What does the term external flow meter | parameters mean? |venturi meter

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1. IELTS Essay Sample - Flowchart - Solar Power Generation

The provided diagram depicts the step - by - step process of generating electricity for domestic use through solar panels. The following is a detailed analysis and a slightly enhanced version of the Model Essay with more in - depth explanations and better language flow.The picture illustrates the process of producing electricity in a home using solar panels. Overall, it is evident that this process consists of five distinct and sequential stages, starting from harnessing solar energy and ending with the connection of domestic electricity to the external power supply.Stage 1: Solar Energy Capture and Conversion to DC CurrentAt the initial stage of the process, solar panels are installed on the roof of a typical house. These solar panels are the key components for capturing energy from sunlight. Sunlight contains photons, and when these photons strike the surface of the solar panels, a photovoltaic effect occurs. This effect causes the electrons in the solar cells of the panels to move, generating direct current (DC). So, the solar panels effectively convert the solar energy into DC current, which is the first form of electrical energy in this process.Stage 2: Conversion of DC to AC Current and RegulationThe DC current produced by the solar panels is then passed to an inverter. The inverter plays a crucial role as it converts the DC current into alternating current (AC). Most household appliances operate on AC current, so this conversion is necessary for the electricity to be usable within the home. Additionally, the inverter also regulates the supply of electricity. It ensures that the voltage and frequency of the AC current are within the appropriat

e range for safe and efficient use in the home "s electrical system.Stage 3: Supply of Electricity to the HomeAfter the conversion and regulation by the inverter, the AC electricity is supplied to the home from an electrical panel. The electrical panel acts as a central distribution point for the electricity within the house. It divides the incoming electricity into different circuits, each of which supplies power to specific areas or appliances in the home, such as lights, refrigerators, and air - conditioners.Stage 4: Sending Excess Electricity to the GridA utility meter is installed in the home, and it serves an important function at this stage. If the solar panels generate more electricity than the household needs at a particular time, the excess electric power is sent outside the house into the grid through the utility meter. This not only helps to avoid wasting the generated electricity but also allows the household to potentially earn credits or receive compensation from the utility company, depending on the local policies and regulations.Stage 5: Drawing Electricity from the Grid when NeededOn the other hand, if the solar panels do not provide enough energy to meet the household"s demands, for example, during cloudy days or at night when there is no sunlight, electricity will flow from the utility grid into the home through the meter. This ensures a continuous and reliable supply of electricity to the household, regardless of the fluctuations in solar energy generation.In conclusion, the process of using solar panels to provide electricity for domestic use is a well - organized and interconnected system. Each stage plays a vital role in ensuring that solar energy is effectively converted, regulated, and distrib

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