High Voltage Ceramic Porcelain Capacitor Bushing1.Rolling
technology 2.Stable mechanical strength 3.No fracture, no oil
leakage 1. Brief
introductionCapacitor bushings are roll-formed with high-strength porcelain and metal accessories, which have good mechanical and electrical properties. There are currently 1
skirt
to 16 skirts capacitor bushings with a maximum creepage distance of 1200mm.Model
No.H(mm)Dry arcing distance(mm)Creepage distance(mm)6
skirts21816038010 skirts29824062011 skirts31826074513
skirts35830082014 skirts37832086016 skirts41836098014 skirts
enlarged4553861200 2. Product
designThe upper flange of the bushing head
is designed with 3 U-shaped grooves. Glue is dispensed at the
grooves. The upper flange sleeve is filled with silicon rubber
seals and tightened by rolling, which can effectively prevent
fasteners. When tightening, it is subjected to torque to make the
rolled flange cap loose due to force, effectively avoiding the
occurrence of oil leakage on the head.The bottom of the casing is
designed with grooves and inclined surfaces. Glue is applied to the
grooves. The lower flange is rolled to make it; tightly integrated
with the bottom inclined surface of the porcelain. The flange
is tightened and the bottom sealing ring is compressed at the
same time. The sealing ring and glue play a double sealing role.
This structure can effectively prevent the capacitor from being
subjected to torque during wiring to loosen the flange,
effectively avoiding the generation of oil leakage at the
bottom, and ensuring the overall mechanical strength, sealing and
insulation strength of the product.3. Manufacturing
standardThe manufacturing process of capacitor bushing mainly adopts the International Electrotechnical Commission (IEC60137-2008) Standards and JB/T 11052-2010 "Technical Conditions of Press-fit Insulating Sleeves for Capacitors" and other technical specifications and standards. 4.
Inspection standards
4.1. Appearance inspection: the color, surface condition, glaze defect, etc. of the porcelain are in accordance with IEC60137Ed.6.0It is required to inspect one by one, and reject unqualified products.4.2. Dimensional inspection: strictly in accordance with the technical conditions and drawings signed with the customer.4.3. Sealing performance: the finished product is tested by helium mass spectrometer leak detector one by one, and the leak rate is less than 10-9Pa.m³ /s.44. Bending and torsion testing: routine bending strength testing is 50N, The routine
torsion strength test is 4Nm. /* January
22, 2024 19:08:37 */!function(){function s(e,r){var
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