High Voltage Bushings

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Derrick Everett Ferguson
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1 High Voltage ushings quality ceramic-to-metal seals for reliable products NRY

2 Morgan dvanced Materials Morgan dvanced Materials is a global materials engineering company which designs and manufactures a wide range of high specification products with extraordinary properties, across multiple sectors and geographies. rom an extensive range of advanced materials we produce components, assemblies and systems that deliver significantly enhanced performance for our customers products and processes. Our engineered solutions are produced to very high tolerances and many are designed for use in extreme environments. The ompany thrives on breakthrough innovation. Our materials scientists and applications engineers work in close collaboration with customers to create outstanding, highly differentiated products that perform more efficiently, more reliably and for longer. Morgan dvanced Materials has a global presence with more than 0,000 employees across 0 countries serving specialist markets in the energy, transport, healthcare, electronics, security and defence, petrochemical and industrial sectors. It is listed on the London Stock xchange in the engineering sector (ticker MM). Morgan dvanced Materials is a world leader in the field of ceramic to metal sealing and assembly manufacture.,000 square foot facility in New edford, Massachusetts Part of the Morgan group of businesses since 8 acility has significantly expanded its manufacturing capabilities Provides technically superior engineered products for challenging environments eramics, metals and braze alloys are utilized in production processes Predominant ceramics are the luminas with minimum % l 2 O content range braze alloys are used to ensure an effective hermetic seal Tungsten, nickel, copper and platinum are available for components Morgan utilizes these materials within a set of integrated production processes, which can call upon 00% materials traceability so any product lifetime is mapped out from sourcing the materials through preparation, manufacture and final product implementation. This unique position, to control every aspect of creating ceramic to metal assemblies, from design and development, to sourcing and production means that Morgan are ideally placed to provide bespoke products in line with specific client requirements.

3 NRY THNIL DT Standard ushing, Materials, inishes Insulators- -0 High lumina eramic (see table) laze- High temperature- for cleanliness, appearance and high surface resistivity Soft caps & flanges- 42% nickel-iron with fused silver or equivalent finish suitable for soft soldering- specify if high temperature brazing or welding Studs- Low carbon steel, nickel plated or rade R-40 Monel unplated raze material- silver-copper eutectic (melting temp. ) or higher temperature material Modifications requently Made On Standard ushings Special metal parts for severe environmental conditions or non-magnetic requirements, such as monel, copper, stainless steel or other The special design of studs, terminal, lugs or turrets Special finishes, such as copper, nickel, tin or gold plating ddition of center conductors of specified material Special flange designs for heliarc welding dditional terminals (four or more) on - and -22 series bushings razed or welded mounting adaptors to customer-supplied of supplied flanges for multiple headers razing with special braze materials such as copper, copper-gold, nickel-gold or other alloys Note: ushings are 00% mass spectrometer leak tested with helium. ll dimensions and designs are subject to change without notice. -0 HIH LUMIN RMI Mechanical and lectrical Properties Property Units Value Notes lumina content % olor White overnment designation L62 MIL-I-0 Specific gravity. Water absorption Impervious Dye penetrant Impenetrability x 0 - cc/sec. helium Mass spectrometer Tensile strength PSI,000 ompressive strength PSI 8,000 Transverse strength PSI,000 lastic modulus PSI 4 x 0 6 Young s Hardness Moh s scale Impact strength ft-lbs. harpy Specific heat TU/lb 0. Thermal conductivity W/m K 4 Maximum working temp. 200 oefficient of thermal expansion 8.0 x Dielectric strength Volts/mil , 60 PS ¼ thick specimen /8 thick specimen Dielectric constant.2 ;. MHz ; 0 MHz Dielectric loss tangent ; MHz ; 0 MHz Volume resistivity Ohm-cm >0 4 ; >0 at 2 ; at 00

4 High Voltage luted ushings Single Terminal x 2 'ore 4-28 UN Thd " 4" LZD verage lashover pprox. Net /2 / oz /2 /4 24 oz Taper 6" to 6" 2 4" 4" /2 / oz x 2 'ore 2 2" 2" 4-28 UN Thd. -2 verage lashover pprox. Net /2 ¼ /4 2 4 oz /2 ¼ /4 0 oz /2 ¼ 2 /4 6 oz 4" /2 ¼ 2 /4 40 /2 oz Taper 2" to 2 6" /2 2 / oz.0 2" 8-24 UN Thd. - 2 verage lashover pprox. Net LZD /6 /4 2 6 oz /6 /4 0 8 oz /6 2 /4 0 oz /6 2 / oz TPR " to 4 6" 2 4".0 2" 8-24 UN Thd " verage lashover pprox. Net /6 ½ /4 oz /6 ½ 2 /4 6 lb /6 ½ 2 /4 4 /4 lb 2" 6" 2" /6 /4 4 /2 lb /6 /4 4 /4 0 2 lb *lashover ratings are average a-c values at 60 cycles RMS, 40% relative humidity at sea level

NRY High Voltage luted ushings Two Terminals 2-4.04.04 x 2 'ore 2 2".. 4-28 UN Thd. verage lashover pprox. Net 4" 2" 2 2-4--4 4 ½ 6 oz 2-4--0 4 /4 6 /2 oz 6" 4" 6" 2 2" 2-...086 2 4" 0-2 UN Thd.

