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We are experiencing a MW difference between two GE7FA DLN2.0 technology identical gas turbines:
No. 01 unit MW# 144.40 MW (on base load) temperature control.
No. 02 unit MW# 137.36 (on base load) temperature control.
We are not finding any reason for this. Following are the data for your reference.
It has been observed that from 13:30 hrs onwards (on 12/06/07) difference between GT#01 & GT#02 MW reading increased to 6.5 MW from 3 MW FSR#74.40 (73.18), CSGV#,85.99 (85.99) CSRGV#86 (86), CPD#13.5 (13.61), CTD#409.15 (410.34), AFQ#395.45 (390.75), AFPCS#7.95 (8.07), DWATT#149.31 (142.93), CTIM# 31.24 (30.77), WEXH# 405.13 (407.82), IPDP1# 154.69 (149.34), FQG# 9.63 (9.44), Field current # 996.65 (966.22), Field voltage# 167.08 (162.06), stator current# 4688.16 (4505.73), stator voltage# 18.26 (18.29), CAGV# -2.30 (-2.91)
No. 01 unit MW# 144.40 MW (on base load) temperature control.
No. 02 unit MW# 137.36 (on base load) temperature control.
We are not finding any reason for this. Following are the data for your reference.
It has been observed that from 13:30 hrs onwards (on 12/06/07) difference between GT#01 & GT#02 MW reading increased to 6.5 MW from 3 MW FSR#74.40 (73.18), CSGV#,85.99 (85.99) CSRGV#86 (86), CPD#13.5 (13.61), CTD#409.15 (410.34), AFQ#395.45 (390.75), AFPCS#7.95 (8.07), DWATT#149.31 (142.93), CTIM# 31.24 (30.77), WEXH# 405.13 (407.82), IPDP1# 154.69 (149.34), FQG# 9.63 (9.44), Field current # 996.65 (966.22), Field voltage# 167.08 (162.06), stator current# 4688.16 (4505.73), stator voltage# 18.26 (18.29), CAGV# -2.30 (-2.91)