Unlock instant, AI-driven research and patent intelligence for your innovation.

A Method of Building a Steam Turbine Model

A method of establishing a steam turbine, which is applied in the direction of instruments, calculations, electrical digital data processing, etc., can solve problems such as error, production loss, and complex calculation of the establishment method, and achieve the effect of high accuracy and simple calculation

Inactive Publication Date: 2018-07-31
HARBIN THERMAL POWER CO LTD
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem that the existing steam turbine model building method has complex calculations, and the established model simulation degree is not high, which easily brings losses and errors to subsequent production, a method for building a steam turbine model is further proposed

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A Method of Building a Steam Turbine Model
  • A Method of Building a Steam Turbine Model
  • A Method of Building a Steam Turbine Model

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0017] Specific implementation mode one: combine figure 1 Describe this embodiment, the specific steps of the establishment method of a kind of steam turbine model described in this embodiment are as follows:

[0018] Step 1. Establish an oil motor model: use Matlab modeling software to establish an oil motor simulation model. When the inertia time constant of the oil motor is 0.084s, the corresponding valve closing time is 0.10s, and when the inertia time constant of the oil motor is 0.125s , the corresponding valve closing time is 0.15s, when the inertial time constant of the oil motor is 0.167s, the corresponding valve closing time is 0.20s, and the self-balancing coefficient Beita representing the friction loss is 0.03;

[0019] Step 2. Establishing the steam volume effect model: according to the formula Establish the simulation model of steam volume effect, where T 0 Represents the time volume constant, l represents the length of the intake pipe, A represents the cross...

specific Embodiment approach 2

[0028] Specific implementation mode two: combination figure 1 Describe this embodiment, the time volume constant T in step 2 of a method for establishing a steam turbine model described in this embodiment 0 =0.1~0.3s. Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0029] Specific implementation mode three: combination figure 1 To illustrate this embodiment, the value range of β in step 3 of a method for establishing a steam turbine model described in this embodiment is 0.03-0.05. Other components and connections are the same as those in the first embodiment.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A method for establishing a model of a steam turbine relates to a method for establishing a model, in particular to a method for establishing a model of a steam turbine. The invention aims to solve the problem that the existing steam turbine model building method has complex calculations, and the established model simulation degree is not high, which easily brings losses and errors to subsequent production. The specific steps of the present invention are: establishing an oil motor model; establishing a steam volume effect model; establishing a rotor model; establishing a reheating system model; establishing a reheating system model; establishing an infinite power grid model; model, reheat system model, reheat system model, and infinite grid model to establish a steam turbine model. The invention is used in the field of steam turbine design and manufacture.

Description

technical field [0001] The invention relates to a method for establishing a model, in particular to a method for establishing a model of a steam turbine. Background technique [0002] Steam turbines are important equipment in power plants. Before designing and manufacturing steam turbines, it is necessary to establish a simulation model to determine the final manufacturing plan and finalize the production plan. The existing steam turbine model establishment method is complex in calculation, and the degree of simulation of the established model is not high, which easily brings losses and errors to subsequent production. Contents of the invention [0003] In order to solve the problem that the existing steam turbine model building method has complex calculations, and the established model simulation degree is not high, which easily brings losses and errors to subsequent production, the invention further proposes a steam turbine model building method. [0004] The technical ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
Inventor 常立宏丛永杰柏春光马秉孝乔宏伟于达仁康越
Owner HARBIN THERMAL POWER CO LTD