Good Quality Transformer Bushing Insulator Pin Porcelain Insulator

Good Quality Transformer Bushing Insulator Pin Porcelain Insulator image

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Basic Info.

Model NO.

Pin insulator, ANSI

Voltage

11kV

Delivery

30days

Label

NJREC or OEM

Code

85469010

Transport Package

Carton/Wooden Pallet

Origin

China

HS Code

85462090

Production Capacity

10000/Year

Product Description

Pin Type Porcelain Insulator
ANSI Class		55-5
Dimensions
Diameter	mm	178
Height	mm	124
Creepage distance	mm	305
Dry arcing distance	mm	159
Minimum pin height	mm	152
Mechanical Values
Cantilever strength	kn	13.6
Electrical Values
Type application voltage	kv	15
Low frequency dry flashover voltage	kv	80
Low frequency wet flashover voltage	kv	45
Critical impulse flashover voltage,positive	kv	130
Critical impulse flashover voltage,negative	kv	150
Low frequency puncture voltage	kv	115
Radio influence Voltage Data
Test voltage RMS to ground	kv	10
Maximum RIV at 1000kHz	μv	50
Net weight,approximate	kg	6.4

Pin insulator consists of insulation parts and steel feet. It is a kind of rigid insulator that uses steel feet fixed inside the insulator to install the insulation parts rigidly on the supporting structure.

Type and usages of porcelain bushing insulator

1. ordinary porcelain bushing insulators: used in general transformer or reactor, can be used in the low voltage and medium voltage.

2. high-voltage porcelain bushing insulators: used with high-voltage systems connected to the transformer, and can withstand higher pressures.

3. organosilicone porcelain bushing insulators: composed of organosilicone resin and ceramic material, has the advantages of small dielectric constant, low dielectric loss, etc. It is mainly used for supporting the insulation support of high-voltage windings.

Porcelain casing as the core component of the transformer, bear the insulation support and heat dissipation of the dual role, can effectively protect the normal use of the transformer.

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