Victor insulators pin type insulators low voltage pin types are manufactured and tested to the requirements of ansi standard c29. Cap and pin insulators are suspension insulators that. Porcelain pin type insulator is made by ceramic material and brown or grey glazed. Artificial rain test of outdoor long rod insulators pdf download available. Pin insulators are the earliest developed overhead insulator, but are still commonly used in power networks up to 33 kv system. A pin insulator consists of a nonconducting material such asporcelain, glass, plastic, polymer, or wood. 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. American national standard for insulatorswet process porcelain and toughened glasstransmission suspension type. The versatile neck designs in c, f, k and j, side and top grooves, allow the acceptance of largediameter. The pin insulator is used in power distribution for the voltage up to 33kv. Repair and maintenance of power distribution lines ncert. Pin insulator can have zinc thimble with thread or porcelain thread to hold the spindle head. A pin insulator is a device that isolates a wire from a physical support such as a pin on a.
Ssen 603831 insulators for overhead lines with a nominal voltage. The conductor passes through this groove and is bound by the annealed wire of the same material as the conductor. The conductor passes through this groove and is bound by the. The pin type insulator has grooves on the upper end for keeping the conductor. Electrical centre a 1 11 kv 45 kn disc insulator nos 260. Pin insulator is mainly used on distribution lines from 6kv36kv. The insulators offered for transmission type disc insulators and the fog insulators items 20 to 23 shall be of high reliability class with a guaranteed service failure rate of less than 2 per 10,000 units per year. Distribution insulator cross references distribution insulator cross reference chart click here for pdf version pin type insulators pin posts spools victor cat. We manufacture lots of 11kv pin insulator and 33kv pin insulator. Peak demand porcelain pin insulators are designed to meet or exceed the requirements of ansinema standard c29. Since that time, similar failures have occurred on 12.
Suspension and post type insulators for electric power. Chapter 8 lists the iec documents relating to the different insulator types. The insulators could be in suspension or tension made in string from to insulate the conductor from tower. Oct 21, 2017 suspension insulators are cheaper in cost compared to pin type insulators for operating voltage above 50kv. As the name suggests, the pin type insulator is secured to thecrossarm on the pole. 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.
Types of wire conductors two or more conductors in a common covering form a cable. Fog type disc insulator shall be equipped with a corrosion protection zinc sleeve. Reference books and other information not directly related to pin type insulators can be found in the insulator gowiths listings. Pdf porcelain insulators have a long history and wide application range in power systems, but just like any other. It is mounted rigidly on a supporting structure by a spindle or pin. It tightly fastens electrified wire to wood, metal and tposts 1. Orientwhat are the advantages of polymer pin type insulator.
As the name suggests, the pin type insulator is secured to the crossarm on the pole. Our continuous efforts allowed us to develop products that combine the advantages of porcelain. For high voltages 33 kv, it is a usual practice to use suspension type insulators consist of a number of porcelain discs connected in series. There is a groove on the upper end of the insulator for housing the conductor. Evaluation of electrical properties of 11kv pin and suspension. Export data and price of 11kv pin insulator under hs code. There is a groove on the upper end of the insulator for housing the. Typical application areas for different types of insulators.
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 type insulators on sales quality pin type insulators. The upper surface of all types of insulators are so shaped that water will drop down from the surface easily. Aug 24, 2011 as the name suggests, the pin type insulator is secured to the crossarm on the pole. Insulator type catalog number nominal insulator dimensions ip15c ip15f ip25f 12 ip25j 12 ip35f 12 ip35j 12 a 5. The cost of pin type insulator increases rapidly as the working voltage is increased.
Normal, antifog and open profile can be used according to pollution degree. Advantages of suspension insulators over pin type insulators. This design in the face of rain or dusty environment, allowing dust and water droplets falling more convenient, reduce the possibility of flashover occurred. Electrical insulators and accessories elsewedy electric.
Yellow tpost pin lock insulator 25per bag the home depot. Polyethylene pin type insulators tietop overhead products description. A collection of 66 glass threaded pin type insulators from north america. Feb 24, 20 a pin insulator consists of a nonconducting material such asporcelain, glass, plastic, polymer, or wood. E shlv1 shlv2 shlv8 lvlp 54 76 32 91 57 80 57 82 39 54 40 52 17 17 1717 12 7 11patt bb1003. Oct 18, 2018 there are a number of great reference books that are available to the insulator collector. Insulators are generally classified in following types. A pin type insulator model of dimension of 10cm of height and 25cm of diameter is used for the contamination flashover experiments. The conductor passes through this groove and is bound by the annealed wire of the same material as. Aug 24, 2011 there are several types of insulators but the most commonly used are pin type, suspension type, strain insulator and shackle insulator. Technical specification for overhead line porcelain and glass.
