As 3608 insulators porcelain and glass, pin and shackle type voltages. Our product range includes ceramic insulator, porcelain insulator, glass insulator, composite insulator, fuse cutout, surge arrester, power. Pin insulators are one of three types of overhead insulators, the others being strain insulators and suspension insulators. Insulign polymer insulators nuetral pin type sell sheet. There is a groove on the upper end of the insulator for housing the conductor. The part section of a pin type insulator is shown in figure below. The hewlett type insulator is more reliable than the cemented cap type, but the porcelain in. Guranteed technical particulars of 33kv pin insulator to be. Porcelain pin type insulator is mounted rigidly on a supporting structure by an insulator pin or insulator spindle. Tie top heads with a c, f and j neck designs are available. Pdf a detailed investigation of overhead line insulators. Porcelain pin type insulator is made by ceramic material and brown or grey glazed. This allows for a requirement of littletono maintenance.
As 3608 insulators porcelain and glass, pin and shackle type voltages not exceeding v a. Printed wiring most electronic circuits are mounted on a plastic or fiberglass insulating board with printed wiring. Polymer pin type insulator is applied to high voltage power line to support conductor and insulate from ground. The pin insulator has grooves on the upper end for keeping the. Pin type insulator features arp recommends using preformed line products factory formed ties when attaching. As the name suggests, the pin type insulator is secured to the crossarm on the pole.
Pdf contaminationdriven insulator failure is a problem that incessantly plagues distribution systems. It is mounted rigidly on a supporting structure by a spindle or pin. Porcelain pin type insulator used on distribution line up to 36kv. Lowand mediumvoltage pin type insulator ansi standard standard particulars cat. Fsk russian homologation lapp post ceramic 330750kv. The pin of the insulator damaged the insulator thread. Since this type insulator has many advantages, now days many countries and areas more and more use this type insulator to displace porcelain or ceramic insulator. Our offer includes solutions in isolation and protective equipment for use, distribution and transmission of energy. Lapp insulators produces high quality products for high voltage and railway electricity networks since 1930. In order to assess the pollution behavior, 33 kv pin type insulator was selected as a sample.
N this catalog are listed only pin type and strain insulators and accessory hardware. Pdf ac and transient electric field distributions along. There are several types of insulators but the most commonly used are pin type, suspension type, strain insulator and shackle insulator. Porcelain insulator,porcelain suspension insulator,pin. Porcelain pin type insulator, also called distribution ceramic pin insulator, consists of a single piece of ceramic or maybe two pieces of ceramic components permanently assembled together by cement. Pin insulators are the earliest developed overhead insulator, but are still commonly used in power networks up to 33 kv system. Complete uptominute specifications and characteristics are given. A pin insulator is a device that isolates a wire from a physical support such as a pin a wooden or metal dowel of about 3 cm diameter with screw threads on a telegraph or utility pole.
Pdf this paper presents the results of a fouryear field research study. There is a groove on the upper end of the insulator for housing the. It is placed on the cross arm of the supporting tower. Pin type insulator can be one part, two parts or three parts type, depending upon application voltage in a 11 kv system we generally use one part type insulator where whole pin insulator is one piece of properly shaped porcelain or glass.
The features of cap and pin type insulator the end fittings. Power lines supported by ceramic pin type insulators in california, united states. Cap and pin type insulator consists of porcelain units, iron cap and insulator end fittings, can be made from porcelain and polymer materials. An insulator will be found in the following pages which will be correct for any pin type or strain installation. Gostr certificate for the full range of longrod porcelain lapp insulators gostr certificate for the full range of post ceramic lapp insulators s. Insulators line post porcelain 106 au insulators tietop t xarm ground end live end pin post gain base vertical clamp top c horizontal clamp top h cat no. Hdpe insulator, hdpe pin type insulator application for hdpe insulator polymer hdpe insulator is applied to medium and high voltage power line to support conductor and insulate from ground. Composite pin insulators have tie top and clamp top types, which is made by polymer type. Hdpe insulators can be applied with jacketed or bare overhead conductors, aluminum or copper. They withstand weights of double digit tons over several decades and thus ensure the safe transportation of energy and power supply across hundreds of miles. Types of insulators in transmission lines electrical4u. Sp3245 insulign polymer insulator tie top catalog pages. Artificial rain test of outdoor long rod insulators pdf download available. Salt spray factory pollution damage due to target practice.
