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Trefoil Clamp Cleats
Trefoil Clamp Cleats
Product Code : e5
Brand Name : Electromac
(A), FRP - Tri-Foil Clamps and SINGLE Cable Clamps
F.R.P. - [ Glass Filled Molded ]
Cast Aluminum [ LM-6 ] & Aluminum Strip,
FRP - Motor Covers, Canopy, Fan Covers & Junction Boxes & Cable Trays
- FRP - Power & Control - Junction Box with Canopies & Street Pole Box,
- FRP Transmitter / Instrument box cover Canopy,
- FRP CABLE TRAYS, Gratings & Ladders with Accessories
- Cable Glands [ W/P & FLP ]
- Corten A Grade Steel Plates
The Short Circuit Test Report No: PLV/10/SC/170, of M/s. ERDA, Vadodara, Baroda, Gujarat for TYPE TEST will be provided. For 1 Seconds Peak Value: 105 kA
Tri-Foil Clamps is essential for Single core cable
Tri-Foil Clamps are used for high voltage single core cables where the current rating is high and 3 core cables are not available. The Tri-Foil Clamp are used for laying single core cables in Trefoil touching formation which helps to maintain magnetic symmetry thereby avoiding electro magnetic heating and loss of current. It does nullify the induced magnetic field of high voltage power cable.
The Tri-Foil Clamp are Protection of power and control cable from the lightning discharges and Establishment of easy cable circulation paths.
Voltages are induced in the sheath of cables running in parallel which result in circulating currents flowing in the sheaths. The distances between single core cables running in parallel determine the voltages induced. With single core cables in trefoil formation (touching each other) the distances between the cables are minimum and thus the voltages induced are minimized and hence the circulating currents. The circulating currents cause localized heating.
Tri-Foil Clamps are suitable for supporting Single Core PVC/ HRPVC, XLPE, XLPE Insulated Aluminum, Un- Armoured, Earth And Un Earth Power Cables from 1.1 Kv to 132 KV Grade. 3 Phase A.C. Circuits in trefoil formation in Generation Stations, Sub-Stations, Thermal Power Stations, Switchgear Plants etc. These can be used for indoor or outdoor for vertical or horizontal running cables inside trenches or on racks / galleries.
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