scholarly journals Power Management System Based on Predefined Schedule Using Control App

2017 ◽  
Author(s):  
Amel Mazhar Yousif Ali Mohammed ◽  
Vrajesh Dinesh Maheta
Keyword(s):  
Power Management ◽  
Low Voltage ◽  
Electrical Energy ◽  
Android Application ◽  
Sultanate Of Oman ◽  
Project Approach ◽  
Energy Devices ◽  
Time Table ◽  
Power Management System ◽  
Save Energy

In large organizations devices operating on electrical energy are manually switched and remain ON throughout the day. Most venues are seldom used or used according to predefined schedule. When the energy devices remain ON, even when the venue is not being used, a lot of energy is wasted. The proposed approach suggests development of automatic ON or OFF switching devices  to avoid wasting energy for each venue depending on the time table. The proposed project intends to conserve energy consumption by optimizing scheduling of load to optimize utilization. Considering the importance given to energy conservation by the Sultanate of Oman, to save energy, a study on the present prevailing system has been carried out. The results of this study provide an insight to the energy consumed in a sample venue. The project approach has significant improvement to save energy. In order to overcome the energy  wasted over manually switching, this project is designed to load devices according to using time by android application. The android application has been designed to gather all essential timetable details of each room. Which connected directly with microcontroller through Wi-Fi communication. According to received data , the signal which received by microcontroller may include ether high voltage or low voltage. The microcontroller detects the voltage and based on the data which received from android application, its activates the relay driver to switch particular relay.

scholarly journals A 30mV input battery-less power management system

2019 ◽  
Vol 8 (4) ◽  
Author(s):  
Jim Hui Yap ◽  
Yan Chiew Wong
Keyword(s):  
Energy Harvesting ◽  
Power Management ◽  
Management System ◽  
Closed Loop ◽  
Low Voltage ◽  
Cmos Process ◽  
Area Network ◽  
Significant Finding ◽  
Thermoelectric Energy Harvesting ◽  
Power Management System

This paper presents a fully-integrated on chip battery-less power management system through energy harvesting circuit developed in a 130nm CMOS process. A 30mV input voltage from a TEG is able to be boosted by the proposed Complementary Metal-Oxide-Semiconductor (CMOS) voltage booster and a dynamic closed loop power management to a regulated 1.2V. Waste body heat is harvested through Thermoelectric energy harvesting to power up low power devices such as Wireless Body Area Network. A significant finding where 1 Degree Celsius thermal difference produces a minimum 30mV is able to be boosted to 1.2V. Discontinuous Conduction Mode (DCM) digital control oscillator is the key component for the gate control of the proposed voltage booster. Radio Frequency (RF) rectifier is utilized to act as a start-up mechanism for voltage booster and power up the low voltage closed loop power management circuit. The digitally control oscillator and comparator are able to operate at low voltage 600mV which are powered up by a RF rectifier, and thus to kick-start the voltage booster.

Automatic Power Supply for Residential Consumer Using Microgrid with Hybrid Power Supply

2014 ◽  
Vol 573 ◽  
pp. 334-339
Author(s):  
K. Poovitha ◽  
Rajendran Jagatheesan ◽  
G.S. Naganathan ◽  
A. Mohamed Rajithkhan ◽  
M. Paul Jeyaraj
Keyword(s):  
Power Management ◽  
Power Supply ◽  
Management System ◽  
Low Voltage ◽  
Operating Mode ◽  
Proton Exchange ◽  
Energy Resources ◽  
Hybrid Power ◽  
Power Management System ◽  
Continuous Power

Abstract. This paper proposes a Power Management System (PMS) designed to supply continuous power for residential using low voltage Microgrid. The Microgrid equipped with a hybrid power supply includes, battery storage system and three power supplies: a wind mill, photovoltaic (PV) emulator and proton exchange membrane (PEM) fuel cell (FC). The connections of the energy resources to the common ac bus make use of power inverters with specific functionalities. The automatic power management system for the operation and control of the distributed energy resources connected to residential electric power installations, taking into account both the grid connected operating mode and the islanded operating mode. The PMS provides rapid response to support the critical load. It can also operate as a standalone system in case of grid failure like an incessant power supply. The operating behavior of the proposed automatic system is simulated by using MATLAB SIMULINK.

