H3-KH25-B flender kupplungen Helical speed reduction gearbox H3

Flender/Flender Gear Units/Helical speed reduction gearbox H3

Electrical system Chapter-0.0 2, MECON Limited, All Right Reserved Pag 2 of 2 3. In case of concealed wiring for light fittings & sockets 5A rat ing, single core, FRLS, PVC insulated, stranded copper conductor wire of si ze 2.5 sqmm in GI conduit shall be used. For utility sockets of rating 1A, AC point wiring, light point Switch boards, minimum cable size sha ll be 4sq.mm copper in MS conduit shall be used for concealed wiring. 1.1.0 Cables for Automation System 1. All Cables connecting /Os from field to PLC or remote / pan el shall be of stranded copper conductor of type YRY as per IS: 1 and of size minimum 1.5 sq.mm. 2. Communication bus/cables, FO communication cables shall be laid in GI pipe. Separate GI pipe shall be used for each communication bus /cable & FO cable. The route for redundant communication bus/cables, FO communication cable shall be different. 1.1.0 HT Power Factor Compensation System 6.6 kVHT Power Factor Compensation system final rating shall be designed after finalization of all HT /LT loads. Total 6.6 kV HT Power factor Compensation System (MVAR/kVAR) shall be designed considering the following philosophy. In 6.6 kV total Power Factor Compensation system shall be spl itted in Two equal size for Section- 1 & section-2 . For Example Tota Compensation System 1 kVAR hen it shall be splitted 8 kV AR in Section-1 & Section-2 of Switchboard. 1.1 For PLC interfacing Required control, metering and indications required from HT Sw itchboard & LT Switchboard shall be done throu gh Software or hard wired. Adequate numbers of CT- PT outputs and potential free contacts including aux. relays and aux. CTs shall be prov ided for this purpose. Total running hours for all the HT motors shall be made availab le in PLC. Local/remote section shall be realized in PLC for all the HT motors and big critical LT motors. The Philosophy shall be