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6.3.5.2 Functional description
The SCR 48 V charge regulator provided with your system has been
specifically designed for use with the Superwind 350/48V wind generator and
guarantees optimum charging of the batteries. As long as the actual charge
voltage is below the maximum charge voltage level, the current from the wind
turbine is routed directly to the battery or bank. Charge current flow to the
battery is indicated by an illuminated GREEN “Charging” LED (Fig. No.
6.3.5.a).
Once the battery or bank has reached maximum charge voltage, the PWM
circuit diverts the wind turbine’s surplus power to the diversion load power
resistor in order to keep the voltage constant. This state of charge is indicated
by an illuminated ORANGE “Diversion” LED (Fig. No. 6.3.5.b).
When the batteries are fully charged, the wind turbine continues operating
(electrically loaded by the power resistor) and is ready to provide useable
power as soon as the maximum battery charge voltage level drops.
6.3.5.3 Installation Location
The SCR 48 V charge regulator is designed for indoor use and must be
mounted in a location where it is well protected from the elements. The charge
regulator’s temperature sensor has a cable length of 400 cm [157”] and
should be mounted close to the batteries (see Section 6.3.9).
The distance between the charge regulator and the battery should be a
minimum of 30 cm [12”], but must not exceed 400 cm [157”].
The distance between the charge regulator and the diversion load power
resistor should not exceed 200 cm [78” approximately].
The diversion load power resistor is IP 54 rated and can be mounted outdoors
(e.g. outside a switch cabinet). Due to the heat produced while in use, the
power resistor must be adequately ventilated. Never mount the power resister
on a flammable surface or near flammable items, as the resistor will dissipate
all of the wind turbine’s power into heat once the battery is fully charged.
6.3.5.4 Connecting the Charge Regulator
Before connecting the charge regulator, secure the wind generator by turning
the safety switch to the STOP position or by shorting the two generator cables
together (see Section 7.1.1).
Mount the regulator and the power resistor to a dry, non-flammable surface.
The resistor may also be mounted outdoors in a vertical position with the
cable outlets at the bottom.
Connect the charge regulator per the wiring diagram as shown in Fig.
No. 6.3.5.5.
Use appropriate terminations for all wires connected to the charge regulator.
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