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SOUTHWEST WINDPOWER
Whisper 100 Owners Manual Document #0211 REV C
10/05/05
Normal Operation—Whisper Controller
21
1. Normal Operation – Whisper Controller Overview
The Whisper Controller is a one part of a two part system specifically designed to control the operation and convert the
power of a Southwest Windpower Whisper 100 or 200. Its basic functions are rectification, regulation, and resistive power
dumping. However, to best accommodate many individual customers, the Whisper Controller offers many features and
adjustable operation parameters.
The main Whisper Controller block (hereafter the “Controller”) is a functionally autonomous unit. The Controller contains
all of the Whisper turbine’s power electronics including rectification and load diversion. Additionally, it continuously
monitors voltage, current, energy production, and wind speed (if equipped). These parameters are measured to ascertain
system parameters (i.e. battery voltage) and turbine state (i.e. whether power is being generated).
The auxiliary Whisper Controller Display block (hereafter the “Display”) offers an interface to the many operational pa-
rameters and system measurements of which the Controller is capable. It can be mounted at the Controller or in a remote
location or (with two Displays) both places. From the Display, instant and easy access is gained to voltage, current, power,
energy, charge, peak power, and wind speed (with optional anemometer).
2. Normal Operation – Whisper Controller
The Whisper Controller provides all of the necessary functions and displays for safe and productive turbine operation. It
includes interface features for setting the regulation voltage, monitoring the state of the system, and manually disabling
battery charging. The interface mechanisms of the Whisper Controller are the LED Display, the Diversion Switch, and the
Regulation Adjustment.
3. Diversion Switch
The diversion switch is located on the top of the controller to the left of the LEDs. This switch will divert turbine power to
the dumpload to keep the batteries from being charged.
While this switch does not necessarily stop a spinning turbine,
once the turbine has stopped, this switch will keep it from spinning . Therefore, it should be noted that in most situations
this switch can be used as a stop switch; however, spinning blades with an activated diversion switch is a normal and safe
operational state.
Whisper Controller with
Display
Turbine
Battery
Remote Display
13. Operation of the Whisper Controller