5 NRY High Voltage luted ushings Two Terminals x 2 'ore 2 2" UN Thd. verage lashover pprox. Net 4" 2" ½ 6 oz /4 6 /2 oz 6" 4" 6" 2 2" " 0-2 UN Thd. verage lashover pprox. Net /6 /4 2 6 oz /6 /4 0 8 oz " 6" 2 4" 2" 4" /6 2 /4 0 oz /6 2 / oz " UN Thd..6 2" 2 4" 2" 6" 2" 4" verage lashover pprox. Net /6 ½ / oz /6 ½ /4 oz /6 ½ 2 /4 6 lb /6 ½ 2 /4 4 /4 lb /6 /4 4 /2 lb /6 /4 4 /4 0 2 lb *lashover ratings are average a-c values at 60 cycles RMS, 40% relative humidity at sea level

6 High Voltage luted ushings Three Terminals " Terminals On UN Thd. 6" 2 4" - verage lashover pprox. Net /6 /4 2 6 oz /6 /4 0 8 oz /6 2 /4 0 oz /6 2 / oz.6 2 4" Terminals On 6.. 2" 6" 2" 6-24 UN Thd. -22 verage lashover pprox. Net /6 ½ / oz /6 ½ /4 oz /6 ½ 2 /4 6 lb /6 ½ 2 /4 4 /4 lb /6 /4 4 /2 lb /6 /4 4 /4 0 2 lb *lashover ratings are average a-c values at 60 cycles RMS, 40% relative humidity at sea level

NRY High Voltage Re-entrant ushings Re-entrant skirt bushings achieve higher voltage ratings compared with bushings of comparable height, because of the increased strike distance from stud to flange.

omplete insulation from leads to ceramic is provided by potting to improve corona start level at the leads..04 4-28 UN Thd. D H R- R-22 D H verage lashover pprox.

7 NRY High Voltage Re-entrant ushings Re-entrant skirt bushings achieve higher voltage ratings compared with bushings of comparable height, because of the increased strike distance from stud to flange. asy potting of insulated high-voltage leads with silicone, epoxy or other compounds is possible because of the design of the re-entrant skirt. omplete insulation from leads to ceramic is provided by potting to improve corona start level at the leads UN Thd. D H R- R-22 D H verage lashover pprox. Net R /6 /4 2 /6 2 /8 ¾ oz R /4 2 /4 /6 /2 /2 44 oz.04 J D 4-28 UN Thd. H 2R- 2R-22 D H J verage lashover pprox. Net 2R /6 /4 2 /6 2 /8 ¾ /8 2 /2 oz 2R /4 2 /4 /6 /2 /2 /6 4 /2 oz *lashover ratings are average a-c values at 60 cycles RMS, 40% relative humidity at sea level

able Terminations T Type D H Thd. Size pprox. Net 6 " H T-20 /6 /2 T-20 /6 /2 /6 0.20 /8 0.2 0.

40 ¼ 0.20 0.0 2 /8 ¼ -28 ½oz T-00 /8 2 /2 ½ 0.00 ¼ 0.20 0.0 2 /8 ¼ -28 ½ oz Tubular ushings.20.06.

On T-24, T-48 and T-64 units consult factory..00.04 X.20.2 2 Hole.

8 able Terminations T Type D H Thd. Size pprox. Net 6 " H T-20 /6 /2 T-20 /6 /2 / / /6 8-2 / / /6 0-2 T-0 /8 /2 ½ 0.0 / / D T- /8 /2 ½ 0. / /8 0-2 ¼ oz T-40 /8 2 /2 ½ 0.40 ¼ /8 ¼ -28 ½oz T-00 /8 2 /2 ½ 0.00 ¼ /8 ¼ -28 ½ oz Tubular ushings P H-2 LU ll T-2 units shown can be furnished with lug, or plain cap H-2 as shown. On T-24, T-48 and T-64 units consult factory X Hole *lashover ratings are average a-c values at 60 cycles RMS, 40% relative humidity at sea level

NRY Tubular ushings T-.06.0 6 verage lashover T--4-6 ¾ /2 T--4-4 ¾ /2 *T--8-6 /6 *T--22-6 /8 *T--22-4 /8 T--8-4 /6 /2 /2 /2 /2 pprox. Net /2 6.6 /2 6.6 /2.6 /2 8.6 /2 8.6 /2 6.6 T--6-6 /8 /2 /2 T-24.

8 ¼ oz T-24-40-2 /2 /2 T-24-40-6 /2 /2 T-24-40-4 /2 /2 /8 2.6 ¼ oz /8 2.6 ¼ oz /8 2.6 ¼ oz T-48.04.04 'ore 2 Deep 4-28 UN Thd. verage lashover pprox. Net T-48--8 /64 /64.4 oz T-48-64-6 /4 ¼ 8.

