초록 ▼

A method of analyzing the controlling air pressures of a gas turbine pneumatic fuel system, with the system containing a fuel control device, a power turbine governor, and a gas turbine engine assembly is disclosed. The method may comprise obtaining a first baseline set of pressures from the fuel sy

A method of analyzing the controlling air pressures of a gas turbine pneumatic fuel system, with the system containing a fuel control device, a power turbine governor, and a gas turbine engine assembly is disclosed. The method may comprise obtaining a first baseline set of pressures from the fuel system at an initial start time. This first baseline set of pressures may also be referred to as a “footprint”. Then, a second baseline set of pressures is obtained from the fuel system at a second start time. The operator would thereafter compare the first baseline set of pressures with the second baseline set of pressures. By comparison of the two sets of curves, the fuel system may be analyzed for possible problems, maintenance and service. The step of obtaining a first baseline set of pressures includes generating a curve of the pressure of the governor (Pg) and then generating a curve of the operating pressure between the governor and the fuel control device (Py). The operator may also generate a curve for the pressure of the compressor (Pc). An apparatus for analyzing a gas turbine pneumatic fuel system is also disclosed.

대표청구항 ▼

A method of analyzing a gas turbine pneumatic fuel system, with the system containing a fuel control device, a power turbine governor, and a gas turbine engine assembly, the method comprising the steps of: obtaining a first baseline set of pressures from said fuel system at an initial start time, an

A method of analyzing a gas turbine pneumatic fuel system, with the system containing a fuel control device, a power turbine governor, and a gas turbine engine assembly, the method comprising the steps of: obtaining a first baseline set of pressures from said fuel system at an initial start time, and wherein said step of obtaining a first baseline set of pressures includes generating a curve of the pressure of the governor (Pg); generating a curve of the pressure of the compressor (Pc); and generating a curve of the operating pressure (Py); obtaining a second baseline set of pressure from said fuel system at a second start time; comparing said first baseline set of pressure with said second baseline set of pressures; and, analyzing said first baseline set of pressure with said second baseline set of pressures in order to determine abnormal operation of said fuel system.