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9.0 Wind Turbine Operation
NOTICE: Use of the material contained in this document is subject to the warning on page Iv and the disclaimer
on page v of this document.
DOC012R02 AOC 15/50 User Manual Nov 2001
68
WARNING
BEFORE ENERGIZING THE SYSTEM, CAREFULLY REVIEW
THIS CHAPTER AND ENSURE THAT ALL REQUIREMENTS ARE
COMPLIED WITH. IMPROPER PROCEDURES IN ENERGIZING
THE SYSTEM MAY CAUSE SEVERE INJURY OR DEATH FROM
SHOCK.
9.1 Normal Operation
This section contains a description of the operational functions of the wind turbine in normal
conditions. Normal conditions are defined as those in which the wind turbine was designed to
operate in (see Appendix A for the design specifications).
The six switches on the front panel of the control box control the wind turbine (see Figure 9-1).
The control system inputs available to the operator via the switches are listed below.
Function
Type
Description
Emergency
Stop
Maintained
Overrides all PLC control to disconnect the turbine from the utility
network. Requires an operator to manually reset the turbine control
system.
Turbine
Test/Off/On
Maintained
OFF – parks the turbine with all brakes deployed.
OFF to ON – resets any fault indicator.
ON – allows the wind turbine to start, conditions permitting.
TEST – allows the parking brake release, rotor jog and dynamic brake
test switches to become active.
Parking Brake
Release
Maintained
Releases the parking brake and allows the rotor to turn freely.
Rotor Jog
Maintained
Releases all brakes and connects the turbine to the grid.
Dynamic
Brake Test
Maintained
Used with the rotor jog function to delay the operation of the tip and
parking brakes in order to assess the performance of the dynamic
brake.
Condensation
Heater On/Off
Maintained Energizes condensation heater.
Table 9.1-1 Operator input switches
The operation of these switches is described in detail in the following sections.