| Customization: | Available |
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| Usage: | Electronic |
| Material: | Plastic |
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General
Bay-O-Net Assembly is the brief element of oil-transformer, to protect the equipment when over-current. When install the fuse wire in it, the Bay-O-Net will provide the safe,highly efficient protection, according to the current,oil-temperature. The Bay-O-Net Assembly is suitable for current sensing fuse wire, dual sensing fuse wire, dual element fuse wire, and ELSP current-limiting backup fuse, etc. It is suitable for high-voltage power system with alternating current of 50Hz, standard voltage of 25 kV/40.5 kV, current rating of 140A. It must be combining with MagnX Interrupter of ELSP Current-Limiting Backup Fuse to protect transformer from overload and short circuit.
WARNING: Bay-O-Net Fuse is not recommended for fault closing. Serious personal injury may result if attempted. Internal fault conditions can cause transformer to rupture or cover to blow off. Always energize transformer from remote location to be safe.This device was designed and intended for under-oil applic ation only.
Installation
Step.1 Make a mounting hole on the high voltage side of transformer. The diameter of center hole is Ф62mm.Horizontal side to the hole,keep 2 R4 semicircle.(See figure 1) Pull out the fuse core, unscrewing the nut. Extend the fuse holder to the inside wall. Make the two sides of thread R4.5 semicircle to R4 semicircle which on the wall. Screw M58 nut from outside of wall.Tightening it by wrench.(See figure 2) The torque for installation of screw nuts about 14N.m.
Replace Fuse link
Step 1.It is recommended that the transformer be de -energized from a remote location.This is especially true when the transformer is located in a vault,room or in a position requiring the operator to operate the Bay-O-Net while standing directly over the transformer. If the transformer has a pressure relief valve,use a hotstick to relieve the tank pressure.
Step2. Standing in a safe position,use hotstick to unscrew sealing cap from apparatus.Clamp exposed fuse holder eye with a hotstick and quickly withdraw fuse holder 250-300mm. Wait several seconds for fluid to drain into tank.
Step3.Remove fuse holder from Bay-O-Net housing and wipe off fuse cartridge holder and fuse cartridge using a clean cloth. Replace sealing cap using a hotstick,standing at a safe distance from the apparatus.
Step4. Use a 19mm wrench to remove fuse cartridge from fuse cartridge holder. Use 19mm and 13mm wrenches to remove end plug. Use screwdriver or other tools to straighten the tulip tip end of fuse link and push fuses link out of fuse cartridge. Insert replacement fuse link into fuse cartridge. Check fluid level. Pull pressure relief valve,keeping it held open until audible pressure evacuation stops and then hold open for another 5 seconds.Attach end of fuse holder assembly to hotstick and insert holder assembly firmly into the Bay-O-Net housing. Twist the locking handle so that the latch engages the Bay-O-Net housing's shoulder and the steel washer seats tightly on the end of the tube of the Bay-O-Net holder assembly
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