| 摘要 |
The invention relates to gas transportation area, in particular to determination of real specific characteristics of centrifugal superchargers (CS) of gas transportation units on compressor stations of main pipelines. In the method for determination of real characteristics of stock of centrifugal superchargers of gas transportation system through sequential series of periodic measurement of parameters of CS with use of statistic processing and filtration of results of calculation, selection of most probable generalized normalized defect on basis of criterion of minimum of root-mean-square deflection of generalized normalized defect from its predicted value, at interaction with known indications, in particular with measurement of pressure and temperature of gas at inlet and after each supercharger and measurement of number of revolutions of shaft of each supercharges and density of compressed gas. Technical result of the invention is in increase of accuracy and reliability of determination of real characteristics of CS stock of gas transportation system with decrease of effect of random components of errors of channels of measurement of CS parameters on results of measurements, decrease of error of calculation of volumetric capacity, account of type and value of generalized defect of flow-though part of CS. |
