Since the aerial photographs of the unmanned flying robots have been confirmed, information useful for the maintenance and management of the megawatt-scale photovoltaic power plants can be obtained, so the related services will be started.
As a method of photographing from a wide-area megawatt-scale photovoltaic power plant, it has generally been commissioned by an aerospace measurement company, but there is a problem of high cost.
Using aerial photography from unmanned flying robots can not only reduce the cost of aerial photography, but also help with construction land selection, construction progress management, and the discovery of hot spots generated by solar panels in a short period of time (due to failures in the panel). A malfunction such as a partial heating phenomenon that causes a decrease in power generation.
The comprehensive policing guarantee mainly provides risk consulting services that help the stable operation of the power generation business, and the use of surveillance cameras and sensors for policing services. It accounts for about 70% of the market share of megawatt-scale photovoltaic power plant security services in Japan.
The company's future goal is to provide maintenance services to megawatt-scale photovoltaic power plants based on the original policing services such as the use of unmanned aerial vehicles and daily maintenance and management support services. Comprehensive service.
The method for inspecting solar panels is to first use the aerial picture of the unmanned aerial vehicle to determine the panel in which the hot spot has appeared, and then confirm the condition of the panel from the ground.
In addition to the megawatt-scale photovoltaic power station, the comprehensive policing guarantee is also preparing to launch the unmanned flying robot service to the inspection fields of various facilities such as wind power stations and bridges.
A Bipolar Stepper Motor has one winding per stator phase. A two phase Bipolar stepper motor will have 4 leads. In a bipolar stepper we don`t have a common lead like in a uni-polar Stepper Motor. Hence, there is no natural reversal of current direction through the winding.
A bipolar Stepper motor has easy wiring arrangement but its operation is little complex. In order to drive a bipolar stepper, we need a driver IC with an internal H bridge circuit. This is because, in order to reverse the polarity of stator poles, the current needs to be reversed. This can only be done through a H bridge.
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