Bladed 4.4使用手册英文版

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1.2 Bladed modules

The Bladed package consists of a Base module and a number of optional modules, for which

licences are separately available. The Base Module consists of three parts:

Base Module

Capabilities

Main module

Steady state calculations, Saving project files, Writing reports,

Graphics.

Simulation module

Modal analysis, Simulations, Turbulence, Waves, Post-

processing.

Batch module

Running calculations in batch mode.

The following optional modules are available in addition:

Optional Modules

Capabilities

Linearisation

Generation of linearised turbine models.

Seismic

Earthquake simulation.

Hardware test

Test a real turbine controller by interfacing it to a Bladed

simulation running in real time.

Offshore support structure

Multiple member tower and support structure.

Advanced Transmission

Interface

Allows user-defined gearbox/transmission dynamics to be

integrated into Bladed simulations through a DLL interface.

Advanced Pitch actuator

Interface

Allows user-defined pitch actuator dynamics to be integrated

into Bladed simulations through a DLL interface.

Electrical dynamics

Electrical models of generators and power coverters; network

voltage and frequency transients.

Windfarmer link

Site-specific load calculations using Windfarmer output.

1.3 The Bladed Educational version

Bladed Educational is available solely for academic and teaching purposes. Only the Base

Module is available, and there are a number of further restrictions, as follows:

Turbine model:

 The number of blade radial stations is limited to 10 maximum;

 The number of tower stations is limited to 5 maximum;

 The pitch actuator model is fixed to a first order lag response with 0.3s time constant.

No other pitch actuator models are allowed.

 The external controller facility is not available.

 The use of encrypted data is not supported.

Environment:

 Simulation periods are limited to 60s maximum.

 The "seed" used to initialise the random number generators used to synthesise wind

turbulence and wave time series is fixed.

 Only the longitudinal component of wind turbulence can be used in simulations. (The

other components can be synthesised, but will be ignored in simulations.)

 Although the Seismic module is not available, a single seismic calculation is available

for demonstration purposes.

Calculations and post-processing:

 Calculations cannot be run in Batch mode.

 Model linearisation is not available, except as a demo calculation.

 The following post-processing calculations are not available, except as demo

calculations:

 ultimate loads

 ultimate load cases

 linear model

 The Extreme Load Extrapolation calculation is not available.

1.4 The Bladed Demonstration version

A demonstration version of Bladed is available.

A demo project, demo_a.prj, is supplied with Bladed and will be found in the installation

folder. This contains simplified details of a representative but artificial 3-bladed 2MW offshore

variable speed pitch regulated turbine. This can be used to run most of the available

calculations.

The demonstration version is restricted as follows:

Operation

Restrictions

Modal analysis calculation

Turbine details may not be changed

Turbulent wind generation

Turbulence details may not be changed

Steady calculations and simulations

Turbine details may not be changed; other calculation

details may be changed

Post processing calculations

Calculation details and input data may not be

changed. The Extreme Load Extrapolation calculation

is not available.

Batch system

Calculations cannot be run in Batch mode.

Saving project files

Not allowed

Writing reports

Not allowed, but a sample report may be viewed.

Encrypted data

Not supported

Graphics: viewing calculation results

Unrestricted

When running a calculation, a message box warns that the appropriate demo data will be

used for the calculation.

Other project files are also supplied for demonstration purposes. Although these can be

viewed, they cannot be used for running calculations.

1.5 Support

Bladed is supplied with a one-year maintenance and support agreement, which can be

renewed for further periods. This support includes a ‘hot-line’ help service by telephone, fax

or e-mail:

Telephone: +44 (0)117 972 9900

Fax: +44 (0)117 972 9901

E-mail BladedAdmin@gl-garradhassan.com

It is Garrad Hassan policy to work with clients to respond to their needs so that the software

can be constantly improved. As with any software of this complexity, a total absence of bugs

cannot be guaranteed, and any reports of bugs, along with comments or suggestions on any

aspect of the software, are welcomed. The maintenance and support agreement includes

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