H4-KH-24B liary cooling is requiredPG PGC x f or PGC x f PG Helical speed reducers H4

Flender/Flender Gear Units/Helical speed reducers H4

ion of the running breaker failing to trip within preset time, (.. If the two sources remain paralleled for more than preset time). Latest breaker tripping provision will be included in the changeover scheme for prolonged paralleling.. 2.3 Independent Mode Provision for manual independent (dead bus) closing of bus-co upler after an intentional manual trip/ outage due to under voltage of any one incomer will be provided. 2.0 TESTING OF EQUIPMENT For Testing of Equipment Refer Testing Chapter 1 No. VFD Transformer and 1 No. Distribution Transformer feede rs shall be provided as spare feeders in eac section of 6.6kV board. 0.0.0 POWER TRANSFORMERS Design Design shall be generally as per IS 2. Transformer shall be suitable for rated frequency 5 Hz, with variation as specified above . Insulation level shall be designed according to the voltages specified below. The power rating of the transformer is tentative only. Th power rating of the transfor mer shall be calculated consideri ng the future provision given for new com pressor. 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 5 of 2 Nominal system voltage 6.6 kV 3 kV 1. Max. ystem volta ge (kV) : 7.2 3 2. One minute power frequency withstand volta ge (kV) : 2 7 3. Peak impulse test withstand volta ge (kV) : 6 1 Transformers shall be capable of delivering rated current at an applied voltage up to 1% rated voltage without exc eeding the temperature limits specified below. Overload capacity shall be as pe IS 6. Transformers shall be operable at its rated capacity at any voltage within + 1% of rated voltage of the particu