Gas-steam combined cycle unit steam temperature control method and device

Gas-steam combined cycle unit steam temperature control method and device

The invention discloses a gas-steam combined cycle unit steam temperature control method and device. The method comprises: determining a steam temperature control target value according to a preset steam temperature set value and an obtained temperature after a desuperheater; obtaining a steam tempe...

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Hauptverfasser: QIN TIANMU, CHEN ZHENSHAN, LI WEIHUA, SHANG YONG, LI ZHAN, YOU MO, GAO MINGSHUAI, GAO AIGUO, ZHANG HONGXIA, LIU LEI, XING ZHIWEI, ZHANG JINZHE, YANG ZHENYONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
STEAM GENERATION
SUPERHEATING OF STEAM
WEAPONS
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creator QIN TIANMU
CHEN ZHENSHAN
LI WEIHUA
SHANG YONG
LI ZHAN
YOU MO
GAO MINGSHUAI
GAO AIGUO
ZHANG HONGXIA
LIU LEI
XING ZHIWEI
ZHANG JINZHE
YANG ZHENYONG
description The invention discloses a gas-steam combined cycle unit steam temperature control method and device. The method comprises: determining a steam temperature control target value according to a preset steam temperature set value and an obtained temperature after a desuperheater; obtaining a steam temperature actual value and a gas turbine unit load, and determining a PID controller input value according to the steam temperature actual value and a steam temperature control target value; determining steam temperature actual value differential feedforward, gas turbine unit load differential feedforward and gas turbine unit load feedforward according to the steam temperature actual value and the gas turbine unit load; and inputting the PID controller input value into the PID controller, and obtaining a desuperheating water valve opening degree instruction according to the steam temperature actual value differential feedforward, the gas turbine unit load differential feedforward and the gas turbine unit load feedforw
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subjects BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
STEAM GENERATION
SUPERHEATING OF STEAM
WEAPONS
title Gas-steam combined cycle unit steam temperature control method and device
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