Topics: Energy

With exponential growth in the terrestrial photovoltaic (PV) market, many issues arise regarding the integration of these systems into utility networks at high levels of penetration. One such issue is making certain these systems area unit seen as valuable resources, instead of liabilities, to utility system operators. PV systems area unit composed of PV array(s) that convert incident alternative energy into DC electricity, and an inverter which, as the power electronics interface between the array and utility network, performs several functions to confirm the system operates effectively and safely.

These functions embrace playing most electrical outlet following of the array, providing DC to AC inversion, and synchronizing the AC current and voltage to that of the utility network. Inverters conjointly act because the human-machine interface (HMI) for many PV systems, and infrequently perform information assortment duties to trace and communicate the performance of the system to the owners and operators. Significant efforts from private industry, academia, and governmental agencies have led to continued massive reduction in the leveled cost of energy (LCOE) from PV systems.

From the purpose of read of the utility system operator, standard PV systems still have several disadvantages in comparison to ancient fossil-fuel generators despite the LCOE.

Some of the key disadvantages include: A PV system is an AN power supply,obessed with the unsteady daylight native to the world in which it’s put in. Typical PV systems operate at unity power issue, notwithstanding the reactive power desires of the utility network. Owing to issues concerning unintentional islanding, current interconnection standards need distributed PV systems to stop to export power throughout voltage and frequency disturbances, thereby reducing generation from time to time once it is needed most.

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Smart meters go a step more than easy AMR (automatic meter reading).They offer extra practicality as well as a period of time or close to period of time reads, equipment failure notification, and power quality watching.They allow worth setting agencies to introduce totally different costs for consumption supported the time of day and also the season.Another kind of sensible meter uses nonintrusive load watching to mechanically verify the quantity and sort of appliances during a residence, what proportion energy every uses and once.This meter is employed by electrical utilities to try to to surveys of energy use.It eliminates the necessity to place timers on all of the appliances during a house to work out what proportion energy every uses.

Power generation from Solar Photovoltaic plants is variable in nature thanks to changes in star irradiance, temperature and other factors. Thus remote monitoring is essential. For eveloping remote monitoring system for solar photovoltaic power plant, IoT (Internet of Things) approach is taken in this work that really envisions a close to future wherever everyday objects will be armed with microcontrollers and transceivers for digital communication. The remote monitoring eliminate the hazards associated with the traditional wiring systems and make data measurement and monitoring method a lot of easier and value effective and IoT based systems take a large leap towards observation by intelligent decision making from web. The decentralized architecture of the remote monitoring systems and its flexibility of readying build it most fitted for industrial purposes.

Wi-fi technology is additionally used for remote observation and control of PV system for domestic applications. Wi-Fi (IEEE 802.11g) is chosen as it operates at 2.4GHz and offer high rate of concerning 54Mbps in distinction to the ZigBee But this solution is suitable for microgrid network architecture.At present, variety of PV observation system are put into operation .These systems typically use wireless public networks such as GSM or other wireless communication networks for data transmission. But there are problems of high operation and maintenance cost which restrict the development of monitoring system and ultimately hinder the process of economical generation observation in real time. This has influenced USA to research a completely unique remote observation and control of PV system based on IoT

The experimental set up includes solar panels, voltage measuring devices,step up transformer,step down transformer,current transformers,arudino UNO ,battery, ESB 8266(Wi-Fi) , regulated power supply and LCD display. Embedded C Codes developed in house are run in Arudino. The visualization of the collected data in the control station has been done using website designed.

The main objective of this proposed work is to Power of the system can be monitor using the current and voltage value sensed by the arduino. The monitor of the solar energy system and also the energy meter shows the power and energy usage. This system helps to implement in smart grid for efficient usage.


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