1. INTRODUCTION Solar Furnace is structures, which concentrate all the sunlight (solar radiation) fall on it to a point or a line to increase temperature. It contains mirror which act as collector or reflector, which are arrange in such a way that all the sunlight fall on it is concentrated at, focus the temperature at focus may reach up to 3500’c. This heat can be utilized to generate electricity, Melting of metal, Cooking of food Carry out many chemical reactions and used to heat any fuel.  1.1Type of Solar Furnace: Solar Furnace is of different type based on the collector design and its application 1.1.1Parabolic dish In Parabolic Dish the collector at a fix point concentrates solar furnace the solar light.
Renewable energy is energy that is collected from renewable resources such as sunlight, water, wind, and geothermal heat. A common form of renewable energy is solar energy. Solar energy is radiant light and heat from the Sun that is harnessed by using technologies such as solar heating, photovoltaics, solar thermal energy, and more. The Sun releases pockets of energy called photons that travel from the Sun to the Earth in a matter of minutes. When photons hit a solar panel, they knock electrons lose from their atoms.
There are three ways this energy can be transferred, Radiation, Convection and Conduction. Radiation is when energy from the sun travels through the atmosphere and towards the earth’s surface due to incoming solar radiation. When it reaches the earth’s surface, the surface then heats up, as it heats up it gives of radiation which warms the earth’s atmosphere, this radiation is known as terrestrial radiation. E.g. if you stand near a fireplace or near a fire you can feel the heat from the fire due to radiation.
Parabolic dish is a point focus concentrator with shape of a circular parabolic (surface of revolution generated by a parabola around its axis). In the proposed design, parabolic dish with min 2.4m diameter. The concave face of the concentrator will be lined with a reflective material so that incoming solar radiations that are travelling along the axis can be collected and reflected to a point focus. It should be noted that the size of the receiver is quite smaller than the collector
It is also important to consider the thermal characteristics of the solar chimney and design the solar chimney with materials that absorb the most heat, which generally includes a black frame, tinted glass, and insulated glazing. Size of the solar chimney is another important consideration,
In this paper the solar photovoltaic (PV) system is modeled and simulated. The solar power output is controlled using the boost converter (DC-DC converter). The change in the solar power with the changes in environmental conditions, especially under
2.3 SOLAR CONCENTRATOR : Solar concentrator is a device which concentrates the solar energy incident over a large surface onto a smaller surface. The concentration is achieved by the use of suitable reflecting or refracting elements, which results in an increased flux density on the absorber surface as compared to that existing on the concentrator aperture. In order to get a maximum concentration, an arrangement for tracking the sun’s virtual motion is required. An accurate focusing device is also required. Thus, a solar concentrator consists of focusing device, a receiver system and a tracking arrangement .Temperature as high as 300C can be achieved using solar concentrators, and hence they have potential applications in both thermal
Role of solar shading Active solar design Active solar design uses the mechanical and electrical equipment to convert solar energy to heat and electric power. This design can generate much more heat than a passive one. For this design we need a solar collector to absorb solar energy.  Active solar collectors They are usually solar panels which consists of PV cells, (the device which convert light from the sun into electricity.) Active solar design must utilize the substance to act as a conductor .Hence, heat and electricity can be stored and transferred.
So according to that definition, Solar thermal power plants are active systems and we can see different types of solar thermal power plants. There are a few basic similarities mirrors reflect and concentrate sunlight and receivers collect that solar energy and con-vert it into heat. After that by using a steam turbine operation that heat can then be used to produce electricity from this heat
When an incoming radiation with an energy near or greater than the silicon band gap crosses the depleted region of the p-n junction, some electrons jumps from the Valence bond to the Conduction band and electron hole pairs are created ; the produced electron hole pairs are parted by an electric field formed at the junction and are collected at the electrodes of the photodiode. In simple words, the incoming radiation produces a photo-current through the photodiode which can be measured directly or as a voltage drop across the