Product application: all optical fiber transformer, electronic transformer and other high voltage electrical products for smart grid, play the role of insulation and signal transmission.
Product structure: it is mainly composed of embedded transmission optical fiber, epoxy glass pipe, high temperature liquid silicone rubber (LSR) umbrella skirt and metal flange.
Product features:
1.It is made of non brittle materials with excellent explosion-proof performance, which can ensure the safety of equipment and personnel;
2.High temperature liquid silicone rubber umbrella has good hydrophobicity, can effectively prevent pollution flash, rain flash.Product maintenance free;
3.It has excellent resistance to electric leakage (4.5kv) and corrosion;
4.The inner layer of the glass fiber reinforced plastic cylinder is provided with an isolation belt to prevent SF6 gas decomposition, which effectively improves the service performance of the product;
5.Embedded optical fiber can realize the transmission of digital signal with very low loss;
6.Light weight, good seismic performance, convenient transportation and installation;
7.The product has long service life, stable and reliable quality and short delivery period.
35kV-1200kV AC Embedded optical fiber composite hollow insulator
|
Type
|
35
|
66
|
110
|
220
|
330
|
400
|
500
|
750
|
1100
|
1200
|
|
Rated highest voltage (kV)
|
40.5
|
72
|
126
|
252
|
363
|
440
|
550
|
800
|
1100
|
1200
|
|
Wet power frequency short-time withstand voltage （kV）
|
95
|
200
|
230
|
460
|
510
|
680
|
740
|
960
|
1200
|
1300
|
|
Wet switching impulse withstand voltage (kV)
|
/
|
/
|
/
|
/
|
950
|
1150
|
1234
|
1550
|
1800
|
2000
|
|
Full-wave lightning impulse withstand voltage (kV)
|
200
|
350
|
550
|
1050
|
1175
|
1550
|
1675
|
2100
|
2800
|
2800
|
|
Creepage distance (mm)
|
1260
|
2232
|
3906
|
7812
|
10845
|
13195
|
17050
|
26000
|
34100
|
37600
|
|
Dielectric dissipation factor
tgδ
|
＜0.005
|
＜0.005
|
＜0.005
|
＜0.005
|
＜0.005
|
＜0.005
|
＜0.005
|
＜0.005
|
＜0.005
|
＜0.005
|
|
Partial discharge (pC)
|
＜5
|
＜5
|
＜5
|
＜5
|
＜5
|
＜5
|
＜5
|
＜5
|
＜5
|
＜5
|
|
Anti-seismic strength
|
9
|
9
|
9
|
9
|
9
|
9
|
9
|
9
|
9
|
9
|
±400kV-±1100kV DC Embedded optical fiber composite hollow insulator
|
Type
|
±400
|
±500
|
±600
|
±800
|
±1100
|
|
Rated highest voltage (kV)
|
412
|
515
|
680
|
824
|
1100
|
|
Wet power frequency short-time withstand voltage （kV）
|
570
|
680
|
750
|
1224
|
1300
|
|
DC withstand voltage (60 min)
|
680
|
780
|
1020
|
1224
|
1700
|
|
Wet switching impulse withstand voltage (kV)
|
1175
|
1380
|
1800
|
1800
|
2150
|
|
Full-wave lightning impulse withstand voltage (kV)
|
1234
|
1450
|
1950
|
2400
|
2750
|
|
Partial discharge (pC)
|
＜5
|
＜5
|
＜5
|
＜5
|
＜5
|
|
Creepage distance (mm)
|
20600
|
24720
|
34000
|
43200
|
62720
|
*All products can be designed and produced according to client’s demands.
Product application:
After the successful development of embedded optical fiber composite hollow insulator in 2007 and the ± 660kV embedded optical fiber composite hollow insulator provided to snivent in 2008, it has been running well in Ningdong line. It has provided a series of products for related enterprises at home and abroad.
