IEEE Transactions on Power Delivery Journal Impact Factor & Information

Publisher: IEEE Power Engineering Society; Institute of Electrical and Electronics Engineers, Institute of Electrical and Electronics Engineers

Journal description

Research, development, design, application, construction, installation, and operation of apparatus, equipment, structures, materials, and systems for the safe, reliable, and economic delivery and control of electrical, public, and domestic consumption.

Current impact factor: 1.73

Impact Factor Rankings

2015 Impact Factor Available summer 2016
2014 Impact Factor 1.733
2013 Impact Factor 1.657
2012 Impact Factor 1.519
2011 Impact Factor 1.353
2010 Impact Factor 1.208
2009 Impact Factor 1.161
2008 Impact Factor 1.289
2007 Impact Factor 0.857
2006 Impact Factor 0.496
2005 Impact Factor 0.479
2004 Impact Factor 0.528
2003 Impact Factor 0.521
2002 Impact Factor 0.317
2001 Impact Factor 0.287
2000 Impact Factor 0.381
1999 Impact Factor 0.363
1998 Impact Factor 0.334
1997 Impact Factor 0.362
1996 Impact Factor 0.347
1995 Impact Factor 0.242
1994 Impact Factor 0.346
1993 Impact Factor 0.25
1992 Impact Factor 0.247

Impact factor over time

Impact factor

Additional details

5-year impact 2.18
Cited half-life 9.00
Immediacy index 0.21
Eigenfactor 0.02
Article influence 0.65
Website IEEE Transactions on Power Delivery website
Other titles IEEE transactions on power delivery, Institute of Electrical and Electronics Engineers transactions on power delivery, Transactions on power delivery
ISSN 0885-8977
OCLC 12761155
Material type Periodical, Internet resource
Document type Journal / Magazine / Newspaper, Internet Resource

Publisher details

Institute of Electrical and Electronics Engineers

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  • Classification
    ​ green

