Wind turbine power generation has a cubic relationship with the inlet wind speed. This means if
the wind speed is doubled, the produced power increases by a factor of 8. The power curve of the
Hyland 920 is presented below. The Hyland 920 wind turbine system includes a Diffuse Energy
maximum power point tracking (MPPT) controller that optimises the amount of power extracted for
a given wind speed. For wind speeds beyond 18 m/s (65 kmh) the controller is designed to reduce
the rotor speed to limit the power output to 1 kW and prevent the damage of electrical systems.
Power curve
Also note that when the battery is in a high state of charge the boost circuit of the turbine controller
is limited to 10A. The full current applies when the turbine voltage reaches the battery voltage
The following section outlines the installation procedure for the Hyland 920 wind turbine.
Telecommunications tower installation
1. Unpack turbine and check that all components are present. Note that the turbine is
preassembled and checked prior to delivery.
2. Feed the system 3 core power cable (recommend 12 AWG) through the mounting pole. The
turbine is designed to be mounted on a length of
40 NB (48.3 mm OD) Galvanised Pipe.
3. Attach the Hyland 920 power cable to the system power cable.
4. Insert the yaw mechanism base onto the mounting pole, ensuring that it is fully inserted.
5. Tighten the hose clamp on the base to approximately 4 Nm.
6. Loop a cable tie around the vertical diffuser support and one of the blades. This will prevent the
blades from spinning during installation.
7. Install lifting lug to either top support thread or two side support threads. See image below.
8. Hoist turbine up tower using site preferred method.
System installation
6
AUS
