RU2219375C1 - Method to control operation of complex of gas-turbine compressor sets - Google Patents

Method to control operation of complex of gas-turbine compressor sets Download PDF

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Publication number
RU2219375C1
RU2219375C1 RU2002130695A RU2002130695A RU2219375C1 RU 2219375 C1 RU2219375 C1 RU 2219375C1 RU 2002130695 A RU2002130695 A RU 2002130695A RU 2002130695 A RU2002130695 A RU 2002130695A RU 2219375 C1 RU2219375 C1 RU 2219375C1
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Russia
Prior art keywords
compressor
gas
value
pressure
complex
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RU2002130695A
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Russian (ru)
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RU2002130695A (en
Inventor
П.Г. Гордеев
Я.А. Евдокимов
А.Я. Макаров
А.В. Черников
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Закрытое акционерное общество "Научно-производственная фирма "Система-Сервис"
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Priority to RU2002130695A priority Critical patent/RU2219375C1/en
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Abstract

FIELD: gas transportation facilities. SUBSTANCE: to calculated rotational speed assignments, intermediate value is used determined by difference of directly or indirectly measured value of characteristics to be adjusted (pressure at compressor set complex outlet, compression ratio of compressor set complex or flow rate of gas transported through compressor set complex) and preset value of said characteristics using algorithm corresponding to one of known regulation laws. By referring obtained value to number of compressors handling the load, mean required value of rotor speed of each compressor is determined. Then to determine preset speed of shaft of each gas-turbine drive, basing on measured speeds of shafts of gas-turbine drive gas generator, shaft of compressor, temperature of combustion products before gas generator turbine and/or power turbine of compressor gas-turbine drive, pressure behind compressor of gas- turbine drive, gas pressure at compressor inlet and pressure drop across compressor contraction, values of margins to limits of shaft speed, combustion products temperature, pressure in combustion chamber, compressor inlet pressure and distance to compressor surge boundary are determined and obtained value are reduced to one range of values are averaged with due account of directionality of limitations, thus obtaining generalized values of margins to upper and lower limits per each compressor set. Using generalized values of margins and mean required value of compressor rotor speed, required value of compressor rotor speed for each compressor is determined which is transmitted to local automatic control systems of compressor sets as control assignment (action). Use of proposed method increases control range of complex of compressor sets. EFFECT: improved resistance to disturbing actions as to load and change of environmental conditions, increased range of control of compressor set complex. 5 dwg

Description

Текст описания в факсимильном виде (см. графическую часть) Те Description text in facsimile form (see graphic part)

Claims (1)

Способ управления работой комплекса газотурбинных компрессорных агрегатов, заключающийся в том, что измеряется давление газа на входе и выходе компрессоров, частота вращения роторов нагнетателей, значение регулируемого параметра газа комплекса агрегатов (давления, степени сжатия или расхода), которое сравнивается с заданной величиной регулируемого параметра, и формируются управляющие воздействия на системы подачи топлива приводных двигателей компрессорных агрегатов, входящих в состав комплекса агрегатов, отличающийся тем, что по разности измеренного прямым или косвенным образом значению регулируемой величины (давления на выходе комплекса компрессорных агрегатов, степени сжатия комплекса компрессорных агрегатов или расхода транспортируемого газа через комплекс компрессорных агрегатов) с заданным значением этой величины определяют величину, посредством отнесения которой к количеству работающих на нагрузку компрессоров получают среднее значение требуемой частоты вращения ротора компрессора каждого компрессорного агрегата, после чего для каждого компрессорного агрегата по измеренным частотам вращения валов газогенератора газотурбинного привода, вала компрессора, температуре продуктов сгорания перед турбиной газогенератора и/или силовой турбиной газотурбинного привода компрессора, давлению за компрессором газотурбинного привода, давлению газа на входе компрессора и перепаду давлений на конфузоре компрессора определяют величины запасов до ограничений по частотам вращения валов, температуре продуктов сгорания, давлению в камере сгорания, давлению на входе компрессора и расстоянию до границы помпажа компрессора, полученные величины приводят к одному диапазону значений при помощи нормирующих коэффициентов, по нормированным величинам получают обобщенные значения запасов до верхних и нижних ограничений по каждому компрессорному агрегату и по обобщенным значениям запасов и среднему требуемому значению частоты вращения ротора компрессора определяют требуемое значение частоты вращения ротора для каждого компрессора, которое подают в локальные САУ компрессорных агрегатов в качестве управляющего задания (воздействия).A method of controlling the operation of a complex of gas turbine compressor units, which consists in measuring the gas pressure at the inlet and outlet of the compressors, the rotor speed of the superchargers, the value of the adjustable parameter of the gas of the complex of units (pressure, compression ratio or flow rate), which is compared with a predetermined value of the adjustable parameter, and control actions are formed on the fuel supply systems of the drive engines of the compressor units included in the complex of units, characterized in that by the value of the measured value, directly or indirectly, of the value of the controlled variable (pressure at the output of the compressor unit complex, the degree of compression of the compressor unit complex or the flow rate of the transported gas through the compressor unit complex) with a given value of this value, the value is determined by assigning it to the number of compressors operating on the load the value of the required rotor speed of the compressor rotor of each compressor unit, after which for each compressor of the unit according to the measured rotation frequencies of the gas generator shaft of the gas turbine drive, the compressor shaft, the temperature of the combustion products in front of the gas generator turbine and / or the power turbine of the gas turbine drive of the compressor, the pressure behind the compressor of the gas turbine drive, the gas pressure at the compressor inlet and the pressure drop across the compressor confuser determine the stock values up to restrictions on shaft speeds, temperature of combustion products, pressure in the combustion chamber, pressure at the inlet of the compressor and distance to g compressor surges, the obtained values lead to the same range of values using standardizing coefficients, from the normalized values they obtain generalized reserve values to upper and lower limits for each compressor unit and from the generalized reserve values and the average required value of the compressor rotor speed determine the required speed rotor for each compressor, which is fed to the local self-propelled guns of compressor units as a control task (impact).
RU2002130695A 2002-11-11 2002-11-11 Method to control operation of complex of gas-turbine compressor sets RU2219375C1 (en)

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RU2002130695A RU2219375C1 (en) 2002-11-11 2002-11-11 Method to control operation of complex of gas-turbine compressor sets

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RU2002130695A RU2219375C1 (en) 2002-11-11 2002-11-11 Method to control operation of complex of gas-turbine compressor sets

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RU2219375C1 true RU2219375C1 (en) 2003-12-20
RU2002130695A RU2002130695A (en) 2004-06-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2454569C1 (en) * 2011-02-14 2012-06-27 Общество с ограниченной ответственностью "Вега-ГАЗ" Control method of hydraulic conditions of compressor shop with optimum load distribution between gas compressor units

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2454569C1 (en) * 2011-02-14 2012-06-27 Общество с ограниченной ответственностью "Вега-ГАЗ" Control method of hydraulic conditions of compressor shop with optimum load distribution between gas compressor units

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Effective date: 20131112