The Research on Production Operation Risk Management of the Power Supply Enterprises

2014 ◽  
Vol 1008-1009 ◽  
pp. 809-814
Author(s):  
Bo Cheng ◽  
Zheng Wang ◽  
Xing Zhang ◽  
Xing Xiong ◽  
Song Jian Chai
Keyword(s):  
Risk Management ◽  
Information Management ◽  
Power Supply ◽  
Production Operation ◽  
Functional Design ◽  
Safety Risk ◽  
Corporate Managers ◽  
Grid Operation ◽  
Operation Risk ◽  
And Control

With the construction of power grid, operation safety risk in the power supply enterprises is to increase ceaselessly. Corporate managers need to solve the problem how to carry out the operations safety risk management. This paper analyses production operation risk management status of power supply enterprises, describes the content and process of production operation risk management, and then expounds how to achieve information management of production operation risk by establishing production operation risk management and control system of information management. Finally, construction ideas of the system is proposed in the terms of design principles, deployment way and functional design.

Design of Ground Power Information System for EMU

2013 ◽  
Vol 389 ◽  
pp. 913-917
Author(s):  
Min Peng
Keyword(s):  
Information System ◽  
Information Management ◽  
Power Supply ◽  
Single Phase ◽  
The Self ◽  
Information Network ◽  
Centralized Control ◽  
High Voltage Power Supply ◽  
Control Cabinet ◽  
And Control

In order to guarantee the operation safety, maintenance and servicing to the EMU often need to stop high voltage power supply, and switch to the ground power supply. This paper proposes a ground power information system of EMU, in this system, industrial field bus is composed of the single-phase power box, socket box and gateway, it is connected to the centralized control cabinet and the self-diagnostic terminal through the hub that constitute the information network, to realize the free transfer and exchange of data, and the centralized information management and control of the whole system, has a good promotion prospects.

scholarly journals Health and Safety Risk Assessments in Contruction Sites in Oman

2020 ◽  
Author(s):  
Abdelrhman Magdy Mohammed Mustafa ◽  
Adams Joe
Keyword(s):  
Risk Assessment ◽  
Risk Management ◽  
Health And Safety ◽  
Risk Assessments ◽  
Construction Site ◽  
Safety Risk ◽  
Management Standards ◽  
Safety Regulations ◽  
Assessment Matrix ◽  
And Control

It is well known to everyone that construction field is a very dangerous workplace especially if health and safety regulations are not applied in a professional way. In this project a field of survey was conducted through making interviews with experts in risk management and in health and safety risk assessment in the construction field.  In order to understand and evaluate the type of risks and hazards which are normally found at any construction project, the issue in sites were analyzed in five different categories. Analysis were done based on the responses from the professionals involved in the construction site through using software.  The aim of this project is study the awareness of  the participants of carrying out health and safety risk assessments in a professional way, to identify the most risks found in the construction field such as; working at heights, working without using the safety equipment, working on unstable roofs. From the studies, it was concluded the following points  Recognize and control hazards in your workplace , set risk management standards, based on acceptable safe practices and legal requirements, save costs by being proactive instead of reactive. All the respondents who were part of this project have said that it is very important to apply the occupational risk assessment matrix with considering the local regulations of the country.

scholarly journals Design and Research on Power Systems and Algorithms for Controlling Electric Underground Mining Machines Powered by Batteries

Energies ◽  
2021 ◽  
Vol 14 (13) ◽  
pp. 4060
Author(s):  
Artur Kozłowski ◽  
Łukasz Bołoz
Keyword(s):  
Power Systems ◽  
Power Supply ◽  
Internal Combustion Engines ◽  
Underground Mining ◽  
Test Stand ◽  
Research Network ◽  
Control Algorithms ◽  
Systems And Control ◽  
And Control ◽  
Supply Systems

This article discusses the work that resulted in the development of two battery-powered self-propelled electric mining machines intended for operation in the conditions of a Polish copper ore mine. Currently, the global mining industry is seeing a growing interest in battery-powered electric machines, which are replacing solutions powered by internal combustion engines. The cooperation of Mine Master, Łukasiewicz Research Network—Institute of Innovative Technologies EMAG and AGH University of Science and Technology allowed carrying out a number of works that resulted in the production of two completely new machines. In order to develop the requirements and assumptions for the designed battery-powered propulsion systems, underground tests of the existing combustion machines were carried out. Based on the results of these tests, power supply systems and control algorithms were developed and verified in a virtual environment. Next, a laboratory test stand for validating power supply systems and control algorithms was developed and constructed. The tests were aimed at checking all possible situations in which the battery gets discharged as a result of the machine’s ride or operation and when it is charged from the mine’s mains or with energy recovered during braking. Simulations of undesirable situations, such as fluctuations in the supply voltage or charging power limitation, were also carried out at the test stand. Positive test results were obtained. Finally, the power supply systems along with control algorithms were implemented and tested in the produced battery-powered machines during operational trials. The power systems and control algorithms are universal enough to be implemented in two different types of machines. Both machines were specially designed to substitute diesel machines in the conditions of a Polish ore mine. They are the lowest underground battery-powered drilling and bolting rigs with onboard chargers. The machines can also be charged by external fast battery chargers.

Impact of Meshed HVDC Grid Operation and Control on the Dynamics of AC/DC Systems

2020 ◽  
pp. 1-12
Author(s):  
Mehedi Hassan ◽  
M. Jahangir Hossain ◽  
Rakibuzzaman Shah
Keyword(s):  
Grid Operation ◽  
And Control
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