TH19432B - Device and control methods of gas turbine generators - Google Patents

Abstract

DC60 Gas Turbine Generator Control Method It consists of the following steps. Determining the relationship between the elapsed time After the predefined reference time (Eg optimum ignition time) in a predetermined process (eg starting process) and the rotational speed of the turbine shaft. According to the first function (7); Determination of the relationship between the rotational speed of the turbine shaft. And the fuel flow rate at Will be fed to the combustion machine (4) according to the second function (10); Measuring the speed of rotation at Real turbine shaft At the elapsed time; Turbine shaft rotation By a starting device (6) for driving the turbine shaft In such a way that the true speed of rotation measured Will be speed In the rotation corresponding to the elapsed time set According to the first function; And accepting rates The fuel flow corresponding to the true rotational speed. According to the second function, to feed the received fuel flow rate to the combustion machine (4) gas turbine generator control method It consists of the following steps; Determining the relationship between the elapsed time After the predefined reference time (Eg optimum ignition time) in a predetermined process (eg starting process) and the rotational speed of the turbine shaft. According to the first function (7); Determination of the relationship between the rotational speed of the turbine shaft. And the fuel flow rate at Will be fed to the combustion machine (4) according to the second function (10); Measuring the speed of rotation at Real turbine shaft At the elapsed time; Turbine shaft rotation By a starting device (6) for driving the turbine shaft In such a way that the true speed of rotation measured Will be speed In the rotation corresponding to the elapsed time set According to the first function; And accepting rates The fuel flow corresponding to the true rotational speed. According to the second function, to feed the received fuel flow to the combustion machine (4):

Claims (5)

1. Control method Gas turbine generator Which consists of the following steps Determining the relationship between the elapsed time After a predetermined reference time in a preset process for starting or stopping the gas turbine generator and the rotational speed of the turbine shaft as function one. Determination of the relationship between the rotational speed of the turbine shaft in a process that Predetermined And the fuel flow rate to be fed to the combustion machine as the second function Measuring the true rotational speed of a turbine shaft over time Feed to the combustion machine at the fuel flow corresponding to the speed of True rotation according to the second function and turbine shaft rotation. By the starting device for driving the turbine shaft in such a way that the speed in The true rotation measured becomes the rotational speed corresponding to the elapsed time. The equipment for gas turbine generator control is defined according to the first function. Starter is a stationary starting device. For directly connected power generators With a gas turbine as a motor 3. How to control a gas turbine generator as stated in claim 1, which the device for Start as a propulsion motor. 4. Gas turbine generator control methods as stated in claim 1, where the process Predetermined Is a kind of starting process that the rotational speed of the engine shaft The turbine will reach a predetermined rotation speed after the gas turbine has been ignited. 5. The gas turbine generator control methods are described in claim 4, whose reference time at 6. How to control gas turbine generators as stated in claim 1? Predetermined It is a process of stopping and disengaging of the turbine shaft. Which was executed After the generator has been disengaged from the external power system in operation Stopping of the gas turbine 7. How to control the gas turbine generator as stated in claim 6, where the reference time at 8. The gas turbine control method is indicated in claim 1, where the second function determines the relationship between the speed of The rotation of the turbine shaft and the fuel flow rate is fed to the combustion machine in such a way that the range changes. Of the gas turbine inlet temperature or the rate change relative to the time of the temperature The gas turbine inlet will fall within the permissible range, and function one determines the relationship between the elapsed time. And the speed of rotation Of the turbine shaft in such a way that the gas turbine outlet temperature is regulated to Predetermined By entering the amount of air required to burn the fuel corresponding to The flow rate received to the combustion apparatus 9. The gas turbine generator control method is stated in claim 1, where the equipment for The starter drives the turbine shaft in such a way that The difference between the measured true rotational speed and the rotational speed of the turbine shaft corresponding to the elapsed time, determined by the function one, is adjusted to zero 1 0. The control device for Control gas turbine generator In which there is a gas turbine, a power generator And gas compressor Which will be sandwiched together through a single shaft The control device contains a data section for determining the relationship between the elapsed time after the reference time. Predetermined In a predetermined process For starting or stopping the engine Gas turbine generator And the speed of rotation of the turbine shaft According to the first function and for The relationship between the rotational speed of the turbine shaft remains determined. In a predetermined process and the fuel flow rate is fed to the combustion machine according to the second function. Rotational speed meter for measuring the true rotational speed of a turbine shaft at Elapsed time A starter device for propelling the turbine shaft in such a way that the rotational speed of The turbine shaft is the rotational speed corresponding to the elapsed time defined by function one and the fuel feed mechanism for feeding the fuel flow corresponding to the speed in The actual rotation of the turbine shaft follows the second function. To the combustion machine 1 1.Control equipment for controlling gas turbine generators. As stated in claim 10, the starter device is a stationary starter device. For using the generator Power that is directly connected to the gas turbine as motor 1. 2.Control equipment for controlling gas turbine generators As stated in claim 10, a stationary starting device controls the rotational speed of the turbine shaft by feeding a variable frequency current to the generator to generate torque in the form of motor 1. 3.Control equipment for controlling gas turbine generators As stated in claim 10, in which the starting device is a driving motor 1 4.Control equipment for controlling gas turbine generators As stated in claim 10, a gas turbine generator will include a number of turbine shafts, each of which is received by Gas turbine splicing, power generators And gas compressor Through a single shaft Stationary starting device using the same capacity as a cheap generator Direct connection to a gas turbine is provided for each shaft of several turbine shafts. Where at least two stationary starters of the same capacity and at Are provided for each shaft that can be coupled to a single shaft in Hybrids 1. 5.control equipment for controlling gas turbine generators As stated in claim 10, gas turbine generators are constructed by a number of turbine shafts, each of which is Received by splicing gas turbines, power generators And a gas compressor through a single shaft stationary starting device using the same capacity as a cheap electric generator Direct connection to the gas turbine is provided for each shaft of several turbine shafts and at least two stationary starting devices of the same capacity and rated. Each shaft can be cascaded through a disconnection switch.