Trapping sunlight with its array of solar panels, solar inverters ushers in the method of harnessing limitless renewable energy. It helps in regulating the power grids that we use and augments our energy resources. There is no waste material produced. One may also produce limitless amount of power since there is no cutoff value for this.
Method of Operation
Operating the solar inverter envisages the integration of the following points. These are the following:
2. Grid disconnection
3. Tracking the Point of maximum power
When the sunlight hits the cells, it is in the form of direct current that fluctuates. The current is the result of the potential difference that forms through chemical action. Next, one tracks the point, where the power is the most. Grid connection and disconnection help maintain the steady flow of current through the circuits to the storage unit or the grid. One then packs this unit for use or integrates it with a larger circuit for increasing the utilization possibility.
The first step in all operations is inversion. This helps because once the DC is converted to AC it can travel over long distances without any significant loss of energy. If one tries to send DC, the heat loss and friction losses would make the entire process unfeasible.
Tracking of maximum power point happens electronically so that the power realized is the largest. This point is the knee on the circuit diagram showing dependence of current on temperature.
Grid Disconnection Is Necessary
According to specifications for utilization of solar Inverters, one has to disconnect the grid whenever there is a variation in excess of the limit prescribed. One needs to do this whenever there is an island, meaning there is no grid. Manual AC and DC disconnections built in the system are helpful for carrying out regular routine maintenance works. Automatic disconnection helps to regulate the system when the output is not within the required value.
Various types of Solar Inverters
The range of the devices has exceeded the boundaries drawn by wires and connections. Solar powered calculators help student redefine their math homework. Solar chargers are used to power hand held torches and lighting devices.
· Off-grid standalone inverters
· Grid-tie inverters
Choosing the Correct Unit
Most homes use alternating current power to run the various household devices. Once should choose the inverter based on how much power one would use. If you have many devices that use electric current, you should choose an inverter with a higher wattage rating. One should also make sure that the quality of the output is inline with the requirements. If there are surges and spikes then the current may not be suitable enough to run sensitive devices that require high quality power output.
Off grid are low in both cost and efficiency. They have a good surge capacity and let them start high-load motors. They are efficient and useful for operating small fans, stereos and lights.
Grid-tie units deliver utility compatible power. This system can operate all types of devices. This is suitable when one has big power utilization projects.
Micro-inverters provide the cutting edge to the power inversion sector. The main advantage of using this type is that it integrates better with the system. Other inverters when connected to a large panel will bring down the whole system is one panel fails. Micro-inverters will not behave like this.
Cost effectiveness and Adaptability
The cost of the operation reduces to the cost of installation alone. Once the panels are in place and grid connections made, there are expenses that are no more significant. Preventive maintenance, repair time solutions and operations methods need integration into the working methodology.
Maintenance reduces the possibility of unforeseen shutdowns. One must be prepared for large scale repairing techniques to enable quick and reliable alternatives if something happens. The overall cost of installation or purchasing a new unit will depend on:
· Accessibility of raw material
· Testing procedures used
The unit that is located outside will require higher maintenance and cleaning efforts. This is because the exposure to the elements will take a toll on the unit. If these units need to last long, one must build them with stronger and more robust material. Secondly, the place where one assembles this unit must have a regular supply of raw material. If there is difficulty, then this will push up the price. Finally, the testing method adopted in different countries is different. Depending on the standards required, the testing is carried out. So, this factor also determines the final cost of the unit.
Ease of Operation and Maintenance
Simplicity could not get any simpler. Absence of moving parts in solar inverters creates a low maintenance environment that virtually takes care of itself. However one must do preventive maintenance to keep the system operating smoothly.
The Beauty of This Device
With the limitless energy that the sun provides, solar inverters are ideal device to use. The clean energy is already being adapted by most households and offices in the sunny area of United States. More and more people are also enjoying the cut in the electricity bill.
Tom Watts, the writer, is an advocate of clean energy sources. His articles all focus on these topics. He also give practical advice to homeowners and business owner on the gem of switching to alternative energy source. At present, he is a frequent lecturer on commercial solar power and its benefits.