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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
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Mario Prfert PTD H2 FP7 M 3
Gas-Insulated Switchgear 245 kVType 8DN9
7/27/2019 020-berblick 8DN9 II_ENGL
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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
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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
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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
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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
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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
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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
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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
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Mario Prfert, PTD H2 FP7 M 15
Gas-Insulated Switchgear 245 kVBusbar Module
7/27/2019 020-berblick 8DN9 II_ENGL
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G I l t d S it h 245 kV
7/27/2019 020-berblick 8DN9 II_ENGL
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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
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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
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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
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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
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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
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Mario Prfert, PTD H2 FP7 M 22
Gas-Insulated Switchgear 245 kVOutdoor Termination
Gas-Insulated Switchgear 245 kV
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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
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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