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Alaoji NIPP, seven others down from low gas pressure

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Alaoji National Integrated Power Plant (NIPP) Gas Turbine 1, 2, and 4 suffered load trip due to low gas pressure. The Power Generation Report by the Ministry of Power, Works and Housing, which showed this, revealed that at least other seven out of the 27 power plants in Nigeria suffered the same fate. They were shut down on April 9 due to gas, line and frequency management constraints, the report sighted by New Telegraph at the weekend showed.

The Trans Amadi Gas Turbine (GT) 1 and 2 were out due to line constraints while GT 3 was due to a fault. GT 4 tripped on generator differential lockout. Also, ASCO Power plant GT1 was shut down due to leakage in the furnace, while Ihovbor Nigerian National Integrated Power Project (NIPP) GT 1 was out due to gas constraint. GT2 was also out due to a malfunctioning gas regulating valve. While Alaoji NIPP Gas Turbine 1, 2, and 4 tripped due to low gas pressure, GT3 was shut down due to generator air inlet filter trouble.

Afam IV and V Gas Power Plant GT13-16 were out on blade failure. GT17 tripped on loss of excitation. GT18 was out on inspection and maintenance, while GT19 and 20 are awaiting major overhaul. Sapele Steam’s ST1 tripped on low drum level, ST2 was shut down for maintenance, ST3 was out on stator winding problem, ST4 and 5 are awaiting major overhaul while ST6 tripped on gas control valve not following reference point.

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