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Polymeric Surge Arresters




The polymeric surge Arresters for distribution system has been developed by using silicone rubber. The new type of silicon rubber was examined by the accelerated weathering teste and applied to the shed material of the polymeric surge Arrester, The test confirmed that the silicone rubber had and excellent weather resistance and high water repellency during the long term weathering tests, the polymeric surge Arrester with the new type of silicone rubber showed a high performance at the pressure relief tests according IEC60099-4(1991).

Our packers offers wide range of surge Arresters in rated voltage of 9kv – 15kv with discharg4e currents ranging from 5ka & 10ka as per IEC-60099-4.


PRODUCTS DETAILS LINE INSULATORS

LIGHTING ARRESTERS TECHNICAL PARTICULARS OF 9 KV-15KV ZINC OXIDE ARRESTER






S.NO

TECHNICAL DETAIL

9 KV
5 KA

11-15 KV
5 KA

1.

Type

Gapless

Gapless

2.

Material of Housing

Silicon Rubber

Silicon Rubber

3.

Rated Voltage (kV)

9

12

4.

Normal Discharge Current (KA)

5

5

5.

Sectional Length (mm)

195-+1

230.5-+1

.6.

Minimum Creepage Distance (mm)

340-+1mm

340-+1mm

7.

Min. Dry Arching Distance (mm)

170 mm

170 mm (Approx.)

8.

Number of sheets Nos.
Big
Small

 

3
2

 

3
2

9.

Shed Diameter
Big (mm)
Small(mm)

 

99.5+-1
77+-1

 

99.5+-1
77+-1

10.

Residual voltage Test (kV)

8/20  <30kV

8/20  <30kV

11.

Operating Duty test

4/10us at 65kV

4/10us at 65kV

12.

Partial discharge test

1.2 to 1.7 pC

1.2 to 1.7 pC

13.

Reference voltage test

Voltage at 1mA>9kV

Voltage at 1mA>12kV

14.

Applicable standard

IEC-60099-4

IEC-60099-4



SILICONE RUBBER EXTRA HIGH VOLTAGE INSULATORS

STATE-OF- THE - ART SUPERIORITY OF SILICONES

Self- Cleaning Function
 The specially designed polymeric material used in making the housing of these insulators have a self- cleaning properly by recovering the Hydrophobic characteristic due to migration of low molecular weight/ oligomerc PDMS, making it possible to maintain anti - tracking performance over and extended period.

Shatter Resistance
Composite insulators are practically unbreakable,

Hydrophobicity
Surface Hydrophobicity is maintained throughout the lifetime of the insulator, this is very important in polluted environment…

The intrinsic hydrophobic property in combination with very good UV, tracking and erosion resistances of well designed silicone rubber formulations make this kind of rubber superior to all other electrometric and duromeric polymeric housing material, Further on, a phenomenon well known as “Hydrophobicity transfer” to different kinds of pollution layers offer great benefits regarding the electrical insulation capability even under heavy even under heavy pollution conditions,

High Tensille Strength
The composite FRP pultruded rod has a very high mechanical strength; our special crimping technique allows this high strength to be maintained

Light Weight
In a typical comparison, the Composite Insulator weighs 10-35%of a ceramic Insulator; this ensures easy installation, less manpower, low transportation and installation cost.

PRODUCTION FACILITIES

COMPRESSION MOULDING
 Polymeric housing is a single piece, compression molded over FRP rod using a new generation machine with microprocessor based controls. The housing is securely bonded to the FRP core throughout the length of the housing.


CRIMPING
Specialized crimping equipment with microprocessor based control is used to provide uniform and consist product. Crimping is verified through an extensive QA tests.


ROLLER MILL MACHINE
Roller Mill Machine used to soften the silicon Rubber prior moulding it is compression moulding machine.


TESTING FACILITY

HIGH VOLTAGE TEST
Jaipuriya Electricals has an excellent testing facility and its high voltage laboratory can perform Power Frequency Voltage flash over / withstand test for both dry and west conditions as per the specifications.

MECHNICAL TEST
To ensure the product durability and mechanical strength, Shree Balaji Packers has a specially designed Universal Testing Machine of 600 kN (60 Ton) capacity with tensile clearance of 1800 mm and computer interface All the insulators can be tested as IEC-61109 and tested for customer’s requirements of mechanical strength.
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