Entec EVRC2A - Page 4

EVR AUTOMATIC RECLOSER http://www.entecene.co.kr
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ENHANCED TECHNOLOGY
5.2.3. Contact life of vacuum interrupter..........................................................................24
5.2.4. Resistance test on current carrying main circuit.....................................................24
5.2.5. High voltage insulation test....................................................................................24
5.2.6. Operation test .........................................................................................................25
5.2.7. Secondary current injection test ............................................................................. 25
5.3. INSTALLATION...............................................................................................................25
5.3.1-1. Standard pole mounting of recloser tank............................................................. 25
5.3.1-2. Substation mounting frame .................................................................................28
5.3.1-3. Surge Arrester mounting frame...........................................................................29
5.3.2. Control cubicle .......................................................................................................30
5.3.3. Earthing ..................................................................................................................31
5.3.4. High voltage connection.........................................................................................33
5.3.5 Bushing.................................................................................................................... 33
6. RECLOSER OPERATION .......................................................................................... 35
6.1. GENERAL ........................................................................................................................ 35
6.2. OPERATION PROCEDURE............................................................................................ 35
7. MAINTENANCE .......................................................................................................... 36
7.1. GENERAL ........................................................................................................................ 36
7.2. DISMOUNTING OF RECLOSER ...................................................................................36
7.3. CONTACT LIFE OF VACUUM INTERRUPTER...........................................................36
7.4. SF6 GAS REFILLING...................................................................................................... 38
7.4.1. General ...................................................................................................................38
7.4.2. Refilling procedure................................................................................................. 38