Application of Low-Voltage Carrier Meter Reading System in the Electricity Network Management

2013 ◽  
Vol 455 ◽  
pp. 350-353
Author(s):  
Jun Hai Jiang ◽  
Xiao Hui Yang
Keyword(s):  
Network Management ◽  
Power Management ◽  
Low Voltage ◽  
Service Level ◽  
System Technology ◽  
Reading Technology ◽  
Important Means ◽  
Power Management System ◽  
Automatic Meter Reading System ◽  
Reading System

Through analyzing the carrier meter reading system functions, characteristics, composition, Introduced the application of carrier meter reading technology in the power management system. As the carrier meter reading technology continues to improve, electricity management more standardized and scientific, automatic meter reading system technology will be a important means in low voltage automatic management and improving the service level.

scholarly journals Optimization of Central Air Conditioning Plant by Scheduling the Chiller Ignition for Chiller Electrical Energy Management

2021 ◽  
Vol 3 (2) ◽  
pp. 76-83
Author(s):  
Anggara Trisna Nugraha ◽  
Lailia Nur Safitri
Keyword(s):  
Power Management ◽  
Energy Efficient ◽  
Electrical Energy ◽  
Optimization Method ◽  
Shopping Centers ◽  
Shopping Malls ◽  
Cooling Systems ◽  
Central Air Conditioning ◽  
Save Energy ◽  
Efficient Consumption

Currently, the demand for electrical energy in homes, buildings, and industry is increasing, in line with population and economic growth. Of course, because of the massive use of electrical energy, it is necessary to increase efficiency. Large shopping malls in some countries are the biggest consume electricity, especially when it comes to cooling systems. Therefore, it is necessary to save energy in shopping centers. Because there are still few tenants and shopping centers that are relatively quiet, the mall's energy consumption is low, so it requires increasing energy-efficient consumption efficiency by optimizing power management and calculating the chiller performance coefficient (COP). This research aims to increase the chiller performance coefficient (COP) to save energy in shopping centers. The optimization method used is to make changes to the chiller ignition schedule when it's used in malls. Through the analysis from this research, it was found that the COP increased to 0.584, and the value before optimization was 6.181. With increasing COP, the chiller performance will increase. The effect of increasing the chiller's performance could optimize the electrical energy efficiency of the chiller in 138.82 kWh/day

scholarly journals Price-Response Matrices Design Methodology for Electrical Energy Management Systems Based on DC Bus Signalling

Energies ◽  
2021 ◽  
Vol 14 (6) ◽  
pp. 1787
Author(s):  
Lucas V. Bellinaso ◽  
Edivan L. Carvalho ◽  
Rafael Cardoso ◽  
Leandro Michels
Keyword(s):  
Power Management ◽  
Energy Management ◽  
Low Voltage ◽  
Electrical Energy ◽  
Power Sharing ◽  
Price Response ◽  
Energy Management Systems ◽  
Management Algorithm ◽  
Dc Bus ◽  
Battery Energy

Prosumers’ electrical installations (PEIs), as nanogrids and low-voltage microgrids, have gained importance in recent years following the development of standards such as the IEC 60364-8 series. In these systems, all distributed energy resources (DERs) are usually integrated using dc bus coupling. The IEC 60364-8-3 predicts an electrical energy management system (EEMS) for power-sharing. The overall research framework of this paper is the nanogrid power management, where complex algorithms are required, as well as the conventional state machines and hierarchical controls. However, the addition of new DERs in such systems is not straightforward due to the complicated parameter settings for energy usage optimization. A different control strategy, named price-based power management, has been conceived to make the EEMS scalable to include new sources and simplify parameterization. Since it is analogous to economic markets, most users understand the concepts and feel comfortable tuning parameters according to their own cost/benefits goals. This paper proposes a price-based power management algorithm for EEMS to automatically design the price-response matrices (PRMs). The PRMs are a way to organize power management, considering new DERs and variable price of energy. The main contribution is the methodology to design the PRMs. Experimental results are carried out to demonstrate the effectiveness of the proposed strategy. The results were obtained with a 1.5 kW prototype composed of a PV generator, battery energy storage, loads, and grid connection.

Electrical Energy Steam Boiler Heat Loss Analysis in Japfa Comfeed Indonesia Tbk, Unit of Sidoarjo

2018 ◽  
Vol 1 (2) ◽  
Author(s):  
Joseph Priyandana ◽  
Jamaaluddin Jamaaluddin
Keyword(s):  
Heat Loss ◽  
Animal Feed ◽  
Electrical Energy ◽  
Operating Costs ◽  
Steam Boiler ◽  
Android Application ◽  
Loss Analysis ◽  
Feed Industry ◽  
Calculation Process ◽  
Electricity Costs

In the animal feed industry, steam is used in pellet making machines. In this process, steam from the boiler is distributed to the pellet mill through the pipe. The purpose of this study is to observe the waste of electricity costs of operating a boiler by calculating heat loss in a distribution pipe. The method of assessing heat loss is done by calculating losses caused by heat loss in the boiler distribution. Then make a calculation application model based on the data obtained. From the data analyzed, the amount of heat lost in the non-insulating distribution pipe is 0.766 kJ/s with a loss of Rp 5.628,600 operating costs per month compared to heat loss in an isolated pipe condition of 0.047 kJ/s with losses which cost slightly more than Rp 368 190 / month. This heat loss calculation process is made on an android application by entering the calculation formula on the program and the data that has been obtained.

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