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A Photovoltaic array monitoring system with wireless sensors are integrated to the PV modules and transfer the status statistics to monitoring field. These sensors are employed for fault detection and observe misbehavior of the cells. In this work we are focusing on voltage, current, irradiance and temperature of individual photovoltaic array and its parameters are studied along with transfer of data’s to the controlling unit. The lab view and aurdino boards are used for the development of storing and displaying along with controlling data received from wireless sensor. These received information are used to study the array conditions including fault finding, shades on the panel, loading.

wireless sensor networks (WSNs) continue to attract more and more researchers attention, new ideas for applications are continually being developed, many of which involve consistent coverage with good network connectivity of a given area of interest. For the successful operation of the wireless Sensor Network, the active sensor nodes must maintain both sufficient sensing coverage, and also sufficient network connectivity. These are two closely related essential prerequisites and they are also very important measurements of quality of service (QoS) for wireless sensor networks. This paper presents the design and analysis of novel protocols that can dynamically configure a network to achieve guaranteed degrees of coverage and connectivity. Our method utilizes a hybrid approach that provides sufficient sensing coverage and ensured network connectivity. In this paper, we incorporate the solution for eliminating the coverage holes. Simulation results show that our Lifetime prolonged Coverage, Connectivity Configuration (LPC 3 ) Protocol can effectively reduce the number of active sensors and prolongs the network lifetime. Consequently, it realizes that the energy is best used and at the same time the sensor network lifetime is prolonged effectively

Coverage is a typical problem in wireless sensor networks to fulfil the issued sensing tasks. In general, sensing coverage represents how well an area is monitored by sensors. The quality of a sensor network can be reflected by the levels of coverage and connectivity that it offers. The coverage problem has been studied extensively, especially when combined with connectivity and energy efficiency. Constructing a connected fully covered, and energy efficient sensor network is valuable for real world applications due to the limited resources of sensor nodes. In this paper, we survey recent contributions addressing energyefficient coverage problems in the context of static WASNs, networks in which sensor nodes do not move once they are deployed and present in some detail of the algorithms, assumptions, and results. A comprehensive comparison among these approaches is given from the perspective of design objectives, assumptions, algorithm attributes and related results.

As wireless sensor networks (WSNs) continue to attract more and more researchers attention, new ideas for applications are continually being developed, many of which involve consistent coverage with good network connectivity of a given area of interest. For the successful operation of the wireless Sensor Network, the active sensor nodes must maintain both coverage and also connectivity. These are two closely related essential prerequisites and they are also very important measurements of quality of service (QoS) for wireless sensor networks. This paper presents the design and analysis of novel protocols that can dynamically configure a sensor network to result in guaranteed degrees of coverage and connectivity. This protocol is simulated using NS2 simulated and compared against a distributed probabilistic coveragepreserving configuration protocol (DPCCP) with SPAN [1] protocol in the literature and show that it activates lesser number of sensor nodes, consumes much lesser energy and maximises the network lifetime significantly.