industrial power control


The control of VSC-HVDC and its use for large industrial power systems
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With the recent developments in semiconductors and control equipment, Voltage Source Converter based High Voltage direct Current (VSC-HVDC) has become feasible. Due to the use of VSC technology and Pulse Width Modulation (PWM), it has a number of potential

Efficient power control scheme for cognitive industrial sensor networks
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Traditional distributed power control algorithms in cognitive radio networks are based on the assumption of perfect channel estimation which can lead to performance degradation in practical system. Cognitive radio sensor network (CRSN) has emerged as a promising

Industrial PC Based Heliostat Control for Solar Power Towers
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Around the world the energy systems are mainly based on fossil fuels. However, in the near future, as a result of excessive use, the sources of fuel will start to decrease and this will lead to a search of new reserves and invention of new technologies. In recent years, energy

Robust distributed power control for cognitive radio based industrial wireless sensor networks
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Cognitive radio sensor network (CRSN) has emerged as a promising solution to address the spectrum-related challenges of wireless sensor networks (WSN). Moreover, cognitive radio (CR) gives us a possibility to maximize the utilization efficiency of limited spectrum

Assessment of the lightning transient coupling to control cables interconnecting structures in large industrial facilities and power plants
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Large industrial facilities and power plants often require a huge number of information and con-trol cables between the different structures. These IC-cables can be routed in reinforced concrete cable ducts or in isolated buried cable runs. KTA 2206 is the German

Object oriented timed messaging service for industrial ethernet: a fieldbus like architecture for power plant control and factory automation
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This paper describes an object oriented timed industrial messaging service suited to industrial Ethernet. We use an object oriented middleware technology able to run over Ethernet and TCP/IP. This framework addresses fieldbus architectures for power plant

Demonstrating the flexibility provided by GOOSE Messaging for protection and control applications in an industrial power system
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IEC 61850 GOOSE messaging provides an incredible amount of flexibility to the design and implementation of protection and control systems. This flexibility was essential to recent projects involving the upgrade of the electrical distribution system at an oil refinery. GOOSE

Computer viruses have taken out hardened industrial control systems. The electrical power grid may be next
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Last year word broke of a computer virus that had managed to slip into Irans highly secure nuclear en-richment facilities. Most viruses multiply without prejudice, but the Stuxnet virus had a specific target in its sights one that is not connected to the Internet. Stuxnet was

Potential of Co-benefit Mercury Control for Coal-Fired Power Plants and Industrial Boilers in China
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Using a new technology-based probabilistic emission factor model, to reduce the range of uncertainties versus previous efforts, we estimated mercury emissions from coal-fired power plants (CFPPs) and coal-fired industrial boilers (CFIBs). For the year 2010, the median

Industrial Power Control by Integral Cycle Switching Without Generating Harmonics
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This paper present integral cycle switching control for industrial power control . In this method voltage control is achieved by connecting load to source for some on cycle and then disconnecting some load for off-cycle. Principle of operation and circuit description are

Power Factor Correction and Voltage Control in Industrial Systems
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Electrical loads are expected to operate at power factor close to unity or above a utility specified value, which is typically 0.9. Low power factor causes the efficiency of power distribution to diminish and losses to become large. Operation of a power system at a low

Remote Monitoring Technology and its Application to Control of Industrial Power Supply
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Article Preview Article Preview Article Preview In this paper, remote monitoring technology and its application to control of industrial power supply are discussed in detail, including its composition, function and classification. The two approaches of wired and wireless

Balanced geometric model and common scenarios for uplink power control in industrial wireless networks
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Industrial networks now are trying to implement wireless technologies, following the tendencies in communication networks. This task is complicated because of the nature of the industrial environment. Wireless connections can hardly achieve the same stable quality of

Balanced geometric model for uplink power control in industrial wireless networks
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Industrial networks now are trying to implement wireless technologies, following the tendencies in communication networks. This task is complicated because of the nature of the industrial environment. Wireless connections hardly achieve the same stable quality of

Design and Control of an Anti-Resonance Hybrid Delta-Connected Capacitor Bank for Low-Voltage Industrial Power Systems
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Page 1. Design and Control of an Anti-Resonance Hybrid Delta-Connected Capacitor Bank for Low-Voltage Industrial Power Systems Fig. i. Functional diagram of the central controller of the GAPC system. P) Proportional amplifier; I) Indicator; BS) Power sensor; SO) Sensor of the opening of gate apparatus; MSU) Microcircuit power supply unit; RSU) Relay power supply unit; the other notations are given

Optimal Control of Reactive- Power Compensators in Industrial Networks A Virtual Compensator Concept
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In modern industrial processes, the number of nonlinear loads-known to be a major source of current harmonics-is constantly growing. At the same time, the number of reactive- power compensators operating in these networks is growing too. Though the compensators are not

DSP Based Flexible Digital Control Systems for Advanced Power Electronics, Motion Control , Industrial Automation and Educational Applications
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Advanced digital control systems based on modern DSPs and complex programmable logic devices (CPLDs/FPGAs) are being more and more frequently applied in the branch of power electronics, motion control (eg electric drives, active filters, power conditioners, specialised

Constrained control of a low power industrial gas turbine
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A constrained linear optimal control for a low- power industrial gas turbine based on input- output linearization is proposed in this paper. It uses a nonlinear state space model of the gas turbine in input-affine form based on first engineering principles. According to the control

The Applied Research for Industrial Ethernet in Reactive Power Compensation Control System
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With the rapid development of computer, control and communications technology, Smart Grid has got a rapid development and preliminary application. Reactive power compensation system plays an important role in power supply system all the time. Therefore



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