Based on the analyzing for the Pan-logic graph of Pan -Boolean algebra PID control, it is introduced in this paper that a new method of Pan-logic truth table can be used to depict the relations between input and output variables of Pan-Boolean algebra PID controller. By quantizing and grading the controller...

This articlediscusses the high-voltage power cables feature real-time integrated monitoring system designed from the fire, earth currents, surge arresters and partial discharge monitoring and supervision of 3G remote audio and video transmission and other aspects. The Actual operating condition of a...

The basic principle of electromagnetic interference, test methods, and suppression measures for DC motor are studied and analyzed. We select 18V/5A DC motor as the research object, and test full-frequency interference characteristics of the conducted and radiated interference. By analyzing the test data,...

This paper attempts to improve the dynamic performance of H-bridge APF.The method of adaline harmonic detection is proposed to calculate harmonic current more accurately in less time while the supply voltage is distorted.H-bridge APF based on CPS-SPWMcan reach the more satisfying performance in lower...

This paper gives an introduction to the main content of the planning and designing of electric power system in electric power engineering as well as discussion on the principles and methods for the planning and designing of electric power system in electric power engineering. It aims to improve the reasonability...

Forenclosed high-voltage electrical appliancespartial discharge is not easy to be found in inspection and ultraviolet detection equipmentcost is high, partial discharge ultraviolet detection system is designed. It is able to monitor the high voltage electrical appliancespartial discharge in real time...

In the DC micro gird control system, it has an important significance for the reliable operation of the system to maintain bus voltage stability and energy distribution. The changing/ discharging control of the battery in different mode is often used to maintain the bus voltage stability. That is, its...

The flight delayinduces extra cost to airlines and passengers.In the process of flight delay, the cost to maintain the engine power supply is the primary part of delay loss. This paper takes different power supply modes in to account to improve the previous flight delay cost model. As well this paper...

The paper will analyze the necessity of research on Model and Simulation of ocean wave power generation platform of hydraulic lifting system. Aiming to the working condition and mechanism of self-elevating power-generating platform ,the paper will provide overall designing scheme and analyze the working...

Magnetic anomaly anti-submarine technology is very important, this paper analyzes in detail the background magnetic interference characteristics of magnetic anomaly antisubmarine helicopter platform, establishes a magnetic dipole array model of helicopter background magnetic field, points out the practical...

As the basic content of power system’s operation management and real-time control, the short-term load forecasting is significant for power system to run safely and economically. A short-term power system load predicting model based on genetic neural network is proposed, which take many factors into...

For the problems of distributed generation new energy connecting to the grid, a networking mode with dual PWM DC / AC power supply interface is proposed, This mode can achieve a large grid and micro-grid communication partitions, The operation and management of distributed power generation system is...

Based on the suprachiasmatic nucleus (SCN) structure and molecular biology, numerous significant results have been obtained via some well-designed network-models as regards to circadian rhythm, in which synchronized cells can be entrained by a 24-h light-dark cycle. However, existing models cannot explain...

As wind power is a mature and important renewable energy, wind power capacity forecasting plays an important role in renewable energy generation’s plan, investment and operation. Combined model is an effective load forecasting method; however, how to determine the weights is a hot issue. This paper proposed...

This paper introduces a design in developing of supervising system based on the LonWorks technology and Kingview. At first, the system combines Neuron chip with power supply controllers and switches as intelligent nodes to establish the network based on power line of LonWorks. In addition, through the...

Magneto-rheological damper has advantages offast response, good stability and continuously adjustable damping force, thatis controlled by the damping force to achieve damping. This paper analyzes the influence of the thickness of the outer cylinder, work space, turns, damping channel length, coil currents...

The electricity data collection system of the transformer substation’s switch cubicle was proposed, which was based on the technology ARM. Realized the real-time monitoring of substation’s switch cubicle. Using S3C6410 as the processor, and designing signal conditioning circuit and AD conversion circuit...

In order to dissipate the heat effectively and improve the performance of 800W Transmitter, we designed a set of self-circulating evaporative cooling system for the 800W power amplifier unit and made an demonstration unit. Through this application, we removed the air-cooling fin and reduced the unit’s...

This paper establishes a multi-model linear parameters varying (LPV) model for wind turbine. The multi-model LPV model is composed by several local linear models interpolating with weighting functions. Local linear models are identified at different wind speeds and pitch angles in the form of output...

As a place for voltage and current to change, focus and allocate, substation is an important node in the power system. The safe operation of its equipments plays a critical role in the safe and stable operation of the power system. The automation and unattended situation of substations is currently two...

This paper describes an operating mechanism driven by a three-phase permanent magnet synchronous motor (PMSM) for high voltage circuit breakers (HVCB). It analyzes the relationship between the optimal moving contact travel of HVCB and the PMSM torque, and proposes the main parameters and requirements...

The structure and magnetic field configuration of a non-Tokamak magnetic controlled fusion device—Galathea--is introduced. The force balance of plasma confined by myxines in a toroidal topology is semiquantitivelyanalyzed and the computing formula of vertical magnetic field used to compensate the toroidal...

