# IEEE Transactions on Power Electronics

## Filter Results

Displaying Results 1 - 25 of 48

Publication Year: 2007, Page(s):C1 - C4
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• ### IEEE Transactions on Power Electronics publication information

Publication Year: 2007, Page(s): C2
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• ### Foreword Special Issue on Lighting Applications

Publication Year: 2007, Page(s):717 - 718
Cited by:  Papers (1)
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• ### Model for Electrodes' Filaments of Hot Cathode Fluorescent Lamps, During Preheating With Constant rms Current

Publication Year: 2007, Page(s):719 - 726
Cited by:  Papers (9)  |  Patents (1)
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This paper presents a new model for the representation of electrodes' filaments of hot-cathode fluorescent lamps, during preheating processes based on the injection of currents with constant root mean square (rms) values. The main improvement obtained with this model is the prediction of the Rh/Rc ratio during the preheating process, as a function of the preheating time and o... View full abstract»

• ### A Discharge Lamp Model Based on Lamp Dynamic Conductance

Publication Year: 2007, Page(s):727 - 734
Cited by:  Papers (14)
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A model for discharge lamp based on lamp electrical conductance is proposed. Physical assumptions are used to obtain this model. The model allows simulating lamp behavior at different frequencies and delivered power levels. The model has been verified using a high pressure sodium lamp supplied at 50 and 100kHz View full abstract»

• ### Acoustic Resonance Characterization of Low-Wattage Metal-Halide Lamps Under Low-Frequency Square-Waveform Operation

Publication Year: 2007, Page(s):735 - 743
Cited by:  Papers (33)
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In this paper, a study about acoustic resonance (AR) in low-wattage metal halide lamps is presented. The lamps are supplied with a typical low frequency square waveform on which a high frequency sinusoidal ripple is superposed. The goal is to emulate the same waveforms generated by a low frequency electronic ballast. In this way, the ARs that appear in the lamp can be characterized against ripple ... View full abstract»

• ### Small-Signal Modeling of Discharge Lamps Through Step Response and Its Application to Low-Frequency Square-Waveform Electronic Ballasts

Publication Year: 2007, Page(s):744 - 752
Cited by:  Papers (26)
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In this paper, a simple method to obtain the small-signal model of discharge lamps, and particularly metal halide (MH) lamps, is proposed. A dc voltage source with a series resistor is used to supply the lamp at the required power level. Then, the lamp response against an input voltage step transient is analyzed. From this analysis, the parameters of the equivalent lamp model can be calculated. Th... View full abstract»

• ### Small-Signal Analysis of Cold Cathode Fluorescent Lamp Ballasts

Publication Year: 2007, Page(s):753 - 760
Cited by:  Papers (15)
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A small-signal linear model of a cold cathode fluorescent lamp (CCFL) ballast that employs a voltage-driven piezoelectric transformer is presented. The model takes into account the lamp dynamic and is based on the application of the generalized averaging method presented in . The derived model can be used for stability analysis purposes and is able to predict instabilities observed in different ex... View full abstract»

• ### Cold Cathode Fluorescent Lamps Driven by Piezoelectric Transformers: Stability Conditions and Thermal Effect

Publication Year: 2007, Page(s):761 - 768
Cited by:  Papers (15)
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The envelope impedance (EI) concept was used to develop a systematic and simple approach for studying the conditions for stability of piezoelectric transformers (PT) based ballasts for cold cathode fluorescent lamps (CCFL) systems and the implications of the thermal operating conditions on such systems. The envelope analysis of the CCFL, which was verified experimentally, revealed that the magnitu... View full abstract»

• ### Stabilization of HID Lamps Using DC–DC Converters With an Open Loop Control

Publication Year: 2007, Page(s):769 - 779
Cited by:  Papers (6)
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In this paper, the use of input current shaper converters (ICSCs) working in discontinuous-conduction mode to stabilize the discharge arc in high intensity discharge lamps without close loop control is proposed. The analysis of how the ICSC stabilizes the lamp current, the description of the proposed topology and the design methodology are presented. Experimental results indicated the feasibility ... View full abstract»

