Technical specification for overhead line porcelain and glass insulators. Insulign polymer insulators nuetral pin type sell sheet. C 2 14 nominal, f 278 nominal and j 312 neck sizes are available. The conductor passes through this groove and is bound by the. There is a groove on the upper end of the insulator. Manufactured since the early years of the 19th century, the pin insulator is still in common use in any area where wires or cables are installed above ground with the use of utility poles. Only thus can an insulator which will give years of trouble free service be produced. What is the difference between pin type, suspension type. If you want to know more about ansi standard pin insulators please contact orient power. The versatile neck designs in c, f, k and j, side and top grooves, allow the acceptance of largediameter conductors to permit easy tying.
Aug 31, 2017 the pin insulator is used in power distribution for the voltage up to 33kv. No agreed test methods are available for predicting the pollution performance of a polymeric insulator under given site conditions and the cigre task force 33. Usable for any application that calls for porcelain or polymer pin insulators, and suitable for use with all types of jacketed or bare conductors. It is placed on the cross arm of the supporting tower. We are a leading manufacturer, exporter and supplier of power insulators. Direct height replacement for porcelain cap and pin tr numbers in ansi c29. The pin insulator has grooves on the upper end for keeping the. Technical specification for overhead line porcelain and glass insulators ets100101.
Pin insulator consist of a single or a multiple shells, mounted on a spindle to be fixed to the cross arm of the supporting structures. Details of station posts above 66kv available on request. Yellow tpost pin lock insulator 25per bag the home depot. Most cap and pin insulators were installed many years ago. Conductor radius log in or register contact customer support phone. The zareba black pin lock wood and tpost insulator the zareba black pin lock wood and tpost insulator will keep your wire securely attached to your posts. Insulator 1 insulator shall be manufactured as per is7311971 and subsequent amendment 1 to 5 or latest amendment of it. Ansi 565 pin type insulator 69kv glazed porcelain 8 pin hole 1212 height grey icb the details about ansi standard pin insulators specifications and other sides have been introduced in orient insulator pdf files. A neutral spool insulator is available and meets the ansi c29. It tightly fastens electrified wire to wood, metal and tposts 1.
Pin insulator as the name suggests, the pin type insulator is mounted on a pin on the crossarm on the pole. Pin type insulators can have up to three parts, depending on the amount of voltage. The electrical and mechanical particulars of lt11kv33kv pin insulators. The suspension insulator is for voltages above 33kv. Our product range includes ceramic insulator, porcelain insulator, glass insulator, composite insulator, fuse cutout, surge arrester. 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. In case of failure replacement work is easy as string is suspended free to swing in any direction. Mechanical strength of insulators insulators shall withstand all applicable loads specified in rules 250, 251, and 252 except those of rule 250c and rule 250d without exceeding the following percentages of their strength rating for the respective insulator type shown in table 2771. There is a groove on the upper end of the insulator for housing the. We manufacturer porcelain pin type insulator and composite pin insulators. By using ansi head and neck dimensional standards, plp metal or plastic factory formed ties will install easily and provide. The pin of the insulator damaged the insulator thread.
Sp3245 insulign polymer insulator tie top catalog pages. Composite pin insulators have tie top and clamp top types, which is made by polymer type silicone rubber. The pin insulator is the earliest developed insulator. Insulign polymer insulator tie top preformed line products. The insulator is then fixed on a steel pin which is fitted on a post by screwing the insulator on the pin. Pin insulator consist of nonconducting material such as porcelain, glass, plastic, polymer or wood. Lowand mediumvoltage pin type insulatoransi standard standard particulars cat. Porcelain insulator,porcelain suspension insulator,pin. The pin insulator is used in power distribution for the voltage up to 33kv. Failing load kn a diameter shank stem length thread length min. Higher transmission voltages use suspension insulator strings, which can be made for any practical transmission voltage by adding insulator elements to the string. Pin type insulators are unsuitable for voltages greater than about 69 kv linetoline.
A pin insulator is a device that isolates a wire from a physical support such as a pin on a. There is a groove on the upper end of the insulator for housing the conductor. Higher voltage transmission lines usually use modular suspension insulator designs. Standard units b10035 a7 c1507 c15011 c20011 c3007 special units b100sp a030sp c150sp c20011l 3. Insulator pin used to support pin type insulator with 1 nema internal thread on crossarm. If the red x still appears, you may have to delete the image and then insert it again. From the commencement year of our organization, we are involved in manufacturing, trading and supplying of quality approved lt pin insulator to the clients. How many type of insulator use in electrical transmission and. Porcelain pin type insulator mainly includes ansi 553, ansi 554 and ansi 555, and distribution ceramic pin insulator will be used on 11kv or 33kv transmission lines. Pin insulators are the earliest developed overhead insulator, but are still commonly used in power networks up to 33 kv system. As the name suggests, the pin type insulator is secured to the crossarm on the pole. Fsk russian homologation lapp post ceramic 35220kv. The versatile neck designs in c, f, k and j, side and top grooves, allow the acceptance of largediameter. Fsk russian homologation lapp post ceramic 330750kv.
