Calculation method for analytic solution of small fluctuation transition process of one-hole multi-machine surge-chamber-containing hydropower station

Calculation method for analytic solution of small fluctuation transition process of one-hole multi-machine surge-chamber-containing hydropower station

The invention discloses a method for calculating a small fluctuation transition process analytic solution of a one-hole multi-machine hydropower station with a surge chamber, which comprises the following steps of: establishing a dynamic characteristic mathematical model of a water delivery system d...

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Hauptverfasser: CAO XINXIN, WANG ZHENHUI, ZOU YUANLU, ZHANG JIAN, LI GUOLING, CHEN SHENG
Format: Patent
Sprache:chi ; eng
Schlagworte:
CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
PHYSICS
REGULATING
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creator CAO XINXIN
WANG ZHENHUI
ZOU YUANLU
ZHANG JIAN
LI GUOLING
CHEN SHENG
description The invention discloses a method for calculating a small fluctuation transition process analytic solution of a one-hole multi-machine hydropower station with a surge chamber, which comprises the following steps of: establishing a dynamic characteristic mathematical model of a water delivery system during load disturbance according to a rigid water attack theory of non-constant flow of a pipeline; a diversion tunnel momentum equation, a tailrace tunnel momentum equation, a pressure pipeline momentum equation, a surge chamber flow continuity equation, a unit characteristic equation, a generator acceleration equation and a speed regulator equation are combined to obtain a system differential equation set; the high-order system can be converted into a combination of a zero-order link, a first-order link and a second-order link through Laplacian transformation solution, and the time domain process of the state variable can be obtained by respectively carrying out Laplacian inverse transformation. According to the
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subjects CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
PHYSICS
REGULATING
title Calculation method for analytic solution of small fluctuation transition process of one-hole multi-machine surge-chamber-containing hydropower station
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