Get pin insulators at best price with product specifications. Many of these insulators were used on telegraph poles for wire line morse code communication. Therefore, this type of insulator is not economical beyond 33 kv. View detailed export data, price, monthly trends, major exporting countries, major ports of 11kv pin insulator under hs code 8546. Stype insulators for voltages of 650, 0 and 1800 kv documentation. We manufacture antifog type up to 210 kn electromechanical strength insulator from 190mm to 550 mm leakage path for networks up to 500 kv. Distribution insulator cross re victor insulator company. For high voltages 33 kv, it is a usual practice to use suspension type insulators consist of a. Each unit of suspension insulators insulator disc is designed for comparatively low voltage 11kv and can increase the insulation strength by connecting these insulator disc modules in series. You are welcome to read more important interview questions and mcqs. Pdf porcelain insulation defining the underlying mechanism of. For insulators used in an approximately horizontal position, the value given in col. In electrical again, they can be classified based on thermal characteristics, mechanical characteristics, composition thermosets, thermoplastics, natural, synthetic, solid, liquid, gases and so on. Cap and pin insulators of porcelain or glass predominate as overhead line suspension or tension.
They are ideal for use with covered conductors because the low dielectric constant matches that of hendrix and other polyethylene conductor insulating compounds. Lt pin insulators type of insulators type i standards to which insulators will conform is. Withstand voltage kv 10 kv puncture withstand voltage 1. Porcelain insulator,porcelain suspension insulator,pin type. Pin type insulators power frequency flashover voltage 50% impulse flashover voltage cat. Tie top heads with a c, f and j neck designs are available. Upto what voltage level we can use pin type insulator.
There are a number of great reference books that are available to the insulator collector. In case of failure replacement work is easy as string is suspended free to swing in any direction. 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. The top of spindle or pin usually have steel lead or plastic thread which can screw into the pin insulator. Disc insulators with extended creepage distances shall have measurements in accordance with table 1. Porcelain pin type insulator used on distribution line up to 36kv. Pin type insulators as the name suggests, the pin type insulator is secured to the cross arm on the pole. There is a groove on the upper end of the insulator forhousing the conductor.
It is placed on the cross arm of the supporting tower. Lv pin insulators, porcelain pin insulators,line pin insulators. Failures of pedestaltype pin and cap insulators the problem of failure of pedestaltype insulators first appeared on a 34. 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.
Reference books and other information not directly related to pintype insulators can be found in the insulator gowiths listings. As 3609 insulators porcelain stay type voltages not exceeding. It is a formed, single layer shape that is made out of a nonconducting material, usually porcelain or glass. Pin insulator is earliest developed overhead insulator, but still popularly used in power network up to 33 kv system. Pin insulators are one of three types of overhead insulators, the others being strain insulators and suspension insulators. 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. Aug 31, 2017 the pin insulator is used in power distribution for the voltage up to 33kv.
Porcelain capandpin rod insulators for railway overhead wiring. Hdpe insulators are 100% recyclable and our hdpe insulators can replace porcelain pin insulators, already pass the design tests in the international lab. The top countries of suppliers are india, china, and taiwan, china, from which the percentage of insulator pins supply is 1%, 98%, and 1% respectively. As 3608 insulators porcelain and glass, pin and shackle type voltages not exceeding v a. Cables typically consist of multiple conductors, colorcoded for identification. Journal of computingflashover prediction of pintype. Mar 09, 20 pin type insulators as the name suggests, the pin type insulator is secured to the cross arm on the pole. Ansi class vi insulators victor porcelain products cooper lapp ohio brass santana a b chance 88r 552 253s np8d8 6188r 12847 pi 22081 c9052. Low voltage pin types are manufactured and tested to the requirements of ansi standard c29.
Rus listed peak demand porcelain pin insulators are rus listed. Types of insulators in transmission lines electrical4u. There are several types of insulators but the most commonly used are pin type, suspension type, strain insulator and shackle insulator. Porcelain pin type insulator is mounted rigidly on a supporting structure by an insulator pin or insulator spindle. In artificial testing, a contaminant is usually substituted by a dissolved mixture of an inert binderkaolin and nacl salt.
Their design varies to suit different types of polluted zones and. The insulators shall comply with the following tests as per is. The conductor passes through this groove and is bound by theannealed wire of. Composite pin insulators have tie top and clamp top types, which is made by polymer type silicone rubber. Each unit of suspension insulators insulator disc is designed for comparatively low voltage 11kv and can increase the insulation strength by.