3AH5 Product Presentation
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Transcript 3AH5 Product Presentation
3AH5
Vacuum Circuit-Breaker
For Standard
Applications
Siemens Medium Voltage
Schutzvermerk /©Copyright-Vermerk
Siemens AG 2009
Sector Energy, Business Unit Medium Voltage
3AH5 Vacuum Circuit-Breaker
Directory
1. Technical Data
2. Portfolio
3. Product Features
4. Details
5. Applications
Slide 2
September 2009
© Siemens AG 2009
Sector Energy, Business Unit Medium Voltage
3AH5 Vacuum Circuit-Breaker
1. Technical Data
Slide 3
September 2009
Rated voltage
up to 36 kV
Short-circuit breaking current
up to 31,5 kA
Operating current
up to 2500 A
Mechanical operating cycles
10,000 (M2)
Electrical operating cycles
10,000 (E2, C2)
© Siemens AG 2009
Sector Energy, Business Unit Medium Voltage
3AH5 Vacuum Circuit-Breaker
2. Portfolio
Slide 4
September 2009
© Siemens AG 2009
Sector Energy, Business Unit Medium Voltage
3AH5 Vacuum Circuit-Breaker
3. Product Features
Main Data
12, 17,5, 24 & 36 kV
800 to 2500 A
13,1 to 31,5 kA
Up to 10,000 mechanical operating cycles
Type tested according to
IEC 62271-100
Your Benefit
Usage for all standard application in
medium voltage
Compact dimensions
Maintenance free up to 10,000
operating cycles
Slide 5
September 2009
© Siemens AG 2009
Sector Energy, Business Unit Medium Voltage
3AH5 Vacuum Circuit-Breaker
3. Product Features
Product Features
Column construction
Vacuum interrupters are vertically
arranged
Free convection possible
Solid insulation material is
minimised as far as possible
Your Benefit
High mechanical stability
Compact dimensions
No forced-cooling up to 2500 A
Very low fire load
Easy access to all parts
Slide 6
September 2009
© Siemens AG 2009
Sector Energy, Business Unit Medium Voltage
3AH5 Vacuum Circuit-Breaker
4. Details
Push button “ON”
Hand crank
coupling
Indicator „Closing
spring charged“
Counter for
“Operating cycles”
Push button “OFF”
Indicator
„Closed/Open“
Slide 7
September 2009
© Siemens AG 2009
Sector Energy, Business Unit Medium Voltage
3AH5 Vacuum Circuit-Breaker
4. Details
Operating unit
Cooling element
Auxiliary switch
Gearbox
Shunt release
Opening magnet
Closing spring
Slide 8
September 2009
© Siemens AG 2009
Sector Energy, Business Unit Medium Voltage
3AH5 Vacuum Circuit-Breaker
4. Details
Secondary equipment
Basic equipped
Slide 9
Fully equipped
September 2009
© Siemens AG 2009
Sector Energy, Business Unit Medium Voltage
3AH5 Vacuum Circuit-Breaker
4. Details
Comparison: Use of Insulation and Plastics
3AH5
column construction
SION
shell construction
Competition
embedded pole
12 kV
4 kg
13 kg
17 kg
12 kV
4 kg
14 kg
23 kg
2500A
Phase barrier drive
12 kV
10 kg
13 kg
17 kg
PMA 160 mm
Phase barriers
17,5 kV
10 kg
16 kg
17 kg
PMA 150/160 mm
Phase barriers
Phase barrier drive
Phase barrier
contact arms
Slide 10
September 2009
© Siemens AG 2009
Sector Energy, Business Unit Medium Voltage
Applications for 3AH5
5. Switching of Standard Applications
Requirements
Switching of transformers, drives, capacitors,
Industry Application “Refinery”
filter circuits, overhead lines and cables
Synchronising of parallel networks
Rapid load transfer of consumers to other
incoming feeder
Auto-reclosing in overhead lines to clear
transient faults or short-circuits
Switching of short-circuits
Slide 11
September 2009
© Siemens AG 2009
Sector Energy, Business Unit Medium Voltage
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Slide 12
September 2009
© Siemens AG 2009
Sector Energy, Business Unit Medium Voltage