Pin type and strain insulators accessory hardware catalogue. Page 4 of 43 specification ets100101 ver 5 ergon energy corporation limited abn 50 087 646 062 2. Artificial rain test of outdoor long rod insulators pdf download available. Enml10229 polymer insulators catalog preformed line products. The conductor is tied to the neck of the top concave surface above the upper shed using binding wires to secure the conductor. Lt insulators lt pin insulator manufacturer from khurja. Insulign polymer insulators tie top distribution catalog. Orientwhat is the difference between pin type, suspension. Yes yes 2 brown colour glazed yes yes 3 320mm min creepage distance. Yes yes 4 mechanical failing load min i 10 kn 1020kg for pin insulator ii 70kn 7140kg for disc. Typical application areas for different types of insulators.
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. 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 strain insulator is the same as a suspension insulator but it is used horizontally, whereas the. Download insulators catalogue pdf overhead line fittings uk ltd. Pin insulator is mainly used on distribution lines from 6kv36kv. Crossarm insulator pin with 1in lead thread, 5in shaft length and 58in x 612in shank. Insulator electricity simple english wikipedia, the. Features n tie top designs are perfect for use with all plp ties n matched dielectric properties with jacketed conductor. Pin insulators are one of three types of overhead insulators, the others being strain insulators and suspension insulators.
Silicone cap and pin archives maclean power systems. Pdf contaminationdriven insulator failure is a problem that incessantly plagues distribution systems. 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. Ansi standard pin insulators insulator,high voltage. Technical specification for overhead line porcelain and. Both low voltage and high voltage designs are available and in compliance to applicable ansi class 55 and 56 standards.
Rules 250, 251, and 252 do not specify load factors. E shlv1 shlv2 shlv8 lvlp 54 76 32 91 57 80 57 82 39 54 40 52 17 17 1717 12 7 11patt bb1003. No variation in the pin fit is permitted and unless the insulators comply fully with porcelain products standard, the entire lot is. Designed under the strict supervision of the experts of the industry, these pin insulators are renowned for giving hassle free performance. Salt spray factory pollution damage due to target practice. Gostr certificate for the full range of post ceramic lapp insulators s. Types of insulators in transmission lines electrical4u. Porcelain insulator,porcelain suspension insulator,pin type. Therefore, representative batches of every lot of pin type insu lators are tested on steel pin gauges which are in exact accordance with the n ela standard pin. Pin type insulator features arp recommends using preformed line products factory formed ties when attaching. Dulhunty power insulator section i type as class sh. The conductor passes through this groove and is bound by the annealed wire of the same material as the conductor.
Unless otherwise stated, this term does not include the insulator pin. Tie top heads with a c, f and j neck designs are available. The conductor passes through this groove and is tied to the insulator with annealed wire of the same material as the conductor. There are several types of insulators but the most commonly used are pin type, suspension type, strain insulator and shackle insulator. Therefore the strength factors in table 2771 are to be used under the weather conditions noted in.
Since they are different heights from normal station posts, mps has developed a variety of these replacement silicone posts that are the exact same height as the porcelain. There are two types of construction in disc insulators. Our product range includes ceramic insulator, porcelain insulator, glass insulator, composite insulator, fuse cutout, surge arrester, power fittings, lamp holder, porcelain lampholder etc. The insulators are designed to meet the appropriate dimensional, electrical and mechanical requirements of the applicable ansi c29. It is thought to be the earliest developed overhead insulator and is still popularly used in power.
Porcelain pin type insulator is made by ceramic material and brown or grey glazed. The dimensions and construction of lt11kv33kv pin insulators should be as per is mentioned in clause 2 with latest issues thereof. It is a formed, single layer shape that is made out of a nonconducting material, usually porcelain or glass. Pin type insulators as the name suggests, the pin type insulator is secured to the cross arm on the pole. Aug 24, 2011 there are several types of insulators but the most commonly used are pin type, suspension type, strain insulator and shackle insulator. How many type of insulator use in electrical transmission. The conductor passes through this groove and is bound by the annealed wire of the same material as. Maclean silicone cap and pin replacements offer many advantages. Insulator in overhead line and types of insulators. A pin insulator is a device that is designed to support some type of wire, such as telephone wire, from direct contact with whatever structure is used in the configuration of the wiring. Insulators standoff type 26 insulators strain type insulators suspension type 6 insulators tietop type 4 insulator racks 3 add qtys to cart. Technical specification for overhead line porcelain and glass.
Refer to sales drawing for included hardware for securing to crossarm. Aug 24, 2011 as the name suggests, the pin type insulator is secured to the crossarm on the pole. 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. Insulators are generally classified in following types. Proper allowance should be made for the loads in rule 250c and rule 250d.
Mar 09, 20 pin type insulators as the name suggests, the pin type insulator is secured to the cross arm on the pole. 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 pinspindle. The conductor is placed on the top side of the insulator where there is groove to fix. Technical specification for overhead line porcelain and glass insulators i specification ets100101 ver 5 ergon energy corporation limited abn 50 087 646 062. Pdf analysis of surface flashover of 33kv pin type insulators due. The construction of the pin type insulator is simple and requires less maintenance.
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