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17 stages single shaft axial compressor 1.1.4

10 can-type combustors and ignitor, flame detector etc. 1.1.5

3 stages axial turbine There are borescope inspection holes on the casings for mainte- nance. There is anti-corrosion coating on first stage bucket. 1.1.6 1.1.7 1.1.8 Exhaust plenum and ducting Turbine supports Load coupling 1.2 Accessory equipment 1.2.1 1.2.2 Multi-shaft accessory gear and over-speed bolts Auxiliary coupling 1.2.3 1.2.4 1.2.5 1.2.6 1.2.7 1.2.8 1.2.9 1.2.10 1.2.11 Lube oil system Main lube oil pump, accessory lube oil pump and emergency pump, duplex filters, duplex oil coolers, safety valves, pressure regulating valves, oil level indicators, oil heaters, temperature switches, pressure switches and piping. Cooling and sealing system Two cooler fans of turbine, two bleeding valves of compressor and solenoid valves, limit switches, pneumatic isolating valve, orifice and piping. Hydraulic oil system Main hydraulic oil pump, accessory hydraulic oil pump, safety valves, change-over duplex filter and valves, manifold, pressure switches and piping. Trip oil system Emergency trip oil device, pressure switches, fuel oil stop valve, orifice and piping. Cooling water system Temperature control valve of lube oil manifold, orifice and piping. Starting means SMD, hydraulic torque converter, starting clutch, control solenoid valves, safety valves, pressure switches. Hydraulic turning gear system Turning gear device, oil pump ( DC ), control unit, servo-operated cylinder of clutch, oil filter, safety valves, limit switches and piping. Fuel oil system Fuel oil pump, fuel oil stop valve, fuel oil filter, flow divider, by-pass control valve, by-pass servo-valve, starting-failure draining valve, check valve, pressure measuring transfer valve, pressure switch, limit switch and piping. Atomizing air system Main atomizing air compressor, starting atomizing air compressor, atomizing air pre-cooler, solenoid valve, check valve, safety valve, temperature switch, pressure switch and piping. 1.2.13 Ventilation in enclosure Ventilation fans 1.2.14 IGV system IGV actuating device, IGV servo-unit, hydraulic control modules, accumulator, transmitter for travel, solenoid valve and piping 1.2.15 Measuring system including protection system for over-speed, over-temperature, vibration, flame-off, lube oil pressure, lube oil temperature and measuring elements and local instrumentation such as speed sensor, various thermocouples, vibration sensor, flame detectors, pressure switches, temperature switches. 1.2.16 Lighting system ( AC, DC ) in gas turbine enclosure 1.2.17 Ductwork for internal wiring of system 1.2.18 Water washing system for compressor 1.2.19 CO

2 fire-fighting system and flame detection system 1.3 1.4 1.5 2. Gas turbine base The gas turbine and accessories are mounted on the same base. The lube oil tank and 1#, 2# junction boxes are also mounted on it. Enclosure With ventilation, lighting and fire-fighting devices, the enclosure contain the GT compartment and accessory compartment. Walk-way on the unit Walk-way grid, railing, staircase etc. Control Compartment The main control panel of the gas turbine generating set are contained in the cabinet. It is air-conditioned and well illuminated. The cabinet is set on its own base and enclosure. 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 3. 4. 4.1 4.2 4.3 4.4 4.5 4.6 4.7 ........