug-in typecontact

Epoxy resinsocket

Silicone rubberfield control element

Spring assembly

Gas-Insulated Switchgear 245 kV

7/27/2019 020-berblick 8DN9 II_ENGL

24/24

Mario Prfert, PTD H2 FP7 M 24

Gas Insulated Switchgear 245 kVSurge Arrester Module

SF6- SF6- bushing

Access coverwith pressurerelief, deviceand filter

Electricalmonitoring devices

Gas pressure /density monitoring

Supporting tube

Metal-oxide resistors

Enclosure

Grading hood

Spring contact