UniMix air insulated medium voltage switchgear

UniMix air insulated medium voltage switchgear

© BA PTMV - BU Switchgear - 1 03-2007 - Salvi
BA PTMV
BU Switchgear
Product
Marketing
Manuel Salvi
UniMix air
insulated
medium
voltage
switchgear
UniMix Standards Compliance
Compliant with new IEC 62271-200
(ex 60298) that classifies reliability
and operating risks.
Classified by IEC 62271-200 as:
metal-enclosed
partition metallic (compartments
segregation)
LSC2A
Loss of Continuity: Feeder
Service: Compartment
© ABB - Page 2
Is compliant with IEC 60129 for
indications.
UniMix characteristics
Maximum Flexibility up to 24kV
Interchangeable SF6/vacuum CBs
Sensors/DIN CT’s/Ring CT’s
Compact dimensions (375/500/750mm)
Wall standing
Bus bars CTs & VTs (W>375mm)
Full Int.Arc Proof 16kAx1s (0.5s for
W=375mm)
All earthed metal segregation
Welded tank
© ABB - Page 3
Short delivery time
UniMix Characteristics
EARTHED metallic segregation between bus bar and feeder
compartments
Maximum safety during
maintenance and operations in
the cable or fuse compartment
even with bus bars energized.
© ABB - Page 4
Reduced risk of short circuit
between phases or between the
two insulators of the same phase
UniMix Characteristics
Electrical Data
Rated insulation voltage
kV
12
17
24
Test Voltage (50-60 Hz/1 min)
kV
28
38
50
Impulse withstand voltage
kV
75
95
125
Rated frequency
Hz
50/60
50/60
50/60
Rated main busbar current
A
630/1250
Rated feeder current
A
630/1250
Max. short-time current
kA
25x1s
25x1s
25x1s
Max. making capacity
kA
62.5x1s
62.5x1s
62.5x1s
SHS2 Gas absolute pressure (20 °C; SF6 350g)
kPa
125
© ABB - Page 5
LBS motor kit
Available
UniMix Internal Arc Proof
Internal arc proof withstand current
500/750mm width units
16kA for 1 second
20kA for 0.5 second
Tranne P1E e P1A
375mm width units
12.5kA for 1 second
16kA for 0.5 second
“Light” version
© ABB - Page 6
12.5kA for 1 second
UniMix Internal Arc Proof
Arc-proof test
according to IEC 298 standards, appendix AA, class A, criteria 1 to 5 / IEC 62271-200
Testing setup
Criteria:
1 Correctly secured doors, covers do not open.
2 Parts which may cause a hazard do not fly off.
3 No holes in the freely accessible external parts
of the enclosure.
4 Horizontally and vertically arranged indicators
do not ignite.
© ABB - Page 7
Infrared
camera
5 Earthing connections are still effective.
UniMix
SHS2 type Switch disconnector
SF6 insulated
Stainless steel enclosure
3 position: LINE – OPEN – EARTH
Making capacity Earthing Switch
Separate slots for SD and ES
IEC 60129 for indications
© ABB - Page 8
Motor operated mechanism on request
UniMix
SHS2 basic structure
2
2
1
4
4
2
5
8
77
3
6
© ABB - Page 9
2
Legend:
1. Switching shaft - 2. Isolators - 3. Enclosure - 4. Fixed contacts - 5. Moving Contacts
6. Earthing contacts - 7. Operating mechanism - 8. Rupture disk
UniMix
SHS2: Three positions SD
© ABB - Page 10
LINE
OPEN
EARTH
UniMix
SHS2: Accessories
3
3
3
1
4
© ABB - Page 11
2
1
Caption:
1 Line key locks
2 Earth key locks
3 Auxiliary contacts (2+2)
4 Opening coil
5 Voltage indicators
5
UniMix
Circuit breakers
230mm pole distance
On board PR521 relay and sensors
SF6 pressure switch on request
© ABB - Page 12
Motorised on request
UniMix
Protection & Control
PR512 & ring core type CTs
PR521 & dedicated
current sensors on
board of CB
© ABB - Page 13
DIN 43625 Fuses
REF542 Plus
UniMix
Instrument transformers
Current and voltage transformers
Combisensor
Ring core type
DIN 42600
© ABB - Page 14
DIN 42600
UniMix
New Units: P1/A
Rated insulation voltage
kV
24
Test Voltage (50-60 Hz/1 min)
kV
50
Impulse withstand voltage
kV
125
Rated frequency
Hz
50/60
Rated main busbar current
A
630/1250
Rated feeder current
A
400/630
Max. short-time current
kA
16x1s
Max. making capacity
kA
62.5x1s (ES excluded)
© ABB - Page 15
Maintenance of CB (opening of door) keeping MV
cables enegised
UniMix
New Units: P1/E
Rated insulation voltage
kV
24
Test Voltage (50-60 Hz/1 min)
kV
50
Impulse withstand voltage
kV
125
Rated frequency
Hz
50/60
Rated main busbar current
A
630/1250
Rated feeder current
A
630/1250
Max. short-time current
kA
25x1s
Max. making capacity
kA
62.5x1s
Internal arc proof
kA
16x1S
Withdrawable Circuit Breaker with front operating
mechanism
© ABB - Page 16
Feeder current up to 1250A
DIN CTs and DIN VTs can be both housed in the
feeder unit
UniMix
© ABB - Page 17
New Units: P1/E
UniMix
Unit P3 – Switch disconnector
Opening coil
Motor operated
mechanism
Bus Tie Unit
Available for 500 mm
width units:
- DIN CTs (2 or 3)
- DIN VTs
- Busbars DIN CTs
© ABB - Page 18
- Busbars DIN VTs
UniMix
Unit P2 – Fused Switch disconnector
Opening coil
Bus Tie Unit
Available for 500 mm
width units:
- Busbars DIN CTs
© ABB - Page 19
- Busbars DIN VTs
UniMix
Unit P1/F – Circuit breaker
DIN CTs (2 or 3)
DIN VTs
On board current
sensors for PR521
© ABB - Page 20
Bus Tie unit
UniMix
Unit ASR – Switched Incoming
Bus Tie unit
Available for 500
mm width units:
- DIN CTs (2 or 3)
- DIN VTs
- Busbars DIN CTs
© ABB - Page 21
- Busbars DIN VTs
UniMix
Unit A – Direct Incoming
Available for 500
mm width units:
- DIN CTs (2 or 3)
© ABB - Page 22
- DIN VTs
UniMix
Unit R - Riser
Available for
500mm width
units:
- DIN CTs (2 or 3)
© ABB - Page 23
- DIN VTs
UniMix
Unit Rac – Direct cable Incoming
Available for
500mm width
units:
- DIN CTs (2 or 3)
© ABB - Page 24
- DIN VTs
UniMix
Unit M – Measure
Busbars DIN CTs
© ABB - Page 25
DIN VTs
Secondary Distribution typical applications
Manufacturing industry
Secondary substations
Shopping centres
Airports
Undergrounds
Windmills
© ABB - Page 26
Production = 9’000 units/year
Unimix factory and Production process
© ABB - Page 27
Loreto
Aprutino
Workshop : sqm. 5300
Offices : sqm. 400
UniMix on inside.abb.com
General information
Documents download
Service and support
© ABB - Page 28
Training & Technical Support
Audit & Consulting
Retrofit & Upgrades
© ABB - Page 29