Electric power generating facility operation remote supporting method and electric power generating facility operation remote supporting system
First Claim
1. A monitoring and diagnosing apparatus of a gas turbine having a plurality of combustors, the monitoring and diagnosing apparatus comprising:
- a combustion monitoring image plane to display thereon a temperature of each of the plurality of combustors;
a trouble judging unit to diagnose presence of abnormality as evaluation of combustion states of the combustors, based on changing trends of fuel-air ratios of the combustors and temperatures of the combustors;
a restoring capability evaluation judging unit, as the evaluation of the combustion states of the combustors, to judge as abnormal, with a deviation in an actually measured value from a planned value of fuel air ratio and any of a compressor air flow rate change, a fuel flow rate change or a fuel command value change departing from an allowable value;
a judging unit to judge whether a result, which is obtained by a control set value tuning supporting function unit for tuning control set values by operating a load changing operation analyzing function including therein an operating characteristic evaluation tool, falls within an allowable range of planned value, when the restoring capability evaluation judging unit, as the evaluation of the combustion states of the combustors, judges as abnormal, with a deviation in an actually measured value from a planned value of fuel-air ratio and any of a compressor air flow rate change, a fuel flow rate change or a fuel command value change departing from an allowable value; and
a sending unit to send to the gas turbine recommended control set values for controlling the combustor that was judged abnormal, when the judging unit judged that the result falls in the allowable range of the planned value.
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Accused Products
Abstract
When an abnormality or a sign of abnormality occurs in an electric power generating facility, an appropriate operating support can be made in a short time. The electric power facility operation remote supporting method in accordance with the present invention is characterized by that an abnormality or a sign of abnormality is judged based on at least one of information on an operating state of the electric power generating facility and information on time-varying characteristics of components in the electric power generating facility, and a service mode is set based on the judged information of the abnormality or the sign of abnormality, preset abnormality corrective data and preset service modes.
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Citations
18 Claims
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1. A monitoring and diagnosing apparatus of a gas turbine having a plurality of combustors, the monitoring and diagnosing apparatus comprising:
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a combustion monitoring image plane to display thereon a temperature of each of the plurality of combustors; a trouble judging unit to diagnose presence of abnormality as evaluation of combustion states of the combustors, based on changing trends of fuel-air ratios of the combustors and temperatures of the combustors; a restoring capability evaluation judging unit, as the evaluation of the combustion states of the combustors, to judge as abnormal, with a deviation in an actually measured value from a planned value of fuel air ratio and any of a compressor air flow rate change, a fuel flow rate change or a fuel command value change departing from an allowable value; a judging unit to judge whether a result, which is obtained by a control set value tuning supporting function unit for tuning control set values by operating a load changing operation analyzing function including therein an operating characteristic evaluation tool, falls within an allowable range of planned value, when the restoring capability evaluation judging unit, as the evaluation of the combustion states of the combustors, judges as abnormal, with a deviation in an actually measured value from a planned value of fuel-air ratio and any of a compressor air flow rate change, a fuel flow rate change or a fuel command value change departing from an allowable value; and a sending unit to send to the gas turbine recommended control set values for controlling the combustor that was judged abnormal, when the judging unit judged that the result falls in the allowable range of the planned value. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A monitoring and diagnosing method for a gas turbine having a plurality of combustors, the method comprising:
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displaying a temperature of each of the plurality of combustors on a combustion monitoring image plane; diagnosing presence of abnormality as evaluation of combustion states of the combustors, based on changing trends of fuel-air ratios of the combustors and temperatures of the combustors; judging whether a result, which is obtained by a control set value tuning supporting function unit for tuning control set values by operating a load changing operation analyzing function including therein an operating characteristic evaluation tool, falls within an allowable range of planned value, when a restoring capability evaluation judging unit, as the evaluation of the combustion states of the combustors, judges as abnormal, with a deviation in an actually measured value from a planned value of fuel-air ratio and any of a compressor air flow rate change, a fuel flow rate change or a fuel command value change departing from an allowable value; and sending to the gas turbine recommended control set values for controlling the combustor that was judged abnormal, when the judging unit judged that the result falls in the allowable range of the planned value. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A monitoring and diagnosing apparatus of a gas turbine having a plurality of combustors, the monitoring and diagnosing apparatus comprising:
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a combustion monitoring image plane to display thereon a temperature of each of the plurality of combustors; a trouble judging unit to diagnose presence of abnormality as evaluation of combustion states of the combustors, based on changing trends of fuel-air ratios of the combustors and temperatures of the combustors; a judging unit to judge whether a result, which is obtained by operating a load changing operation analyzing function including therein an operating characteristic evaluation tool, falls within an allowable range of planned value, when the trouble judging unit, as the evaluation of the combustion states of the combustors, judges as abnormal, with a deviation in an actually measured value from a planned value of fuel-air ratio and any of a compressor air flow rate change, a fuel flow rate change or a fuel command value change departing from an allowable value; and a control set value tuning supporting function unit which uses the operating characteristic evaluation tool to perform tuning of the control set values, when the judging unit judged that the result falls outside the allowable range of the planned value. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification