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Terminal Connectors - Rigid type, Expansion type, T-Connectors, P G Clamps, Inter Connector, Corona Bell, Welding Sleeve, Rigid Spacers, Flexible Spacers, Elbow Connector, Junction Connector, Support Connector. Terminal Connectors used in sub-stations can be mounted on different equipment like Isolator (Disconnector), Transformer, CT, CVT, BPI, LA, etc.. for different IPS Alu. Tube sizes and conductor configrations (Single/Twin/Triple/Quad/Hexa/Octa). The connectors are tested as per IS: 5561 and Spacers as per IS: 10162 Standards. Clamps and Connectors are made of Aluminium Casting (LM6/LM25 as per BS 1490 or Gr 4600 as per IS: 617) suitable for different voltage ratings upto 1200kV for conductor configuration in Single/Twin/Triple/Quad/Hexa of all conductor / IPS tube sizes and sub-conductor spacings.
- Used in High Voltage Sub-stations.
- Easy to install, light in weight
- Auto locking arrangement on connector body.
- Withstands severe operational conditions - short circuit loads, wind, snow, corona, RIV, etc
- Hot Dip Galvanized Steel or Stainless-Steel fasteners can be provided as per requirement
- Approved by Power Grid, NTPC and other utilities all over India.
- Connectors & Spacers type tested as per IS: 5561 / IS: 10162 Standards
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Specifications
Si. No. |
Clamps & Connectors |
Type |
Application |
|
---|---|---|---|---|
Main Side |
Tap Side |
|||
1 |
Terminal Connector |
Rigid / Expansion |
Equipment Pad / Equipment Stud / |
Conductor / IPS Alu. Tube |
2 |
T Connector |
Rigid |
Conductor / IPS Alu. Tube |
Conductor / IPS Alu. Tube |
3 |
Inter Connector |
Rigid |
Conductor / IPS Alu. Tube |
Conductor / IPS Alu. Tube |
4 |
P G Clamp |
Rigid |
Conductor |
Conductor |
5 |
Spacer |
Rigid / Flexible |
Conductor |
Conductor |
6 |
Elbow Connector |
Adjustable |
IPS Alu. Tube |
IPS Alu. Tube |
7 |
Corona Bell |
Rigid |
IPS Alu. Tube |
IPS Alu. Tube |
8 |
Welding Sleeve |
Rigid |
IPS Alu. Tube |
IPS Alu. Tube |
Technical Information
SL. No. |
Description |
Unit |
Value Guaranteed by the Bidder |
---|---|---|---|
1. |
Voltage Class |
kV |
33 / 66 / 110 / 132 / 220 / 400 / 765 / 800 / 1200 kV |
2. |
Reference standards |
Connectors: IS 5561 |
|
Spacers: IS 10162 |
|||
3. |
Type of Clamps & Connectors |
Bolted Type |
|
Rigid / Flexible / Expansion / Adjustable |
|||
4. |
Material of Spacers |
Alu. Alloy: Gr.4600 as per IS: 617 |
|
5. |
Material of Fasteners |
||
a) |
Bolts, Nuts & Plain Washers |
Hot Dip Galvanized Steel |
|
b) |
Spring Washers |
Electro Galvanized Steel |
|
6. |
Method of casting |
Gravity die casting & Gravity sand casting |
|
7. |
Bi-metallic connection |
2 mm Thk. Cu-Alu. Bi-metallic Sleeves will be provided |
|
8. |
Short time current |
50 kA for 1 Sec (upto 400kV) 63kA for 1 Sec (765kV) |
|
9. |
Temperature rise limit when carrying Normal current |
45ºC rise over 40°C ambient when carrying rated current for Equipment Connectors. Temperature rise on connector equal to or less than that of conductor or bus bar tube when carrying rated current at specified ambient temperature. |
|
10. |
Corona Extinction voltage |
765/800 kV - 508 kV (rms) 400 kV – 320 kV (rms) 220 kV – 156 kV (rms) |
|
11. |
Radio Interference Voltage |
765/800 kV - Less than 2500 µV at 508 kV (rms) 400 kV - Less than 1000 µV at 320 kV (rms) 220 kV - Less than 1000 µV at 156 kV (rms) 132 kV - Less than 500 µV at 92 kV (rms) |
|
12. |
Packing details |
Standard Wooden Box Packing |
Certifications

CPRI
More info available on request

ERDA
More info available on request

TISCON
More info available on request
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