H3-SV27-B flender n eupex couplings Helical gear reducer H3

Flender/Flender Gear Units/Helical gear reducer H3

ciation Schemes and Annunciators Minimum 6 window annunciator shall be provided for outgoing feeders and 1 window annunciator shall be provi ded for all incomers and busco upler. Annunciation signaling (as applicab le) on individual panels shall be provided: ) All transformer warnin / signaling conditions ii) All feeder protection faults iii) Control supply failure iv) PT fuse failure / MCB tripping 1 of 1 INDRADHANUSH GAS GRID LIMITED TECHNICAL SPECIFICATION FOR NATURAL GAS COMPRESSOR STATION FOR NORTH EAST GAS GRID PIPELINE PROJECT ______________________________________________________________________________________________ TS NO.: MEC//2UU/0/2/0 Electrical system Chapter-0.0 2, MECON Limited, All Right Reserved Pag 1 of 2 ) Bus-coupler failed to close on auto-changeover vi) Any other signal as decided during detailed engineering Annunciator shall be of microprocessor based facia window type, programmable and suitable for NO/NC poten tial free contacts. Two different audio signals for trip and alarm. Test, accept and reset facilities (with push button) shall be rovided for each Annunciator. 2% spare fascias shall be provided subject to minimum 2 windows. Spare annunciation points shall be wir ed upto terminal blocks. Clustered LEDs with high light intensity shall be used in the Annunciator window. All trip signal facia shall have red color and non trip signal white color. The cover plate of facia hall be flush with panel. It shall be capable to rece ive simultaneous signals. It shall be capable to receiv signal during testing mode. signals due to influence of xternal electromagnetic / electrostatic interference on the annunciatio wiring and switching disturbances from nei ghboring circuits within panels does not affect the annunciation system. Sequence shall be as follows Description Visu