Publications in this journal

  • [Show abstract] [Hide abstract]
    ABSTRACT: This paper proposes a parallel multimodal optimization algorithm that is combined with electromagnetic transient simulation in a platform that unifies the setup, test, and execution of optimal designs for power systems. The algorithm speeds up the design of power systems as its computations can be executed independently on a highly parallelized environment. Additional speedup is achieved by using a surrogate model to estimate the objective function in regions of suspected local optima. The estimated functions can be used in the subsequent stages of postoptimization studies, such as sensitivity analyses. Comparative studies, in terms of computation time, are conducted against sequential execution of the proposed algorithm. The optimal design of a VSC-HVDC transmission is described to demonstrate the capabilities of the proposed algorithm.
    IEEE Transactions on Power Delivery 10/2015; 30(5):1-1. DOI:10.1109/TPWRD.2015.2410172
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    ABSTRACT: This paper proposes solutions to the problem of voltage sags caused by distributed generators anti-islanding protection. This is a recently identified power-quality (PQ) concern resulting from the increasing penetration of distributed generators into distribution networks. This problem has been previously investigated by the authors and it was revealed that it can seriously affect PQ indices as well as distributed generators reconnection procedures. However, no solutions have been formerly proposed or investigated. In this context, this paper investigates several potential solutions to be adopted by the utility and/or by the DG owners and presents a thorough evaluation of their main advantages and disadvantages. Besides this investigation, simple step-by-step procedures for assessing the effectiveness of each solution are described. The presented studies and procedures will guide the utility engineers in decision-making process associated with the choice of reasonable mitigation techniques to this problem.
    IEEE Transactions on Power Delivery 10/2015; 30(5):1-1. DOI:10.1109/TPWRD.2015.2432757
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    ABSTRACT: This paper proposes an implementation of distribution static compensator (DSTATCOM) for the three-phase distribution system. The functions of DSTATCOM are harmonics elimination, compensation of reactive power, and load balancing in power factor correction and voltage regulation modes. A variable forgetting factor recursive least square (VFFRLS)-based control algorithm is proposed for effective operation of DSTATCOM to estimate weighted values of active and reactive power components of load current. The proposed control algorithm is fast in convergence and has quick response. A prototype of DSTATCOM is developed in the laboratory using a digital signal processor (dSPACE 1104) and voltage-source converter and tested for various operating conditions under nonlinear load. The performance of DSTATCOM is found satisfactory in mitigating various power-quality problems with the VFFRLS-based control algorithm.
    IEEE Transactions on Power Delivery 10/2015; 30(5):1-1. DOI:10.1109/TPWRD.2015.2422139
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    ABSTRACT: This paper presents a general method for building equivalent electric circuits of power transformers, including eddy current effects in windings and core. A high-frequency equivalent dual model for single- and three-phase transformers with two multilayer windings is derived from the application of the principle of duality. The model is built from elements available in circuit simulation programs, such as Electromagnetic Transients Program (EMTP)–Alternative Transients Program, EMTP-RV, PSCAD, and PSpice. The parameters of the frequency-dependent leakage inductance and winding resistance are computed with analytical formulae obtained from the solution of Maxwell’s equations that are based on the geometrical dimensions and material information. Ideal transformers are utilized to isolate the electric components (winding resistors and capacitors) from the magnetic components (inductors). The physically correct connection points for electric and magnetic components are clearly identified. The proposed methodology is successfully validated versus finite- element simulations and laboratory measurements.
    IEEE Transactions on Power Delivery 10/2015; 30(5):1-1. DOI:10.1109/TPWRD.2015.2424223
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    ABSTRACT: A coupled computational fluid dynamics (CFD) and heat-transfer model for an ice-covered fiberglass-reinforced plastic (FRP) hot stick, elaborated in a previous study, could well explain why the flow of partial-discharge current could be sufficient to raise the temperature of an iced pollution layer just below freezing, where the cold-fog flashover mechanism prevails. However, the ice-covered hot stick was modeled as a solid “ice rod” having an equivalent cross section of ice, meaning that the exposed ice surface is smaller in the model compared to reality. In addition, the simulations were performed for a relatively low wind speed of 1 m/s, while average wind speeds of 6.1–14.4 m/s were reported for the two Manitoba flashovers. Both of these problems are addressed in this paper to deal with the site incident conditions. The ice cover is considered as a thin layer having a thickness of 1 mm on the FRP hot stick. The effects of wind speeds of 0.1–15 m/s and wind direction as parallel and perpendicular to the ice-covered FRP hot stick are studied. This paper also presents experimental investigations on the most reliable reproduction of four separate FRP hot stick flashover incidents in Canada achieved at CIGELE laboratories.
    IEEE Transactions on Power Delivery 10/2015; 30(5). DOI:10.1109/TPWRD.2015.2403267
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    ABSTRACT: This paper proposes a method to establish an optimal dynamic coordinated condition-based maintenance strategy that considers harsh external conditions, for example, harsh weather conditions. Component deterioration is modeled as a Markov process based on physical characteristics, with the effects of harsh external conditions represented as probabilistic models. The proposed model involves interactions between different maintenance strategies on various components, as well as influences on the operation of the entire system. The optimal maintenance strategies are obtained by optimizing the proposed model with the cost to go, including system reliability cost and maintenance cost. This proposed model is solved using a backward induction algorithm associated with a search space reduction approach developed to reduce the simulation time. Two IEEE systems and one actual system validate the proposed model. The results show that this optimal maintenance strategy model that considers harsh external conditions provides insight for scheduling appropriate maintenance activities.
    IEEE Transactions on Power Delivery 10/2015; 30(5):2362-2370. DOI:10.1109/TPWRD.2015.2442291
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    ABSTRACT: Recently, a new oscillation phenomenon—intermittent subsynchronous oscillation (ISSO)—has been observed in a large interconnected power grid. Rather than leading to oscillatory instability, ISSO causes cumulative fatigue damage and reduces the shaft life of the generator. The existing phase-compensation-based damping technologies are found to be limited in mitigating these types of oscillations. To mitigate ISSO, a subsynchronous modulation of reactive current (SMRC) approach is established and implemented in the voltage-source converters (VSCs) at the generator terminals. The contribution of SMRC to system damping has been analyzed in order to select control parameters for the VSC. The SMRC controller has been prototyped and extensively tested on a real-time closed-loop simulation platform equipped with a newly developed speed sensor module for precisely interfacing the real-time digital simulator with the rotating speed-acquisition board. Extensive experiments on the input and output characteristics of the VSC have been carried out to test and validate the damping current generating module. The effective damping areas are obtained from test observations to fine tune the parameters of the VSC controller for adapting to various system operating conditions, resulting in the common optimal damping region. Real-time simulations, onsite commissioning, and statistics have demonstrated the ability of the SMRC to mitigate ISSO and subsynchronous oscillation in power plants.
