Home > New generation solar motor controller

New generation solar motor controller

Supplier News
article image Steve Watt, senior electrical design engineer of Mono Pumps, inspects a new generation solar motor controller.

A NEW solar motor controller (SMC) from Mono Pumps provides users with major benefits in terms of extracting the maximum useable power from a solar panel array.

The new unit is a key component of Mono's latest solar power systems. It automatically smoothes the sometimes fluctuating output from solar arrays which may be subject to a wide range of cell temperatures.

The new unit incorporates a power master circuit which controls the maximum power point tracker (MPPT) and accepts power from an array of solar panels.

These panels may operate at ambient temperatures from 20°C to 60°C and power output changes according to panel temperature.

The power master circuit tracks the maximum power point of each panel to ensure the water pump gets maximum power for its operation.

The solar motor controller drives the brushless dc motor -- and a newly designed inbuilt microprocessor allows a user to set protection parameters and run the system at maximum efficiency.

The SMC/MPPT unit ensures maximum energy is extracted from the solar array. It is essentially a dc/dc converter which automatically controls the volts of the solar array to maximise watts produced to power the motor and drive the pump.

Basically, the new unit ensures the powered pumping system works at maximum possible efficiency during varying solar conditions.

In addition to managing power inputs, the new unit also protects the solar pumping system from over pressure, over temperature and incorrect wiring of either the solar array or float switch inputs.

If the array is not providing enough power (due to clouds, rain or dust storms) the SMC switches the entire system into sleep mode to reduce wear.

Operators are kept posted of events by a series of panel lights which indicate when the SMC is starting up the pump motor and when solar power is available.

Panel lights flash when the solar panels are not providing enough power -- or glow steadily when the motor is running at maximum speed. When the motor speed drops the lights flash proportionally.

Newsletter sign-up

The latest products and news delivered to your inbox