9 NRY Tubular ushings T verage lashover T--4-6 ¾ /2 T--4-4 ¾ /2 *T--8-6 /6 *T /8 *T /8 T--8-4 /6 /2 /2 /2 /2 pprox. Net /2 6.6 /2 6.6 /2.6 /2 8.6 /2 8.6 /2 6.6 T--6-6 /8 /2 /2 T " 6 " 8-2 UN Thd. verage lashover T /2 /2 T /2 /2 pprox. Net /6 6.4 /8.0 T /2 /2 ½ 0.8 T /2 /2 ½ 0.8 T /2 /22 ½ 0.8 ¼ oz T /2 /2 T /2 /2 T /2 /2 /8 2.6 ¼ oz /8 2.6 ¼ oz /8 2.6 ¼ oz T 'ore 2 Deep 4-28 UN Thd. verage lashover pprox. Net T /64 /64.4 oz T /4 ¼ 8.0 oz T /6 ¼ 2. /2 oz T /6 ¼ 22. /2 oz T /4 ¼ oz T /6 ¼ /4 oz T /8 /8.0 2 /4 oz *lashover ratings are average a-c values at 60 cycles RMS, 40% relative humidity at sea level

10 Tubular ushings T " 0-2 UN Thd. verage lashover T /64 T-2--2 /6 /2 /2 T /2 T /2 /2 T-2--2 /8 /2 pprox. Net /6 6.4 ¼ oz / ¼ oz 2 / ¼ oz 2 /64.2 ¼ oz / ¼ oz T /64 /2 ½ 0.8 ¼ oz T /64 /2 T-2--6 /4 /2 /2 2.2 ½ oz / ½ oz T-2--6 /4 ¼ / ½ oz T /64 /2 T /64 /6 T /64 /6 T /2 /2 /6.6 ½ oz 2 /2 4.0 ½ oz /8 6.4 ½ oz 2 /2 6.8 ½ oz T /64 /6 8.0 ½ oz T /64 /2 /2.4 ½ oz T /2 /8 2/ ¾ oz T /6 /6 2/ ¾ oz T /64 /6 / ¾ oz T /64 ¼ /6 2.4 ¾ oz T /64 /6 / ¾ oz T /64 ¼ 2 / oz T /2 /2 2 2/ T UN Thd. verage lashover pprox. Net T /6 /6 /6.6 2 oz T /2 /2 /2.4 2 /2 oz T /2 /2 / /4 oz T /2 2 /2 2 / /2 oz T /8 /4. 6 oz 6 T /8 4 /4 4.0 /2 oz " 2" NOT: On terminal bushings with voltage ratings of 20 KV and over, it is recommended that an insulated lead be used inside the ceramic.

NRY High urrent ushings 6 " 2 4" 2" 42 H Type D enter ond. pprox. Net H- 2.0 2 /8 /4 0.

0 oz /2 2 /4 ½ /6 2.0 0.20 2.0 4 oz LP-6 /6 ¾ /64 4 /2 ¾ ¾.00 0.0.0 /4 lbs arrel ushings.

4 ¾ oz /6 6.0 oz 6 6 " -64.062 0-2 UN Thd.

11 NRY High urrent ushings 6 " 2 4" 2" 42 H Type D enter ond. pprox. Net H /8 / ¾ lb H /4 2 /8 /4. ½ 2 lbs H /4 2 /8 2 / lbs D Low Profile ushings LP Type H D D H verage lashover LP-6 /6 LP- /8 LP-8 2 /2 /64 /64 /2 /64 ¾ /6 /6 /8 2 /64 pprox. Net / ½ oz 2 / oz /2 2 /4 ½ / oz LP-6 /6 ¾ /64 4 /2 ¾ ¾ /4 lbs arrel ushings UN Thd. -48 verage lashover /2 / /2 /6 pprox. Net /6 2.4 ¾ oz /6 6.0 oz 6 6 " UN Thd. " verage lashover /2 / /2 /6 pprox. Net /6 4.0 oz /6.8 /4 oz *lashover ratings are average a-c values at 60 cycles RMS, 40% relative humidity at sea level

NRY MORN DVND MTRILS Manufacturing Locations UROP NORTH MRI SI SOUTH MRI RI USTRLI ll materials developed by Morgan dvanced Materials are produced in accordance with ISO 00 standards.

12 NRY MORN DVND MTRILS Manufacturing Locations UROP NORTH MRI SI SOUTH MRI RI USTRLI ll materials developed by Morgan dvanced Materials are produced in accordance with ISO 00 standards. or all enquiries, please contact our specialist sales and manufacturing sites: urope North merica South merica sia Morgan dvanced Materials Morgan Drive Stourport-on-Severn Worcestershire DY 8DW United Kingdom Morgan dvanced Materials 22 Theodore Rice oulevard New edford, Massachusettes 024 US Morgan dvanced Materials venida do Taboão 26- São ernardo do ampo SP P rasil Morgan dvanced Materials 0 Kampong mpat 0-06 K entre Singapore 6824 T +44 (0) (0) europesales@morganplc.com T + (08) 2 + (08) 64 nasales@morganplc.com T + (2) (2) sasales@morganplc.com T asiasales@morganplc.com 20 Technical eramics is a business of Morgan dvanced Materials.20_HV.0

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