The construction of the pin type insulator is simple and requires less maintenance. Suspension insulators are what originally made high voltage transmission possible, and consist of individual units designed to. We offer high quality pin type insulators according to iec, ansi, bs standards and customers specifications. No variation in the pin fit is permitted and unless the insulators comply fully with porcelain products standard, the entire lot is. Download insulators catalogue pdf overhead line fittings uk ltd. Conductor wire is passed through this groove and secured by binding with the. Porcelain pin type insulator is made by ceramic material and brown or grey glazed. Ssen 60372 locking devices for ball and socket couplings of string insulator units dimensions and tests. Meister internationals suspension insulators are made to be more cost effective than pin type insulators when it comes to high voltage transmission. Pdf contaminationdriven insulator failure is a problem that incessantly plagues distribution systems. The conductor passes through this groove and is bound by the annealed wire of the same material as the conductor. Suspension type insulator consist one or more insulator unit connected together to form a string and hanged to the cross arm of supporting structure or tower and carry power conductor at its lowest extremity.
There is a groove on the upper end of the insulator for housing the. Both low voltage and high voltage designs are available and in compliance to applicable ansi class 55 and 56 standards. Orient power is pin insulator manufacturer in china. 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. Overhead products a3 polyethylene 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. Shop for insulators pin type from platt electric supply. Dulhunty power insulator section i type as class sh. An investigation of salt contamination on insulators and the. Technical specification for overhead line porcelain and. Meister international is a proud member of the national association of electrical distributors and has over 35 years of international industrial business experience. Pin insulator as the name suggests, the pin type insulator is mounted on a pin on the crossarm on the pole.
Hendrix tietop insulators are molded of proprietary, gray, track resistant, high density polyethylene. Suspension type insulators are cheaper than pin type insulators for voltages beyond 33 kv. Especially ansi standard pin insulator are in very good finish and high cantilever strength. Salt spray factory pollution damage due to target practice. Standard ansi standard designs victor manufacturers three classes of pin type insulators.
Fsk russian homologation lapp post ceramic 35220kv. Meister international electrical insulator in stock ready. A wide variety of pin type insulator options are available to you, such as application, type, and material. Ansi class vi insulators victor porcelain products cooper lapp ohio brass santana a b chance 88r 552 253s np8d8 6188r 12847 pi 22081 c9052.
There is a groove on the upper end of the insulator. Pin type insulators are used for supporting line conductors. The versatile neck designs in c, f, k and j, side and top grooves, allow the acceptance of largediameter. These are used in power distribution system for 11kv and 33kv. Ppc insulators for the transmission and distribution of. What is the maximum voltage level upto which the pin type insulators can be used. Gray glaze is standard on all station post insulators. They are ideal for use with covered conductors because the low dielectric constant matches that of hendrix and other polyethylene con. Types of insulators complete knowledge database of. Post insulator a type of insulator in the 1930s that is more compact than traditional pin type insulators and which has rapidly replaced many pin type insulators on lines up to 69 kv and in some configurations, can be made for operation at up to 115 kv. Polyethylene pin type insulators tietop overhead products description.
We manufacturer porcelain pin type insulator and composite pin insulators. Pin type insulators as the name suggests, the pin type insulator is secured to the cross arm on the pole. They are secured on the cross arms of the pole to carry power lines. 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. Which type of insulator is used on 2 kv transmission lines. Types of insulators in transmission lines electrical4u. Lapp insulators produces high quality products for high voltage and railway electricity networks since 1930. Insulators long rod distribution synthetic composite au 1011 insulators specifications unit glpds15 glpds28 glpds35 glpds46 recommended application section length l insulation length x dry arcing distance leakage distance low frequency flashover dry wet critical impulse flashover pos. Therefore, in this types of insulators in transmission lines insulator is not economical beyond 33 kv. For insulators used in an approximately horizontal position, the value given in col. Ssen 603831 insulators for overhead lines with a nominal voltage. Pin insulators are the earliest developed overhead insulator, but are still commonly used in power networks up to 33 kv system.
Composite insulators offer,polymer insulator offers,silicone insulator offers custom specified, manufactured, tested and reliable for their service life polymer ins we manufacture high voltage insulator 10kv500kv series composite insulators, also known as polymer insulators or silicone rubber insulators, which include suspension long rod silicone rubber insulators, pin type composite. Low voltage pin types are manufactured and tested to the requirements of ansi standard c29. The features of cap and pin type insulator the end fittings. The cost of pin type insulator increases rapidly as the working voltage is increased. 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. Insulators with grey glaze can also be supplied upon request.
Typical application areas for different types of insulators. Power lines supported by ceramic pin type insulators in california, united states 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. Artificial rain test of outdoor long rod insulators pdf download available. The versatile neck designs in c, f, k and j, side and top grooves, allow the acceptance of.
Voltage class of pin type insulator can be made up to 36 kv,10 kn. Mps offers a wide variety of distribution insulators for applications up to 46kv. The insulators shall comply with the following tests as per is. 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. Suspension type insulator the cost of pin type insulator increases if the voltage capacity will increased. Printed wiring most electronic circuits are mounted on a plastic or fiberglass insulating board with printed wiring. Our insulators are designed to meet the onerous test. A pin insulator is a device that isolates a wire from a physical support such as a pin on a. 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. Polymer pin insulator, composite pin insulator, silicon pin insulators are different names for polymer pin insulator. The versatile neck designs in c, f, k and j, side and top grooves, accepts large diameter conductors for easy tying. Ppc manufactures a wide range of low and high voltage pin type insulators designed for distribution.
