power distribution system Articles
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Customizable Stainless Steel Power Distribution Systems
Modular power distribution systems typically feature polymer enclosures, which are lightweight and easy to install. Sometimes, however, the application or environment calls for stainless steel enclosures. That’s where our SpecMAXX system comes in. Intended for industrial and commercial use, SpecMAXX features 304 stainless steel, UL-approved enclosures with 15-degree sloped roofs that shed ...
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Aircraft Electrical Power Distribution Systems
Currently, many aircraft systems rely on hydraulic, pneumatic, and other mechanical forms of systems, though this trend is currently changing as newer technological capabilities progress. With the advancing technologies and benefits of the aircraft electrical system, aircraft design is shifting to favor electronic equipment over traditional mechanical systems. Aircraft electrical systems can save ...
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How Do Relays Function in Industrial Power Distribution Systems?
How Do Relays Function in Industrial Power Distribution Systems? Power distribution systems that manage large currents come with components that protect the system from abnormal conditions, which can damage the unit. One of these components is a relay, which is used to isolate, limit or control electrical loads. Relays, or simple switches that are set off or activated via an electrical ...
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What is HV and LV Power Distribution System?
An HV power distribution system simply means a high voltage distribution system while an LV is a low voltage or tension power distribution system. LV power supply can be around 230 Volts for a single-phase connection and 400 Volts for a three-phase connection. On the other hand, the HV distribution system can even reach 11Kilo-Volts, meaning it is highly used by bulk power purchasers like ...
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PSO-based feedback controller design of DSTATCOM for load compensation with non-stiff sources
Shunt compensating devices like distribution static compensator (DSTATCOM) are extensively used for compensating harmonics/unbalance/voltage sag-swell in a power distribution system. The design and performance of DSTATCOM for load compensation with stiff and non-stiff sources have been well reported in literature. Using linear control strategies like linear quadratic regulator (LQR), feedback ...
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What is a distribution transformer?
Distribution Transformer: An Essential Component of Power Distribution Systems As you go about your daily life, you probably take for granted that electricity is readily available to power your home and business. However, there is a complex system in place that allows for the efficient distribution of electrical power, and one key component of this system is the distribution transformer. What ...
By Protrafo
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Quick Mapping Evaluator - application for ontology mapping evaluation: a case study on nuclear reactor domain
A comparative study of different string similarity metrics for ontology mapping using Quick Mapping Evaluator (QME) has been carried out. A Java Swing based GUI application, QME, has been developed. This QME is equipped with different algorithms like String Equality, Longest Common Subsequence and Levenshtein Distance for evaluation of the ontology matching at different thresholds in terms of ...
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Control and protection of distribution systems with distributed generators
Unquestionably, in the last years, the number of generators connected directly to electric power distribution systems has increased. In addition, the main statistics and signals show that such tendency could become even more intense in the coming years. As a consequence of this policy, many technical factors related to control, protection, operation and analysis of distribution systems should be ...
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Star-hexagon transformer and non-isolated three-leg VSC based three-phase four-wire DSTATCOM
A new three-phase four-wire DSTATCOM (distribution static compensator) is proposed for power quality improvement in the distribution system. The DSTATCOM is based on a star/hexagon transformer and three-leg VSC (voltage source converter). It compensates harmonic current, reactive power and balances the load along with neutral current compensation. Each of the three single phase transformers has ...
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What is Cable Bus? Superior Cable Bus Explained.
What is Cable Bus? Cable Bus is a power distribution system using multiple parallel conductors braced in a rigid enclosure. A standard range of Cable Bus systems are available from 600 volts to 218,000 volts and up to 10,400 amps. However, Cable Bus systems are adaptable and can be conducted to suit a customer’s particular requirements. Cable Bus can be used in a wide range of utilities, ...
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Market Development for Renewable Energy
Transmission and distribution loss estimates for India are as high as 30-50%, and many communities need improved quality and more reliable power. Increasing the share of distributed generation in the total electricity mix will have a significant impact on both clean energy supply, as well as emissions reductions. In addition, locating power generation closer to the consumer reduces technical ...
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DSTATCOM topologies for three-phase high power applications
This paper proposes distribution static compensator topologies for application in three-phase high power distribution systems. These topologies overcome both the voltage and current rating constraints imposed by the semiconductor switches by the use of three single-phase multi-secondary transformers. Five topologies, namely, four leg-group, three leg-group split-capacitor, H bridge-group, three ...
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Design, analysis and control of compensators for distribution power systems
This paper deals with the analysis, design and control of Distribution Static Compensator (DSTATCOM) for power quality improvement in an AC distribution system. Various design criteria are considered for the design of DSTATCOM for a variety of possible functions such as voltage regulation, power factor correction and load balancing. Conventional AC power capacitors are considered in conjunction ...
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Power circuit breaker using micro-mechanical switches
The objective of this research is to investigate innovative power distribution components based on micro-electromechanical systems technologies integrated with advanced optimisation methods to improve the performance of electric power distribution systems. A novel medium voltage circuit breaker using two switching string assemblies has been developed. The building block is a switching unit, which ...
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Modelling of DSTATCOM for distribution system
This paper deals with the simulation of distribution static synchronous compensator (DSTATCOM) for improving power quality of a distribution system feeding linear as well as non-linear loads. Nowadays, there are an increasing number of non-linear loads which inject harmonics into the system. A three-phase insulated gate bipolar transistor- (IGBT-)based current controlled voltage source inverter ...
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Digitalizing Your Critical Power System: Simple, Smart and Stable
In my last post, I talked about the difficulties faced by facility teams in keeping critical power facilities running safely, reliably, efficiently, and compliant with regulations. We looked at the many hidden risks that make these goals even more challenging. A digitally-connected power distribution system gives you the deep insights you need so you’re no longer ‘working ...
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Controlling the power balance in an 'empty network'
This paper presents the concept of an 'empty network' and shows how the power balance can be controlled in such a system. In this study, an 'empty network' is defined as a transmission system in which no rotating mass is present. All generators are connected to distributed systems and 'hidden' behind power electronic interfaces. One generator creates a neat 50 Hz voltage that serves as a ...
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Effect of distributed generation modelling on performance of distribution systems
Due to the continuous increase of distributed generation (DG) penetration into distribution systems, load flow analysis always needs improvement to be more flexible, fast and computationally efficient especially when integrating DG with existing distribution systems. The work in this paper is divided into two parts; in the first part a new algorithm is developed to solve the power flow problem ...
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Integrated framework for energy loss allocation in electric distribution systems under liberalised energy markets
This paper discusses an integrated framework for cost allocation of energy losses of electric distribution systems under liberalised energy markets. As key contribution is developed an allocation strategy based upon Locational and Uniform Incremental Prices. The locational incremental prices send efficient economical signals to distributed generators with incentives for loss minimisation and ...
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What are the main key differences between a dry-type transformer and a oil filled transformer?
There are several key differences between a dry-type transformer and an oil-filled transformer. The main differences include the type of insulation used, the cooling method, the size and weight, and the applications for which they are typically used. One of the main differences between a dry-type transformer and an oil-filled transformer is the type of insulation used. A dry-type transformer ...
By Protrafo
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