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PRODUCT: GVR
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The names of Whipp & Bourne, Brush and South Wales Switchgear are synonymous with circuit breaker technology around the globe. All companies have a history which can be traced back over 125 years and it’s a background which cannot be ignored even though the demands of today’s industrial and power distribution sectors are vastly different and more complex. Today they form part of Hawker Siddeley Switchgear Ltd. - part of Melrose plc.
As a major national and international manufacturer of a range of distribution switchgear, Hawker Siddeley Switchgear Ltd serves not only electrical utilities worldwide but also a vast array of industrial and transit sectors where the need for safe and reliable power supplies is paramount.
With a highly-skilled workforce and manufacturing facilities both in the UK and Australia, a technology centre based in the UK and sales offices around the globe, we have maintained a global reach - building on a clear and unrivalled reputation for innovation. The success of the original companies was rooted in an ability to pioneer ground-breaking technologies, introducing state of the art developments which still lead the way in the switchgear sector.
Hawker Siddeley Switchgear Ltd remains committed to innovation, striving to provide what our customers could have - not just what they want.
PROVIDING GLOBAL SWITCHGEARSOLUTIONS
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The father of modern switchgear, Hawker Siddeley Switchgear Ltd’s world renowned GVR Recloser was the first in a range of equipment utilising one of the most advanced operating mechanisms available on the market today – Hawker Siddeley Switchgear’s ‘Fit & Forget’ Technology, featuring the award winning magnetic actuator.
The GVR provides ‘intelligent control’ and protection on power distribution networks, whilst offering a lifetime of trouble-free service.
The GVR automatic recloser is now available as a tank only option for those customers who wish to connect their own protection and control cubicles. Alternatively, customers looking for a ground-mounted solution can select our epoxy separable bushings for cableconnected networks.
GVR RECLOSER: FOR POLEMOUNTING AND SUBSTATIONAPPLICATIONS
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■ Superior, proven ‘Fit & Forget’ technology with minimal maintenance■ The patented, single coil magnetic actuator mechanism allows the GVR to operate
independently of the MV supply■ Environmentally friendly vacuum interruption produces no by-products■ The lightweight corrosion resistant aluminium tank makes the GVR easier to transport and install■ The EPDM or silicone bushings are tested for tracking and erosion to IEC 61109 and are resistant to damage from vandalism or mishandling■ Endurance tested to 10,000 operations■ Pole mounted or substation mounted, the GVR can be integrated into the most advanced distribution automation schemes, or can operate as a stand-alone recloser■ By using the advanced control and protection functions of the Panacea, the GVR can
also be used in applications where reclosers have not traditionally been used such as closed rings and underfrequency load shedding schemes
■ The 3-in-1 Recloser – the GVR can be configured to function as a Switch, Sectionaliser or Recloser by using one of the specially pre-engineered protection and control cubicles
KEY FEATURES
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The GVR has a wide range of applications:
■ Pole mounted applications■ Substation applications■ Wind Farm applications■ Switch applications (Auto-reclosing)■ Sectionaliser applications
With over 25,000 GVR auto-reclosers in service, the “father of modern switchgear” has proved its worth time and time again as a stellar product.
A product that was at the forefront of technology 20 years ago still holds its own today, in a very competitive market.
APPLICATIONS
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CONTINUOUS CURRENT 630A 630A 630A
IMPULSE VOLTAGE WITHSTAND
12.5/16kA 12.5kA 10kAINTERRUPTING CURRENT
110 125/150 150 (internal)kV peak kV peak 170 (external) kV peak
POWER FREQUENCY WITHSTAND DRY
50kV 60kV 70kV
POWER FREQUENCY WITHSTAND WET
RATED GAS PRESSURE FOR ABOVE Atmospheric Atmospheric 0.3bar /0.3bar* (gauge)
NUMBER OF OPERATIONS WITH NO MAINTENANCE
10,000 10,000 10,000
STANDARDS
ANSI C37.60, IEC 801, IEC 255
MAXIMUM SYSTEM VOLTAGE 15.5kV 27kV 38kV
RATINGS
GVR15 GVR27 GVR38
50kV 1 min 50kV 1 min 60kV 1 min
* Ratings for 150kV impulse version
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Manual Trip/Lock Out(Hook stick)
Electronic Control Unit
Battery Power Pack
Low Voltage Umbilical Lead
All dimensions in mm
Dimensions for a standard GVR Recloser
VOLTAGE CREEPAGE (A) (B) (C) (D)Up to 27kV 830 369 286 571 29838kV 1178 469 312 623 272
(E) 434 (F) 620 (G) 280 (H) 175
DIMENSIONS
TYPICAL WEIGHTS 145 / 155* kg
* Ratings for 150kV impulse version
145
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GVR ENGINEERING DETAIL
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1 Single piece, aluminium or copper-cored EPDM or silicone rubber bushings, with grooves to take optional wildlife guards/MV boots. Epoxy separable bushings also
available.
2 Current transformers are mounted within the tank’s controlled environment, while optional capacitive voltage dividers provide voltage signals for use by the Panacea or an RTU.
3 Aluminium housing with lightweight, moulded baseplate, secured by stainless steel bolts and incorporating rubber ‘O’ ring seals.
4 Pressure-relief disc, to comply with IEC 60298, offering the highest levels of safety.
5 Mechanical ON/OFF position indication visible through clear viewing window from ground level.
6 Hook stick-operated manual trip and lockout control.
7 A single moulding supports the three phase vacuum interrupter assembly, magnetic actuator mechanism and one-piece drive beam.
8 The patented, single coil magnetic actuator is based on a solenoid plunger, held in the tripped or closed position by a permanent magnet.
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BRUSH GROUP HQ NOTTINGHAM ROAD, LOUGHBOROUGH, LEICESTERSHIRE,LE11 1EX, UNITED KINGDOMT + 44 (0) 1509 611511F + 44 (0) 1509 612009 E [email protected]
HAWKER SIDDELEY SWITCHGEAR PTY AUSTRALIAPO BOX 36, KALLANGUR, QLD 4503, AUSTRALIAT +61 (0) 7 3888 2333F +61 (0) 7 3888 3241E [email protected]
HAWKER SIDDELEY SWITCHGEAR SOUTH AMERICA, CARRERA 21NO 86A-31 OF 101,BOGOTA, COLOMBIAT +57 (0) 1 256 4617F +57 (0) 1 655 8915E [email protected]
HAWKER SIDDELEY SWITCHGEAR LTDUNIT 3 BLACKWOOD BUSINESS PARK, NEWPORT ROAD, BLACKWOOD, SOUTH WALES,NP12 2XH. UNITED KINGDOMT +44 (0) 1495 223001T 00800 42426666 (24HR)F +44 (0) 1495 225674E [email protected]
Issue 01/14. The design and manufacture of our products are subject to constant review, there-fore slight variations may occur between the details given and the equipment supplied