Poor insulation conditions make up 62% of system outages on average, degrading several network performance indexes e. We manufacturer porcelain pin type insulator and composite pin insulators. We are a leading manufacturer, exporter and supplier of power insulators. All of which are manufactured under international standards such as iec and ansi among others. The top of spindle or pin usually have steel lead or plastic thread which can screw into the pin insulator. The conductor passes through this groove and is bound by the. The pin type insulators meister supplies can be installed quickly and conveniently. Pin type insulators on sales quality pin type insulators. Dulhunty power insulator section i type as class sh. The dimensions and construction of lt11kv33kv pin insulators should be as per is mentioned in clause 2 with. Description the plp polymer insulators are ideal for use in.
Download insulators catalogue pdf overhead line fittings uk ltd. Orient power is pin insulator manufacturer in china. The construction of the pin type insulator is simple and requires less maintenance. The conductor passes through this groove and is bound by the annealed wire of the same material as the conductor. Electrical pylon with disc and pin type overhead line insulators source. Low voltage pin types are manufactured and tested to the requirements of ansi standard c29. Bend annealed tie wire of proper size and length around insulator under the conductor above the conductor on a side tie forming a u. Beyond operating voltage of 33 kv, the pin type insulators become too bulky and hence uneconomical. Pin type insulators as the name suggests, the pin type insulator is secured to the cross arm on the pole. A pin insulator is a device that isolates a wire from a physical support such as a pin on a. Both low voltage and high voltage designs are available and in compliance to applicable ansi class 55 and 56 standards. The insulator s exterior is coated in a highquality glaze, making sure to shed water and keep dirt and other pollutants from adhering.
Pdf analysis of surface flashover of 33kv pin type insulators due. All books are in clear copy here, and all files are secure so dont worry about it. The pin insulator is used in power distribution for the voltage up to 33kv. The pin type insulator is designed to be mounted on a pin which in. A wide variety of pin type insulator options are available to you, such as application, type. Ssen 60372 locking devices for ball and socket couplings of string insulator units dimensions and tests. The integrity of these insulators is critical for the systems electrical insulation performance and for reducing the systems outage rates. Read online 6c001 highvoltage pin type insulator book pdf free download link book now. The versatile neck designs in c, f, k and j, side and top grooves, allow the acceptance of. Mainly applied in electrical system of 15kv, 25kv and 35kv. Insulign polymer insulators tie top distribution catalog.
Pdf inspection of pin insulators in distribution medium voltage. Which type of insulator is used on 2 kv transmission lines. And composite insulator is used under 35kv distribution line. D insulators pin type insulators highly resistant to lightning puncture, ppc insulators manufactures a wide range of low and high voltage pin type insulators designed for distribution and sub transmission circuits. As 3609 insulators porcelain stay type voltages not exceeding v a. Ssen 603831 insulators for overhead lines with a nominal voltage. Base line designation nominal voltage kv height creepage mount end h11536 h158 h176 h112 h157 h11632 h168 h11173 h11174 h11461 h11472 h11529 h11654 h11663 h11669. Beyond operating voltage of 33kv, the pin type insulator become too bulky and hence uneconomical. Suspension insulator string insulator electricity glasses scribd.
Standard ansi standard designs victor manufacturers three classes of pin type insulators. Pin type insulator are used for transmission and distribution of electrical power at voltage up to 33kv. Porcelain insulator pin type insulator pin insulator consists of a single piece of ceramic or two or more ceramic components permanently connected together and intended to be mounted rigidly on a supporting structure by an insulator pin spindle. There are 5 types of insulators used as electrical overhead insulation pin insulator, suspension insulator, strain insulator, stay insulator, and. A wide variety of polymer pin type insulator options are available to you, such as application, type, and material. Suspension type insulator the cost of pin type insulator increases if the voltage capacity will increased.
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