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Terms and abbreviations
Description
Term
Auxiliary control unit. Contains control electronics, auxiliary voltage circuitry, etc.
ACU
Auxiliary measurement unit
BAMU
Type of control board
BCON
Type of control unit
BCU
The part in which the control program runs.
Control unit
Converts direct current and voltage to alternating current and voltage, or vice versa.)
Converter
Grid-side converter or generator-side converter module
Converter module
One section of a cabinet-installed wind turbine converter. A cubicle is typically behind
a door of its own.
Cubicle
Protects the converter by cutting down a peak overvoltage in the converter DC link:
conducts the surplus energy from the intermediate circuit of the wind turbine converter
to the DC resistor when necessary. The chopper operates when the DC link voltage
exceeds a maximum limit. A sudden disturbance in turbine operation or grid can cause
the DC voltage rise.
DC chopper
DC circuit between grid-side converter and generator-side converter
DC link
Energy storage which stabilizes the intermediate circuit DC voltage
DC link capacitors
Dissipates the surplus energy conducted by the DC chopper to heat. Essential part
of the DC chopper circuit.
DC resistor
Distributed drives communication system protocol
DDCS
Direct torque control, a generator control method
DTC
Electromagnetic compatibility
EMC
Optional CANopen® adapter module
FCAN
Optional ControlNet™ adapter module
FCNA
Optional DeviceNet™ adapter module
FDNA
Optional I/O extension adapter
FEA-03
Optional HTL incremental encoder interface module
FEN-31
Optional Ethernet adapter module
FENA
Optional digital I/O extension module
FIO-01
Optional analog I/O extension module
FIO-11
Optional PROFIBUS DP adapter module
FPBA
Physical size of the converter module, for example R9iLC.
Frame, frame size
The part of a wind turbine converter that is connected to the generator stator and
transfers the generator-produced AC power to the converter DC bus
Generator-side convert-
er
The part of a wind turbine converter that transfers energy from the converter DC bus
to the AC grid and vice versa
Grid-side converter
Insulated gate bipolar transistor
IGBT
Inductor-capacitor-inductor filter
LCL filter
Remote monitoring tool
NETA-21
In the control program, a user-adjustable operation instruction to the converter, or
signal measured or calculated by the converter.
Parameter
Protective earth (ground)
PE
Programmable logic controller
PLC
Power stage link
PSL
I/O module
S500
Uninterruptible power supply
UPS
Converter between a wind turbine generator and the grid
Wind turbine converter
Wind turbine system consists of the wind turbine, wind turbine converter, generator
etc.
Wind turbine system
Wind turbine controller. Controls the whole wind turbine system.
WTC
Type of memory unit, attached to the control unit
ZMU
Introduction to the manual 25
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Страница 75: ...b 3 a 2 6 c 4 Air flow direction is towards the converter module Maintenance 75 ...
Страница 85: ...14 Open the installation stand optional and place it in front of the module 14 Maintenance 85 ...
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Страница 112: ...Description CAN bus connection XCAN XCAN 112 BCU x5 control unit ...
Страница 116: ...116 Dimension drawings ...
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