H4-SV12A ical Drives MD Sale of Siemens Gusstechnik GmbH Helical gear reducers H4

Flender/Flender Gear Units/Helical gear reducers H4

failure. - Mechanical stop shall be provided to prevent overrunning beyond 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 6 of 2 extreme tap positions. An electrical interlock through limit sw itches shall also be provided to cut off po wer for electrical operation. - reverse tap change signal during an operation shall be ignore till the mechanisms comes to rest and resets the circuit for fresh ope ration. - Emergency stopping provision shall be provided both at the loca and remote control panels. - An indication tap change in progress shall be available at th remote control panel. - Power and control circuit of motor shall be inter-locked. - If control is set to automatic, it shall not be possible to perate the OLTC by manual electric or hand operating gear. . Local OLTC Control Cabinet - Dust vermin and weather proof out door type with lockable door. - Shall house the drive motor for OLTC, starter, local control eq uipment, indicators for tap position, counters, etc. . List of accessories for OLTC. - Operation counter - Local tap position indicator - Conservator - Dehydrating breather - Drain plug and oil filling plug - Local OLTC control cubicle Technical requirement of HT transformer 1. Rated capacity(tentative) : 1 MVA (Minimum) 2. Cooling : ONAN 3. Voltage LV/HV : 3kV/6.9 kV 1 of 1 INDRADHANUSH GAS GRID LIMITED TECHNICAL SPECIFICATION FOR NATURAL GAS COMPRESSOR STATION FOR NORTH EAST GAS GRID PIPELINE PROJECT _________________________________________________________________________________