• ### Controlled HID Lamp-Ballast Interaction for Low-Frequency Square-Wave Drivers

Publication Year: 2007, Page(s):780 - 788
Cited by:  Papers (21)
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High intensity discharge lamps are typically operated at low frequency to avoid damage from acoustic resonance. Accordingly, an electronic ballast normally comprises a buck converter to control the lamp current magnitude and a full-bridge to commutate the lamp current at a low frequency. In such a system, the negative dynamic lamp characteristic may interact with the power electronic driver may gi... View full abstract»

• ### AC-Side CCM CS–CP–PFC Electronic Ballast

Publication Year: 2007, Page(s):789 - 796
Cited by:  Papers (11)  |  Patents (1)
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This paper proposes a bridgeless-type ac-side continuous-conduction-mode (CCM) current-source (CS) charge-pump (CP) power-factor-correction (PFC) electronic ballast. The drawbacks of conventional dc-side discontinuous-conduction-mode (DCM) electronic ballasts include high di/dt, high current stress, and high switching losses. As a result, conventional dc-side DCM CS-CP-PFC electronic ballasts have... View full abstract»

• ### A Novel Single-Switch Single-Stage Electronic Ballast With High Input Power Factor

Publication Year: 2007, Page(s):797 - 803
Cited by:  Papers (21)  |  Patents (1)
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This paper proposes high-power-factor electronic ballast for fluorescent lamps. The converter offers a high input power factor and a high-frequency supply to the lamp using a single switch. Besides the simple circuit configuration, the excellent performances of high power factor for ac input side and low lamp crest factor for lamp are included in this paper. The conventional electronic ballast cir... View full abstract»

• ### High Pressure Sodium Lamp High Power Factor Electronic Ballasts Using AC–AC Converters

Publication Year: 2007, Page(s):804 - 814
Cited by:  Papers (18)
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Electronic ballasts usually present two stages, one for feeding the high pressure sodium (HPS) lamp and the other for power factor correction (PFC). This paper presents electronic ballasts using ac-ac converters without a PFC stage. The use of an indirect ac-ac converter, or an indirect frequency changer, to feed the HPS lamp is investigated. Modulation strategies are proposed to improve the input... View full abstract»

• ### Design of Resonant Inverters for Optimal Efficiency Over Lamp Life in Electronic Ballast With Phase Control

Publication Year: 2007, Page(s):815 - 823
Cited by:  Papers (19)
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The paper presents the design guidelines of phase controlled resonant inverters to drive high intensity discharge lamps. Considering the variation of the lamp resistance over its lifetime, the resonant phase is determined and the condition of minimum phase lag is imposed to minimize the current through the circuit. The optimum input voltage is analyzed according to phase lag, frequency variation, ... View full abstract»

• ### Current-Equalization Techniques for Electronic Ballasts

Publication Year: 2007, Page(s):824 - 830
Cited by:  Papers (6)
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This paper presents active current-equalization (CE) techniques for equalizing the lamp currents of multi-lamp electronic ballasts. Multi-lamp products, such as the backlighting for liquid crystal display (LCD) panels, have to be capable of equalizing luminance. Due to the deviations of lamps and ballasts, the currents flowing through the lamps are not equal, which causes poor-quality backlight so... View full abstract»

• ### Phase-Controlled Quadruple ${LC}_{p}$ Resonant Inverter to Drive 600-W HPS Lamps

Publication Year: 2007, Page(s):831 - 838
Cited by:  Papers (3)
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This paper presents the analysis and design method of a new configuration of resonant inverter suitable for high-intensity discharge (HID) lamp ballast applications. The proposed inverter results from the parallel connection of four class D LCp resonant inverters, sharing the total load current. In this way, the conduction losses are reduced and high frequency operation is achieved for ... View full abstract»

• ### 2.65-MHz Self-Oscillating Electronic Ballast With Constant-Lamp-Current Control for Metal Halide Lamp

Publication Year: 2007, Page(s):839 - 844
Cited by:  Papers (21)
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This paper presents the 2.65-MHz self-oscillating electronic ballast with constant-lamp-current control for metal halide (MH) lamps. To avoid the inherent acoustic-resonance problem of MH lamps, the switching frequency is chosen to be above 1MHz. Furthermore, in order to satisfy higher magnitudes of maximum electromagnetic interference limitation at frequencies of between 2.5 to 3.0MHz, the ballas... View full abstract»

