TURBINE. Nitrogen Oxides (NOx) Gas Fired, 3 MWth to <15MWth, Electric generation Yearly 42 ppm ppm Nitrogen Oxides (NOx) Gas Fired, 3 MWth to <15MWth, Mechanical drive Yearly 100 ppm ppm
TURBINE. Turbine" means the entire structure that produces electricity. Each Turbine consists of a tower structure anchored to a foundation, a three bladed rotor, and a nacelle (the housing for the generator and other machinery), all of which are described in further detail in Exhibit A.
TURBINE. Each of the two OEC turbines consist of a single casing, multi-stage axial unit. The turbine is directly coupled to the end of the generator shaft. No speed-reducing gearbox is required because the properties of the organic fluids produce favorable aerodynamic matching at relatively low blade and rotational speeds. A double, mechanical shaft seal is used to prevent leakage of the working fluid into the atmosphere or lube oil.
TURBINE. (1) Type
TURBINE. 2.4.1 General EPC Schedule A (A-24) 09 October 2003 Ormat standard turbines are to be provided. The turbine units proposed are not a prototype.
TURBINE. Five (5) consecutive calibration tests shall be performed to establish the meter correction factor applicable for turbine meters. Each calibration test shall consist of the total pulses obtained from a proof run. The determined meter correction factor thus obtained shall be applied to the Daily registered meter reading. The average of the five (5) calibration tests shall be taken as the meter correction factor for the meter if the five (5) calibration tests are within 0.05% of each other. The meter correction factor shall be established at flowing conditions in accordance with API MPMS, Chapter 4. The meter proving data shall be delivered to DLMT on a meter proving report. A turbine meter element shall not be removed from service for maintenance without first proving such meter. The meter correction factor so determined shall be used in accordance with Paragraph 8(A), of this Exhibit, FACTOR DEVIATION.
TURBINE. One (1) 3,600 RPM reheat, double flow, 40 inch last stage bucket, steam turbine designed for nominal inlet throttle steam conditions of 1846 psig, 1050(Degree)F, with 1050(Degree)F reheat temperature, exhausting to 3.56" HgA, will include: o Forged steel rotor with integral wheel geometry - Mechanically attached, aerodynamic impulse type buckets - Shroud bands at bucket tips - Integral thrust runner and generator coupling - Designed for thermal cyclic operation o Cast alloy steel casing construction - Casings split and machine ground at horizontal centerline (for easier maintenance) o Fabricated steel exhaust casing o Centerline supported diaphragms - Welded steel construction - Split and keyed at horizontal joint - Contains high performance nozzle profiles - Support of spring-backed interstage shaft packing - Contains radial spill strips (as required) - Contains moisture removal devices in high moisture regions (ears, dams and orifices) o Cast babbitt-on-steel journal bearing design - Repxxxxxxxe without removing turbine casing upper half - Bently-Nevada(R) probe assemblies for X+Y vibration monitoring o Front standard containing - Pivoted shoe thrust bearing - Three axial position probes for thrust position monitoring - Tilt pad journal bearing design with Bently-Nevada(R) X+Y vibration probes - Speed pick-ups o Combined GE inlet stop and control valves - Integral wire mesh strainers - Hard stem valve packing - Hydraulic actuator assemblies (including power cylinder, servo valve and feedback transducers) - Stop valve hydraulic line flushing valve - On-line test of valve stem freedom - Valve supports - Located off chest - Air operated before and after seat drain valves - Blowdown cover/gasket, acid wash cover and seat blanking assembly o GE reheat valves - Integral wire mesh strainers - Hard stem valve packing - Hydraulic actuator assemblies (including power cylinder, servo valve and feedback transducers) - Stop valve hydraulic line flushing valve - On-line test of valve stem freedom - Valve supports o Admission valves - High performance butterfly type - Hydraulic actuator assembly including power cylinder, servovalve and feedback transducers o Exhaust casing blowout diaphragm, with one spare o Lagging - Specifications for thermal lagging and piping insulation - Appearance lagging/enclosure for HP/IP casing (outdoor installation) - Thermal lagging to maintain a maximum surface temperature of 140(Degree)F at the 69(Degree)F ambient day - Acoustic treatment...
TURBINE. The turbine will be removed and inspected. The inlet guide vane actuator will be stroked/tested. The turbine piping will be inspected with a borescope to determine the extent of water and/or oil contamination. The blower loading valves will be checked for operability. Blower pipe couplings will be inspected. The lube oil reservoir will be inspected internally, including any oil in the reservoir. Depending on the condition of the oil and reservoir, the lube oil pump will be inspected and, if possible, run to determine its condition. If the oil and reservoir are unsuitable for circulation, draining of the oil and further disassembly of piping, valves, pump, etc. on the lube oil skid may be necessary. The lube oil cooler will be disassembled for inspection and leak checking. Turbo expander silencer needs to be inspected.
