Electric Transmission Line Cross Arm Insulator Composite 22kV / 24kV

Specifications:
 
Dimensions and Characteristics of 22kV line post insulator for Transmission Line

 


Description:
 
1, 22kV,24kV Line Post Insulators are widely used in power transmission lines.
 
2, Dead end fittings are up to the requirements from the clients, usually we use different flanges for post insulators with forged steel or cast steel. The dimensions and coupling size can be exactly according to the specification requirements from the utilities.
 
3, The silicon rubber color of the insulators are also up to the requirements from the clients and all the silicon rubber materials past 5000 hours aging test silicon content test and hydrophobicity test.
 
4, ECR core rods are used in all the insulators, so we can guarantee a very good mechanical strength and anti-acid pollution performance for the insulators.
 
5, All our insulators were type tested and design tested in accordance with IEC61952, maximum RIV is 100µV when tested at 1MHz and10% over nominal line ground voltage for indicated system voltage.
 
6, All the Line Post Insulators with the voltage lower than 110kV are not supposed to use corona ring.
    All the Line Post Insulators with the voltage equal to or higher than 110kV but lower than 220kV are supposed to use one corona ring at the line end.
    All the Line Post Insulators with the voltage equal to or higher than 220kV are supposed to use two corona rings at both sides.
 
 
Applications:
 
1, Usually used in 22kV,24kV Electric Transmission Power Lines
 
 
Competitive Advantages:

		them but with same mechanical strength 400kV -- Around 15kgs
Fragility	Highly fragility to shock and vibration	No fragility to shock and vibration
Packing and transportation	Risky and very costly	Easy and economical
Installation	Risky expensive and more labor required	Very easy and economical
Handling	Difficult	Easy
Maintenance cost	Very expensive	Low
Vandalism	More susceptible	Highly resistant
Breakages and secondary damage	Highly fragile- 10-15% breakages are reported during transportation storage and installation	Flexible and therefore highly resistant to breakages
Technical comparison
Mechanical failure	Reduction in mechanical strength and separation during to pings getting eroded	Just with single piece, so no such kind of problem
Resistance to flashover and punctures	Low	High
Anti tracking and erosion resistance	Very low- poor tracking resistance	Excellent tracking resistance avoids erosion or tracking of the housing material
Dielectric strength	Lower than polymer	Excellent insulation performance
Contamination and pollution	Highly effected	Not effected and has much longer life
Hydrophobicity	No hydrophobicity, ceramic surface forms water films on the surface making easy path leading to more flashover	Very excellent hydrophobicity
Contact Supplier Mr. Warren sale Manager Chat Now Telephone 86-755-26927358 Mobile 86-75526927358 Fax 86-755-26927358 Skype warren.zhou0517 Address Group 3, Zhennan Village, Chaiwan Town, Rugao City Shaoxing,Zhejiang Showroom https://polymerr.goldsupplier.com/ You May Like IEC 61109 Composite Polymer Pin Insulator , Pedestal 11 Kv Post Insulator Negotiable /Ton 1 Ton(MOQ) 1000kV High Tension Insulators , Anti - Pollution Grey High Voltage Insulator Negotiable /Set 1 Set(MOQ) Composite Suspension Transmission Tower Insulators High Tension 800 kV Negotiable /Piece 1 Piece(MOQ) Lightweight Composite Polymer Silicon Rubber Insulator 750kv ANSI Standard Negotiable /Ton 1 Ton(MOQ) 500kV Polymer Transmission Tower Insulators Lightweight Dual Corona Ring Negotiable /Square Meter 1 Square Meter(MOQ) Polymer High Voltage High Tension Insulators 400kv With Two Corona Rings Negotiable /Ton 1 Ton(MOQ) New Products Suspension Type High Tension Insulators 220kv IEC 61109 Standard For Power Line Negotiable /Case 1 Case(MOQ) One Corona Ring Composite Polymeric Insulators 110kv High Flexibility Negotiable 1 (MOQ) 63kV Suspension Type High Tension Insulators Lightweight High Performance USD $ 6.00 - 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