• ### Microcontroller Power Mode Stabilized Power Factor Correction Stage for High Intensity Discharge Lamp Electronic Ballast

Publication Year: 2007, Page(s):845 - 853
Cited by:  Papers (30)  |  Patents (2)
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This paper presents new design considerations and a control strategy for a two-stage ballast system; power factor correction (PFC) and resonant inverter (RI), for high intensity discharge lamps. The ballast includes a microcontroller whose proposed algorithm implements a power loop and a voltage loop, both to control the PFC, and generates the transistor drive signals of the RI. The power loop adj... View full abstract»

• ### A Novel Constant Power Control Circuit for HID Electronic Ballast

Publication Year: 2007, Page(s):854 - 862
Cited by:  Papers (28)
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This paper presents a constant power control circuit for a three-stage high intensity discharge (HID) electronic ballast. The three-stage electronic ballast is composed of a boost pre-regulator to achieve high power factor, a dc-dc buck converter to regulate lamp current with constant lamp power, and a full-bridge inverter to drive the HID lamp with a low frequency ac square wave current. The buck... View full abstract»

• ### Low-Voltage Electronic Ballast Based on Class E Oscillator

Publication Year: 2007, Page(s):863 - 870
Cited by:  Papers (17)  |  Patents (1)
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In this paper, an electronic ballast based on the class E oscillator with a capacitive impedance inverter is presented. The ballast allows us to supply an instant-start fluorescent lamp from a 12-V dc power source. The class E oscillator allows us to increase efficiency using a simple structure with only one switch without a driving circuit. Due to the anti-parallel diode integrated into switch, t... View full abstract»

• ### Mixed Mode Excitation and Low Cost Control IC for Electronic Ballast

Publication Year: 2007, Page(s):871 - 880
Cited by:  Papers (5)
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This paper introduces a gate-driven mixed mode excitation that is applicable to dimmable electronic ballasts. The proposed approach combines the characteristics of self-oscillating mode and external excitation. In the mixed mode excitation, the metal oxide semiconductor field effect transistors in an electronic ballast are turned on by the resonant current and turned off by the gate driver, which ... View full abstract»

• ### Frequency Diagnostic Universal Fault Protection for Current Fed Parallel Resonant Electronic Ballast

Publication Year: 2007, Page(s):881 - 888
Cited by:  Papers (8)
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Current fed parallel resonant electronic ballast (PREB) dominates the applications for the T8 fluorescent lamp in North America for its advantage of low cost, flexibility and high reliability. At fault condition, a PREB generates much heat externally, and it is difficult to provide fault protection with traditional approaches. In this paper, a digital solution is presented to detect universal faul... View full abstract»

• ### Series Igniters Effects in Metal Halide Lamps Operation With High Frequency Ballasts: Study and Minimization

Publication Year: 2007, Page(s):889 - 898
Cited by:  Papers (13)
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The use of high frequency (HF) square waveforms is a possible metal halide (MH) lamps supply method which can be implemented by means of non-resonant electronic inverters. This strategy can successfully avoid acoustic resonances appearance in such kind of lamps (theoretically, in a perfect square waveform, no power modulation is found). The main drawbacks of this kind of inverters are the electrom... View full abstract»

• ### Setting the Preheating and Steady-State Operation of Electronic Ballasts, Considering Electrodes of Hot-Cathode Fluorescent Lamps

Publication Year: 2007, Page(s):899 - 911
Cited by:  Papers (19)
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This paper presents a new methodology for the adjustment of the preheating process and steady-state operation of electronic ballasts intended for hot-cathode fluorescent lamps. The classical series-resonant parallel-loaded half-bridge inverter is the power stage analyzed in this paper. In addition, the preheating process is based on the imposition of a constant rms current through the electrodes, ... View full abstract»

## Aims & Scope

IEEE Transactions on Power Electronics covers fundamental technologies used in the control and conversion of electric power.

Full Aims & Scope