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Hybrid Insulators
سیلیکون × چینی
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Blog – R&D
Research, testing,and field experience.
Taban Niroo’s Research & Development team focuses on the design and development of products that deliver additional value under demanding electrical and environmental conditions. Our work is guided by IEC standards and continuous feedback from the field.
R&D overview
Engineeringthatstartsbeforetheproductdoes
Every Taban Niroo product begins as a calculation, not a guess. Our R&D team works from IEC standards, electrical field simulations, and years of accumulated field data to engineer insulators that perform reliably in the specific conditions they'll actually face — not just in laboratory ideal conditions.
This approach has driven two of our most significant engineering efforts: rigorous, standards-based shed profile design for our composite insulator range, and the development of our hybrid insulator technology — a product line we've been refining since 2009.
Every shed profile, calculated against IEC 60815-3
Pollution performance engineering
Every shed profile, calculated against IEC 60815-3
Hybrid insulator development
Morethanadecadeofhybridengineering
Taban Niroo was one of the first manufacturers to design and manufacture hybrid line post and pin-type insulators, in use since 2009. Hybrid insulators combine a porcelain core — delivering the mechanical strength, rigidity, and long-term dimensional stability porcelain is known for — with a silicone rubber housing, delivering the pollution resistance and hydrophobicity that porcelain alone cannot offer.
Why hybrid technology matters
Conventional porcelain insulators are strong but pollution-vulnerable and prone to brittle failure. Standard composite insulators are lightweight and pollution-resistant but can't always match porcelain's mechanical rigidity under bending, torsion, and compression loads. Hybrid insulators are engineered to combine both — without the compromises of either technology alone.
From line post to station post
Our R&D team spent more than a year developing our original hybrid line post and pin insulator design, using electrical field simulation to optimize field distribution and minimize partial discharge risk around end fittings. That work has since been extended to hybrid solid-core station post insulators — engineered for HVAC air-insulated substation applications up to 420 kV, with electrical field analysis confirming safe field distribution at the critical fitting interfaces.
Recognized by national standard
Our hybrid post insulator design has passed the full range of electrical and mechanical type tests required under existing composite and porcelain post standards, along with long-term natural ageing and pollution performance testing. In Iran, hybrid insulator technology is recognized under a national standard developed by researchers at the Niroo Research Institute (NRI) — the same technical foundation reflected in the international IEC/TS 62896 standard specifically developed for hybrid insulators.
Several of our hybrid post insulator installations are in service at 420 kV AC substations across a range of environmental conditions, and continue to perform reliably without the need for regular washing — a direct result of the pollution-resistant silicone housing combined with a mechanically robust porcelain core.
In short, our hybrid insulators offer
- High & reliable mechanical strength
- Protected creepage distance
- Suitability for heavy pollution and dust environments
- No need for regular washing
- Long service life
- Lighter weight than conventional ceramic insulators at equivalent creepage distance
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Hybrid Insulators (سیلیکون × چینی)، Creepage Extenders & Covers (بازسازی در مناطق آلوده)، Hybrid Transformer Bushings (ترانسفورماتورهای MV–HV).
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Creepage Extenders & Covers
بازسازی در مناطق آلوده
چترکهای سیلیکونی قابل نصب در میدان که فاصلهٔ خزشی مقرههای چینی یا شیشهای موجود را افزایش میدهند و ریسک فلشاُور در پستهای آلوده را کم میکنند.
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Hybrid Transformer Bushings
ترانسفورماتورهای MV–HV
بوشینگ ترانسفورماتور با محفظهٔ پلیمری و سیستم چترک سیلیکونی، طراحیشده توسط تابان نیرو برای ترانسفورماتورهای فشار متوسط و فشار قوی.
Articles & field notes
R&D notes
Technical articles on composite insulation, IEC testing, and field performance will appear here. Meanwhile, explore the product catalogue or send a project enquiry.