SOLAR ENERGY

Solar PV 101

How does photovoltaic (PV) technology work and what it is? PV materials and devices convert sunlight into electrical energy. A single PV device is called a cell. An individual PV cell is typically small in size, producing power that is approximately 1 or 2 watts. PV cells consist of different semiconductor materials and are usually thinner than four human hairs. Cells are placed between protective materials in a combination of glass and/or plastics to withstand outdoor conditions for many years.

The power output of PV cells will be increased when connecting them together in chains to form larger units called modules or panels. Single modules can be used, or several modules can be connected to form arrays. One to many arrays connected to the electrical grid becomes part of a complete PV system. Small or large PV systems are built to meet almost any electrical power need using this modular structure.

PV modules and arrays comprise one part of a PV system. Complete PV systems may contain stationary panel holding tracks, mounting structures that direct panels toward the sun, inverters that use the direct-current (DC) electricity produced by PV modules and convert it to the alternating-current (AC) electricity that powers all appliances or devices in your home, and batteries used to store energy for later use.

Solar photovoltaic modules generate electricity from the sun and are one of the many parts in a complete photovoltaic (PV) system. The generated electricity will work in a home or business using multiple technologies.

PV arrays need stable, durable structures capable of supporting the array and allowing it to withstand wind, rain, hail, and corrosion over decades. These structures tilt the PV array at a fixed angle determined by the local latitude, orientation of the structure, and electrical load requirements. Most PV arrays are mounted on racks due to their flexibility and ease of use though they can be expensive.

Systems known as building-integrated PV (BIPV) are PV modules placed directly into building materials like roofing, windows, or façades. Building-Integrated Photovoltaic Applications systems (BIPV) are under development with some technical issues and commercial barriers, however there is promise for this type of application.

Inverters convert direct current (DC) into alternating current (AC) electricity. PV modules generate direct current thus they need inverters to allow use for local transmission and the ability to power appliances in homes. PV systems either have one inverter for all modules in the array, or microinverters per panel.

Batteries store solar photovoltaic energy used at night or during inclement weather conditions that block sunlight. Batteries are resident in homes and utilities to power appliances or have the capability to return energy back to the grid.

The installation process of a PV system requires research, skill, and the willingness to be the premier establishment for the task. ShaLaw Staffing wants to serve our clients with the utmost integrity and provide services that are unmatched and completely satisfactory concerning the expectations of the system and its functionality.

We serve the residential and commercial communities with rooftop systems, solar farms, and structural enhancements to create sustainable, environmentally conscience solutions. Each project is a unique opportunity and should be thoroughly evaluated to achieve the best possible outcome. There are no identical solutions when considering solar energy systems as there are multiple factors involved in attaining the efficiency required. The goal of each project is to produce the most efficient system to meet the demands required of it without sacrificing quality.

Reach out to ShaLaw Staffing and let us help you create the best experience with solar power having reasonable cost for the application, clear expectations, and mutually beneficial results with the outcome. We want to be the solar solution provider of merit and to service our clients with integrity and confidence to fortify lasting relationships.