Beyond operating voltage of 33 kv, the pin type insulators become too bulky and hence uneconomical. Rus listed peak demand porcelain pin insulators are rus listed. We offer an deal in wide range of polymer post insulators which include suspension long rod silicone rubber insulators, pin type composite insulators, station post polymer insulators, cross arm silicone rubber insulators, electrified railway polymer insulators, polymer dise insulator, polymer lighting aresster. The conductor passes through this groove and is bound by the. Pin type insulator can be one part, two parts or three parts type, depending upon application voltage. Pin type insulators or pin insulators are popularly used in electric distribution systems up to 33 kv voltage level. Unless otherwise stated, this term does not include the insulator pin. These insulators can be used in any application that calls for porcelain insulators. Jun 27, 2019 because of limitations of pin type insulators for higher voltage, suspension type insulators are used. Cap and pin type insulator consists of porcelain units, iron cap and insulator end fittings, can be made from porcelain and polymer materials.
Pin type insulator are used for transmission and distribution of electrical power at voltage up to 33kv. Since 2003, meister international has been distributing the finest quality porcelain insulators and porcelain bushings to original equipment manufacturers oems and users of switchgear, transformers and busduct around the world. Most cap and pin insulators were installed many years ago. Technical specification for overhead line porcelain and glass insulators i specification ets100101 ver 5 ergon energy corporation limited abn 50 087 646 062. Pin insulator is mainly used on distribution lines from 6kv36kv. There is a groove on the upper end of a pin insulator for housing the conductor. Pin hole diameter recommended pin length leakage distance dry arcing distance p551gr p552gr p553gr 214 338 2. Peak demand porcelain pin insulators are designed to meet or exceed the requirements of ansinema standard c29. Gostr certificate for the full range of post ceramic lapp insulators s. Pdf analysis of surface flashover of 33kv pin type insulators due. Distribution insulator cross references distribution insulator cross reference chart click here for pdf version pin type insulators pin posts spools victor cat. The higher the placement of the insulator, the heavier the contamination. It is placed on the cross arm of the supporting tower.
Description the plp polymer insulators are ideal for use in. Technical specification for overhead line porcelain and glass insulators ets100101. Arp recommends using preformed line products factory formed ties when attaching conductor to arp silicone polymer pin type insulators. Distribution insulators archives maclean power systems. We offer line post and deadend insulators for your power and utility needs. Low voltage pin type insulators specification ansi c29. 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. Composite pin insulators have tie top and clamp top types, which is made by polymer type silicone rubber. Pin insulators are one of three types of overhead insulators, the others being strain insulators and suspension insulators. Polymer insulator line post insulators manufacturer from. Types of insulators in transmission lines properties of. We are a leading manufacturer, exporter and supplier of power insulators. The pin balls shall move freely in the cap sockets but shall be so designed that they do not get disengaged while in service under various operating and atmospheric conditions.
Porcelain insulator,porcelain suspension insulator,pin type. Beyond operating voltage of 33kv, the pin type insulator become too bulky and hence uneconomical. All insulators are manufactured to the highest standard from high grade wet process porcelain and are usually glazed brown. It is a formed, single layer shape that is made out of a nonconducting material, usually porcelain or glass.
Pin type insulators on sales quality pin type insulators. Each unit or disc of suspension type insulator is designed for low voltage, usually 11 kv. Insulators types of electrical insulators in overhead lines. These insulators are designed to meet the applicable dimensional, electrical, and mechanical requirements of the ansi c29. For low voltages up to and including 11 kv one piece insulators can be used and two piece insulators are commonly used for 25 kv and for 44 kv up to and including 66 kv three and four piece insulators can be employed.
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. The versatile neck designs in c, f, k and j, side and top grooves, allow the acceptance of largediameter conductors to permit easy tying. Silicone cap and pin archives maclean power systems. The pin insulator is used in power distribution for the voltage up to 33kv.
Aug 24, 2011 there are several types of insulators but the most commonly used are pin type, suspension type, strain insulator and shackle insulator. 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. Distribution insulator cross re victor insulators, inc. The caps and pins of the disc insulators shall be heavily galvanised and mechanically strong. Pin type insulator features arp recommends using preformed line products factory formed ties when attaching. Our product range includes ceramic insulator, porcelain insulator, glass insulator, composite insulator, fuse cutout, surge arrester, power fittings, lamp holder, porcelain lampholder etc. 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. Electrical centre a 1 11 kv 45 kn disc insulator nos 260. Aug 24, 2011 pin type insulators are used for transmission and distribution of electric power at voltages upto 33 kv. Polymer pin insulator 11kv pin insulator with gi pin. For short circuit loads only, the maximum recommended working load is 100% of published ratings when using formulas from ansi c371972. 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. As the name suggests, the pin type insulator is secured to the crossarm on the pole. There is a groove on the upper end of the insulator for housing the conductor.
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