    IEEE Transactions on Power Delivery 10/2015; 30(5):2321-2330. DOI:10.1109/TPWRD.2015.2436063
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    ABSTRACT: Aeolian vibrations of transmission-line conductors may cause fretting fatigue failure at or near the location of clamped devices. At these locations, the bending stiffness variation of the conductor has a large influence on its deformed shape and, hence, on its fatigue mechanics. Variable bending stiffness models could be integrated in nonlinear finite-element programs to obtain better mechanical behavior predictions. However, there is very little data available in the literature to validate such numerical models. The objective of this paper is to present experimental data for the deformed shape of two types of ACSR conductors undergoing vibrations. The tests were performed on a 5.83-m test bench for various tensions, displacement amplitudes, and frequencies. The displacement amplitude was measured at the vibration anti-node and at five locations near the square-faced bushing. The results suggest a large stiffness variation near the bushing. This experimental study provides valuable data to compare with a numerical model of a vibrating conductor that includes variable bending stiffness.
    IEEE Transactions on Power Delivery 10/2015; 30(5):1-1. DOI:10.1109/TPWRD.2015.2424291
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    ABSTRACT: This paper presents the results of a series of indoor laboratory experiments carried out on dc-energized overhead conductors subjected to simulated rainfall. In a first set of experiments, the impact of rain intensity on the corona onset voltage and total corona losses was investigated. With regard to the onset voltage, no significant impact was observed, whereas a weak positive correlation with total corona losses could be established. In a second set of experiments, the impact of different conductor types on the same two quantities was examined. The most notable result is that the combined use of Z-profiled-strands and sand-blasted surfaces lead to reductions in the total corona current of around 29% and 42%, for positive and negative polarity, respectively. The corresponding reduction of ground-level ion currents and ion coupling with parallel conductors is expected to be of the same order of magnitude.
    IEEE Transactions on Power Delivery 10/2015; 30(5):1-1. DOI:10.1109/TPWRD.2015.2424315
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    ABSTRACT: Power system protection schemes are verified today using Monte-Carlo simulation and manual interpretation of results. The limitation of this verification technique is uncertainty of complete coverage of all possible operating conditions due to the time complexity of simulation. In this two-part paper, an automated simulation-based verification technique is proposed to verify the correctness of protection settings efficiently using hybrid automata-temporal-logic framework. In Part I, hybrid automata models of protection schemes and temporal-logic assertions for desired relay operations are presented. An example is provided to demonstrate the automated verification technique in detail. Its companion Part II presents a technique for test-case generation to ensure early detection of design errors.
    IEEE Transactions on Power Delivery 10/2015; 30(5):2077-2086. DOI:10.1109/TPWRD.2014.2376571
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    ABSTRACT: Recent reviews have shown that many methods can be used for estimating the dynamic thermal capacity of overhead transmission lines. A number of approaches are described and key features of each system are organized. Data from field trials provide a unique basis for assessing the variation in ten different parameters. Characteristics of distributed measurement systems are underscored and contrasted against point measurements systems.
    IEEE Transactions on Power Delivery 10/2015; 30(5):2154-2162. DOI:10.1109/TPWRD.2014.2376275
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    ABSTRACT: Although transverse wind exerts an important influence on the distribution of the ion current density under HVDC transmission lines, very few experiments involving stable wind have been used to verify the numerical model. To overcome the variability of natural wind, a low-speed wind tunnel was used to produce stable wind in this research. An experimental platform was set-up in the wind tunnel, to measure the ion current density of DC wires. Based on the experiment, transverse wind exerted significant influence over the distribution of the ion current. The numerical model was discussed and the results showed reasonable agreement with the measured values for different wind speeds.
    IEEE Transactions on Power Delivery 10/2015; 30(5):1-1. DOI:10.1109/TPWRD.2015.2444372
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    ABSTRACT: This paper describes the concept and development of dry-type transformers for underground distribution networks, capable of operating in the open air, partially submerged or completely submerged without enclosure and in contact with water. The rating is in the range of 500 kVA to about 2000 kVA and 15- or 25-kV voltage. Immersion depth is limited to 3 m, due to the limits of the plug-in connectors on the high-voltage (HV) side of the transformer. A tap panel is provided on HV coils for $pm $5.0%. Dimensions and losses are comparable to those of liquid-immersed transformers. Electrical insulation is fully solid. The HV coils are shielded and the shield is grounded.
    IEEE Transactions on Power Delivery 10/2015; 30(5):1-1. DOI:10.1109/TPWRD.2015.2393252
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    ABSTRACT: Power cables are playing an increasingly important role in the power grid. The sheath loss is one of the main shortcomings of the power cable which will cause thermal problems and limit the cable's ampacity. We carry out a systematic research on the sheath loss of cables with different arrangements, including single bonding, solid bonding, and cross bonding. For cross-bonded cables, we study how the cross-bonding joints number and segment length deviation influence the sheath loss. To reduce the sheath loss, this paper studies a promising measure using connecting impedance in the cross-bonding joints, and the characteristic of the connecting impedance is fully revealed. The computer efficient algorithm is established to fulfill the loss calculation task, which is based on the improved coupled line model. The key of the coupled line model is to use series expansion to calculate the admittance matrix without diagonalizing the complex propagation matrix of the cable line. The dimension of the nodal equation is also greatly reduced.
    IEEE Transactions on Power Delivery 10/2015; 30(5):1-1. DOI:10.1109/TPWRD.2015.2414655
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    ABSTRACT: Geomagnetically induced currents (GIC) in power systems can interfere with the system operation and, in extreme cases, can damage transformers and cause power blackouts. A notable example is the magnetic disturbance of March 13, 1989 that caused a blackout of the Hydro-Québec system. The size of the GIC depends on the inducing magnetic-field variations, earth conductivity structure, and system characteristics. This paper examines the earth models developed for Québec and shows how the changes in earth models have changed the electric-field values calculated for the March 13, 1989 storm. These calculations are made using data from two magnetic observatories: one at the southern end of Québec and one at the northern end. It is shown how the choice of magnetic-field data and uncertainty in the earth model influence the calculated electric-field values.
    IEEE Transactions on Power Delivery 10/2015; 30(5):2171-2178. DOI:10.1109/TPWRD.2014.2379260