Hardware Trojan is easy to be embedded during IC’s design and manufacturing. Mostly used Trojan detection technique based on side-channel approach need a Trojan-free instance, and could not ensure Trojan-free instance’s consistent of schematic. With the help of scan chain, one of the widely used design...

In this paper, a plant growth simulation algorithm was used to solve distribution network reconfiguration. The effectiveness of the proposed method has been tested and verified on IEEE 33 bus distribution system, the experimental results show that the Plant Growth Simulation Algorithm has better feasibility...

A new small-scale type diffuser augmented wind turbine (DAWT) is designed based on blade element momentum theory and the aerodynamic model of DAWT is established. This work presents an innovative approach to rotor blade design of small-scale diffuser augmented wind turbines. At the same radius and wind...

In order to study the influence of train running parameters to the rescue electric multiple units (EMUs) coupler dynamic performance, a train–coupler system simulation model was established. The influence of different braking level, braking time and braking original speed to the longitudinal force and...

Smart Distribution Grid is an important part of Smart Grid and its operating conditions directly affect the effectiveness of the industry. In order to achieve the goal of real-time and reliability of data transmission of Smart Distribution Grid, we design a smart multi-antenna distribution communication...

Generally, in the mesoscopic simulation of polycrystalline materials, correctly establishing polycrystalline models is the key to numerical simulate rolling process. Based on the principle of Voronoi diagram, using MATLAB and ABAQUS Python script interface, the rolling process of pure copper plates in...

The common on-line detection methods are introduced in this paper generally. Additionally, the application of on-line detection in shanghai distribution network is mainly analyzed and its further popularization is well programmed.

The range tracking loop is an important part of measuring Radar. Based on the mathematic model,the analysis between -tracker and -trackeris studied. The effect of loop parameters isanalyzed.The formula of -tracker’s equivalent noise bandwidth(ENBW)isderived.The simulation results provide the theoretical...

To avoid the disadvantages of the traditional video surveillance, such as short distance transmission and one-way flow of analog signals, a modified visual monitoring platform was developed by the power line carrier communication and the senior multimedia technology in this work. The platform made from...

Cross loading equipment is one of the important test equipments in airplane, aviation and shipping field. It is used to test the performance of rudder used in airplane, ship and missile etc in laboratory. A cross loading equipment based torque motor was processed. This paper gives the design process...

This paper first introduces the concept of demand side management and its relationship with demand response; and then introduces problems and solutions involved in the process of implying the demand side management, such as the ladder electricity price, classify the electricity users, predict the loads...

Thispaperintroducesthedisasterresponseresearchstatusquoofimportantloadsindistributionnetwork,summeduptheresearchandpracticeresultsathomeandabroad.Thefocusofthispaperisproposedtheconceptofsituationawareness.Throughcarryingoutsituationawarenessindistributionnetwork,improvethedisasterwarningabilityofimportantloads.Summarizingthedifficultiesweneedtoovercomewhenputthistechnologyintoapplication.Pointingoutanewwayfordisasterresilienceresearchofimportantloads.

Power grid volatility is inevitable due to its wide coverage, complex properties of users and influence of environment, equipment and human activities. Modern coal chemical industry operates on specific conditions characterized by high temperature and pressure, strong corrosion, inflammability, explosibility,...

The ground current would lead to transformer DC magnetic bias in HVDC unipolar runtime, causing the transformer noise increases, increased vibration, overheating and other hazards, adverse affect on the series capacitors and even the grid. It introduces the research background and significance, the mechanism...

Too aircraft hold on the ground not only brings inconvenience to passenger travel, but also increases the operation cost of airlines. Power supply equipment mainly includes APU (Auxiliary Power Unit) and 400Hz electrical power. According to aircraft ground operational situation, a mathematic model was...

In digital electric power metering system, the sampled values of currents and voltages are transferred according to IEC61850-9-1/2 protocol. Quantization error will be introduced because the transferred data bit is limited. The quantization error introduced by IEC61850-9-1/2 is researched. The mathematical...

Smart distribution network gathers massive load data with SCADA system. Bus load forecasting needs to increase the process speed while assuring the forecasting accuracy, to meet the real-time requirements. This paper proposed a fast bus load forecasting method for smart distribution system. This method...

The magnetic control adjustable characteristics of one-dimensional Thue-Morse quasiperiodic structure with nanoparticle magnetic fluid defect local modes are studied by using the transfer matrix method. First, the physical model of one-dimensional Thue-Morse quasiperiodic structure with nanoparticle...

In this paper, the mathematical models of the disturbance signal were to be designed. Adaptive LMS algorithm generalized morphological filter was set up based on the mathematical morphological, and the noise of power quality disturbance signal was managed. The different frequency energy distributions...

As a typical green lighting source, but most of high-power LED input power is converted into heat, heat dissipation has important influence on its performance. For the LED lamp radiator, the heat conduction mode is obtained. By the finite element simulation analysis and thermal analysis of natural convection...