High Voltage Power Transmission Line 12kv-72.5kv Solid-Core Post Ceramic Insulator

Short Description:

High voltage line rod insulator is used as insulation and supporting conductor in high voltage transmission and distribution line. The product is a non breakdown structure and has the advantages of high mechanical strength, strong insulation performance and good pollution resistance. The insulator has the advantages of safe and reliable operation, simple maintenance, long service life and low line cost.

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Product Detail

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Drawing

ANSI 57-1 LINE POST PORCELAIN ISOLATOR

57-1未标题-1

ANSI 57-2 LINE POST PORCELAIN ISOLATOR

57-2无钢脚投标图-Model

ANSI 57-3 LINE POST PORCELAIN ISOLATOR

57-3S-L投标图-Model

ANSI 57-4 LINE POST PORCELAIN ISOLATOR

57-4S-L(标)投标图-Model

ANSI 57-5 LINE POST PORCELAIN ISOLATOR

44444444444

ANSI 57-11 LINE POST PORCELAIN ISOLATOR

57-11

ANSI 57-12 LINE POST PORCELAIN ISOLATOR

57-12

ANSI 57-21 LINE POST PORCELAIN ISOLATOR

57-21

ANSI 57-22 LINE POST PORCELAIN ISOLATOR

57-22

ANSI 57-23 LINE POST PORCELAIN ISOLATOR

57-23

ANSI 57-25 LINE POST PORCELAIN ISOLATOR

57-25

ANSI 57-14 LINE POST PORCELAIN ISOLATOR

57-14

ANSI 57-13 LINE POST PORCELAIN ISOLATOR

57-13

Parameter table

325

Line post type porcelain insulators
ANSI Class		57-1	57-2	57-3	57-4	57-5
Dimensions
Creepage distance	mm	356	559	737	1015	1145
Dry arcing distance	mm	165	241	311	368	438
Mechanical Values
Cantilever strength	kn	12.5	12.5	12.5	12.5	12.5
Cantilever strength routine test	kn	5	5	5	5	5
Electrical Values
Type application voltage	kv	25	35	45	55	66
Low frequency dry flashover voltage	kv	80	110	125	150	175
Low frequency wet flashover voltage	kv	60	85	100	125	150
Critical impulse flashover voltage,positive	kv	130	180	210	255	290
Critical impulse flashover voltage,negative	kv	155	205	260	340	380
Radio influence Voltage Data
Test voltage RMS to ground	kv	15	22	30	44	44
Maximum RIV at 1000kHz	μv	100	100	200	200	200
Packing and Shipping Data
Net weight,approximate	kg	5.2	9.0	11.0	16.0	18.0

Line post type porcelain insulators
ANSI Class		57-11	57-12	57-13	57-14	57-15
Dimensions
Diameter	mm	102	102	102	102	102
Height	mm	260	324	400	480	543
Creepage distance	mm	356	559	737	1015	1145
Dry arcing distance	mm	165	241	311	368	438
Mechanical Values
Cantilever strength	kn	12.5	12.5	12.5	12.5	12.5
Cantilever strength routine test	kn	22	22	22	22	22
Electrical Values
Type application voltage	kv	25	35	45	55	66
Low frequency dry flashover voltage	kv	80	110	125	150	175
Low frequency wet flashover voltage	kv	60	85	100	125	150
Critical impulse flashover voltage,positive	kv	130	180	210	255	290
Critical impulse flashover voltage,negative	kv	155	205	260	340	380
Radio influence Voltage Data
Test voltage RMS to ground	kv	15	22	30	44	44
Maximum RIV at 1000kHz	μv	100	100	200	200	200
Packing and Shipping Data
Net weight,approximate	kg	6.8	10.0	11.8	16.5	18.6