SHS2 - Gas insulated switch disconnectors - presentation
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Transcript SHS2 - Gas insulated switch disconnectors - presentation
SHS2 Presentation, Dalmine – Italy - August, 2010
SHS2
Gas insulated switch–disconnector /
isolator
1VCP000048 – Rev. B, en – Presentation – 2010.09
© ABB Group
April 13, 2015 | Slide 1
SHS2
Main features
SF6-insulated Switch Disconnector - Isolator
Suitable for metal-enclosed secondary distribution
switchgear
Stainless steel enclosure
3 positions: LINE - OPEN - EARTH
Earthing switch with making capacity
Separate operation slots for Switch-disconnector
and Earthing Switch
Characteristics
Main Data
Rated voltage
kV
24
Power frequency withstand voltage (50-60 Hz/1 min) (*)
kV
50 (60)
Impulse withstand voltage (*)
kVp
125 (145)
Rated frequency
Hz
50/60
Rated Normal current (t.a. 40°C)
A
400/630
Short-time current - 1s
kA
12.5/16/20/25
Making capacity
kA
31.5/40/50/62.5
Gas absolute pressure (20 °C)
kPa
125
Distance between phases
mm
230
Electrical life (**)
Class E3
(line)
Class E1
(earth)
Mechanical endurance
Class M1 (**)
(*) withstand voltage between phase and earth and between phases (withstand voltage
between open contacts)
(**) According to IEC 60265-1, IEC 60129
SHS2
Basic dimensions (to fit 500mm/375mm width panels)
Caption:
Insolators;
Enclosure
Operating
mechanism
Rupture disk
495 (panels width 500)
371,5 (panels width 375)
1
1
4
2
3
1
SHS2
Three positions
Caption
Open
Line
1.Switching shaft
2
2.Fixed contact
3.Moving contact
4.Earthing
contact
3
Earth
4
1
SHS2
Stainless steel enclosure
EARTHED metallic segregation
between busbar and feeder
compartments
Maximum safety during maintenance
and operations in the cable or fuse
compartment even with busbars
energized
Reduced risk of short circuit between
phases or between the two insulators of
the same phase
SHS2
Operative mechanical version
T1 - T1M
T2-T2M
T3-V1
T4
On exceeding dead centre
x
--
--
x
Stored energy
--
x
--
--
Independent operation
(from operator)
x
x
--
x
Dependent operation
(from operator)
--
--
x
--
Switch disconnector +
Earthing switch
x
x
--
--
Isolator + Earthing switch
--
--
x
--
Spaced earthing switch only
--
--
--
x
Motorized operative mechanism
x
--
--
--
Opening coil
--
x
--
--
SHS2
Front plate
Caption:
5
1. Switch disconnector slot
2. Earthing switch slot
3. Interlock lever
4. Mechanical position
indicator
1
6
4
3
5. Voltage indicator
6. Key-locks
5
6
2
SHS2
Available key-locks
SHS2 equipped with T1 e T2 operative mechanism
SHS2/T1 - SHS2/T1/N - SHS2/T1M - SHS2/T1M/N - SHS2/T2 - SHS2/T2/N - SHS2/T2F - SHS2/T2F/N
Line operation
1 Free-key for Switch disconnector in open position
1 Free-key for Switch disconnector in close position
1 Free-key for Switch disconnector in close position
1 Free-key for Switch disconnector in open position
2 Free-keys for Switch disconnector in open position
2 Free-keys for Switch disconnector in close position
Earth Operation
1 Free-key for Earthing switch in open position
1 Free-key for Earthing switch in close position
1 Free-key for Earthing switch in close position
1 Free-key for Earthing switch in open position
2 Free-keys for Earthing switch in open position
2 Free-keys for Earthing switch in close position
SHS2 equipped with T3 operative mechanism
SHS2/I - SHS2/I/N - SHS2/IF
SHS2/IB
1 Free-key for Isolator in close position
1 Free-key for Isolator in open position
1 Free-key for Isolator in open position
1 Free-key for Isolator in open position
1 Free-key for Isolator in open position
1 Free-key for Earthing switch in close position
1 Free-key for Earthing switch in close position
1 Free-key for Earthing switch in close position
1 Free-key for Earthing switch in close position
2 Free-keys for Earthing switch in close position
2 Free-keys for Earthing switch in close position
1 Free-key for Isolator in close position
1 Free-key for Isolator in open position
1 Free-key for Isolator in close position
SHS2 equipped with T4 operative mechanism
1 Free-key for Isolator in open position
SHS2/ES
1 Free-key for Earthing switch in close position
1 Free-key for Earthing switch in open position
1 Free-key for Isolator in close position
1 Free-key for Earthing switch in close position
1 Free-key for Earthing switch in close position
1 Free-key for Earthing switch in open position
1 Free-key for Isolator in close position
1 Free-key for Earthing switch in close position
2 Free-keys for Earthing switch in close position
2 Free-keys for Earthing switch in close position
SHS2
Accessories
Fuse Holder
Spaced Earthing Switch
Line and Earth key locks
Auxiliary contacts (2NA+2NC for each position) (1)
Voltage indicators (3)
Frame with isolators or isolators with capacitive dividers (4)
Opening coil (24 – 48 – 110 – 220 Vdc/ac) (2)
Door lock
Motor operation (24 Vcc 48-110-220Vdc/Vac) for spring
operating mechanism)
Fuse adaptors (for fuse length e=192 mm and e=292mm)
Spaced earthing switch (making capacity 2,5kA)
(1) On T2 (stored energy) operative mechanism when the opening coil is required for switch
disconnector in closed position a maximum of 1NO+1NC auxiliary contacts are available
(2) Available only on T2 operative mechanism
(3) Require accessory (4)
SHS2
Accessories
Caption:
1. Line key locks
2. Earth key locks
5
3. Auxiliary
contacts
3
4. Opening coil
5. Voltage
indicators
4
1
5
2
1
2
3
SHS2
For circuit-breaker unit completion
1.
HD4/R:
Circuit
breaker
gas
insulated;
1
2.
VD4/R:
Circuit
breaker
vacuum
insulated
2
Lateral operation mechanism
230 mm pole distance
Protection relay on board:
•
PR 521 Self-supplied (50-51-51N)
•
REF 601 (50-51-50N-51N)
UNIMIX P3
Width 500 and 375 mm
UNIMIX P2
Width 500 and 375 mm
UNIMIX ASR
Width 500 and 375 mm
SHS2/ES
SHS2/IB
SHS2/IF
SHS2/I SHS2/I/N
SHS2/T2MF SHS2/T2MF/N
SHS2/T2F SHS2/T2F/N
SHS2/T2M SHS2/T2M/N
SHS2/T1 SHS2/T1/N SHS2/T2
SH2/T2/N SHS2/T1M SHS2/T1M/N
SHS2
For panel solutions equivalent to UniMix type
UNIMIX M
Width 500 mm
UNIMIX P1F
Width 750 mm
UNIMIX A
Width 500 mm
© ABB Group
April 13, 2015 | Slide 14