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
Vibration control on hand-held industrial power tools
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Work with hand-held power tools can be found in most industries all over the world. This type of work exposes the operators to different kind of loads like gripping-forces, feed-forces, exposure to vibration and noise, holding hot or cold surfaces and the exposure to dust
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
Coordinated control and optimization of a complex industrial power plant
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Disturbances causing boiler trips are particularly problematic, since a single boiler trip could have a cascading effect taking other boilers down. Improving power plant stability was one of the key operational objectives of the optimization project. Because of the manufacturing
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
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
INDUSTRIAL POWER CONTROL BY INTEGRAL CYCLE SWITCHING WITHOUT GENERATING HARMONICS
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This paper deals with integral cycle switching, a method to remove whole cycle, cycles or portions of cycles of an AC signal. It is a well-known and old method of controlling AC power , especially across linear loads such as heaters used in electric furnace. However the concept
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 Sliding mode control (SMC) has been studied since the 1950s and widely used in practical applications, such as robot manipulators, aircraft, underwater vehicles, spacecraft, flexible space structures, electrical motors, automotive engines, power electronics systems, and fuel
Effect of Transmission Power Control for Large Scale Industrial Applications in Low Power and Lossy Networks Minghong
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Transmission power is an important factor which impacts on routing topology in low power and lossy networks (LLNs). LLNs have been designed for low rate traffic where use of maximum transmission power is the best choice for performance maximization since it
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
Analysis of Joint Scheduling and Power Control for Predictable URLLC in Industrial Wireless Networks
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Wireless networks are being applied in various industrial sectors, and they are posed to support mission-critical industrial IoT applications which require ultra-reliable, low-latency communications (URLLC). Ensuring predictable per-packet communication reliability is a
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
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 Pichai Jintakosonwit (Sirindhorn International Institute of Technology, Thammasat University) Sunt Srianthumrong (National Electronics
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
Dispatching control of industrial facility power consumption
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The present article deals with the problem of dispatching control of facility energy consumption. This work describes the energy consumption model, which includes the properties of periodic loads common for any type of the processing industry. Therefore it can
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
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
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 20 the median
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