共查询到20条相似文献,搜索用时 31 毫秒
1.
Sang-Kyoo Han Myung-Joong Youn 《Power Electronics, IEEE Transactions on》2007,22(4):1089-1097
A high-performance and low-cost single-switch current-fed energy recovery circuit (ERC) for an alternating current (ac) plasma display panel (PDF) is proposed. Since it is composed of only one power switch compared with the conventional circuit consisting of four power switches and two large energy recovery capacitors, it features a much simpler structure and lower cost. Furthermore, since all power switches can be switched under soft-switching operation, the proposed circuit has desirable merits such as an increased reliability, and low switching loss. Especially, there are no serious voltage notches across the PDP with the aid of gas discharge current compensation, which can greatly reduce the current stress of all inverter switches, and provide those switches with the turn on timing margin. To confirm the validity of the proposed circuit, its operation and performance were verified on a prototype for 7-in test PDP. 相似文献
2.
《Power Electronics, IEEE Transactions on》2009,24(8):1887-1895
3.
Seong-Wook Choi Gun-Woo Moon 《Display Technology, Journal of》2009,5(10):398-407
This paper proposes a novel single sustaining driver with half the device voltage stresses for plasma display panel (PDP). Since proposed driver lowers the voltage stress of sustain switches by series-connected configuration of switches and clamping capacitor between switches, it uses half voltage rating of sustain switches and, thus, reduces the conduction loss of power switches compared with those of the conventional single sustaining driver. Despite device count possibly increasing, by using low voltage switches and capability to produce zero voltage level in sustaining inverter, the circuit cost does not increase compared with the conventional. In addition, the proposed driver has two energy recovery inductors that are utilized to separate the energy recovery path. This feature reduces the power loss of energy recovery circuit (ERC), which gives an improvement in system efficiency. A comparative analysis and experimental results are presented to show the validity of the proposed single sustaining driver. 相似文献
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5.
A new energy-recovery sustaining driver for an AC plasma display panel (PDP) is proposed. Since it has only one auxiliary switch compared with the four of the prior circuit, its size and cost can be greatly reduced. Moreover, it features the fast transition time of the panel polarity, fully charged and discharged PDP and soft switching of all power switches. 相似文献
6.
A new high performance series-resonance energy-recovery circuit (ERC) for a plasma display panel (PDP) is proposed. Two different ERCs are used for both sides of the PDP, and the slow falling and fast rising times are employed. Therefore, it features the zero voltage switching, low electromagnetic interference, low current stress, no severe voltage notch, and high energy-recovery capability. 相似文献
7.
A resonant energy-recovery circuit for plasma display panel employing gas-discharge current compensation method 总被引:2,自引:0,他引:2
Sang-Kyoo Han Gun-Woo Moon Myung-Joong Youn 《Power Electronics, IEEE Transactions on》2005,20(1):209-217
A resonant energy-recovery circuit for a plasma display panel (PDP) employing a gas-discharge current compensation method is proposed. Its main concept is to make the resonant circuit biased by V/sub s/ and 0V instead of V/sub s//2 in charging and discharging the PDP, respectively. This operation helps the PDP to be fully charged and discharged and all main switches turned on under zero-voltage switching. Moreover, since the inductor current can compensate the large gas-discharge current, the current stresses on main power switches can be considerably reduced and all main switches have the turn-on timing margin, which ensures the no voltage drop across the PDP. Therefore, all these features could favorably provide a high energy-recovery capability, more accumulated wall charge, reduced sustaining voltage, and low electromagnetic interference. Therefore, the proposed circuit is expected to be well suited for a hang-on-the-wall PDP TV. 相似文献
8.
《Power Electronics, IEEE Transactions on》2008,23(4):1782-1790
9.
Sang-Kyoo Han Gun-Woo Moon Myung-Joong Youn 《Power Electronics, IEEE Transactions on》2007,22(4):1081-1088
A new cost-effective zero-voltage and zero-current switching (ZVZCS) current-fed energy-recovery display driver for a plasma display panel (PDP) is proposed. It features a simpler structure, less mass, and lower cost of production. Furthermore, since all power switches are turned on or off under zero-voltage or zero-current switching, it has several favorable advantages such as an improved electromagnetic interference (EMI), low switching losses, and reduced burden on the cooling system. Particularly, since the current source built in the inductor can compensate the large gas-discharge current, main inverter switches have the reduced current stress and turn-on timing margin. Therefore, the undesirable voltage notch problem caused by the improperly controlled gate signal can be solved, which enables the panel to light at lower voltage such as 143 V compared with about 165 V of the prior circuit. To confirm the operation, validity, and features of the proposed circuit, experimental results from a prototype built with 6-in test PDP are presented. 相似文献
10.
Zero-voltage and zero-current switching energy-recovery circuit for plasma display panel 总被引:1,自引:0,他引:1
A new zero-voltage and zero-current switching (ZVZCS) energy-recovery circuit (ERC) for a plasma display panel (PDP) is proposed. The external current source ensures the zero-voltage turn-on of all MOSFETs, zero-current turn-off of all IGBTs, and fully charged/discharged PDP, which desirably reduce the sustaining voltage. Moreover, it features simpler structure, fewer devices, lower cost, lower electromagnetic interference noise, and lower current stress. 相似文献
11.
Woo-Young Choi Bong-Hwan Kwon 《Display Technology, Journal of》2009,5(1):10-19
This paper presents a cost-effective sustain power conversion scheme for the plasma display panel (PDP). A new energy-recovery (ER) circuit is proposed for a low-cost sustain driver. As a parallel-resonant type ER circuit, it can recover the energy stored in the PDP without the interconnection of the sustaining and scanning electrodes. It has a simple structure and fewer power devices, providing a lower cost of production. In addition, a high efficiency sustain power supply is proposed to provide a constant sustain voltage for the sustain driver. It achieves zero-current turn-off of the output diode, alleviating the diode reverse-recovery problems. The sustain power efficiency is increased by reducing the switching power loss. Therefore, the cost and power consumption of the PDP can be improved. The proposed circuits are theoretically analyzed in detail. The experimental results based on a 32-in PDP are presented to confirm the validity of the proposed circuits. 相似文献
12.
Sang-Kyoo Han Hyun-Ki Yoon Gun-Woo Moon Myung-Joong Youn Yoon-Ho Kim Kang-Hee Lee 《Power Electronics, IEEE Transactions on》2005,20(6):1271-1279
A new active clamping zero-voltage switching (ZVS) pulse-width modulation (PWM) current-fed half-bridge converter (CFHB) is proposed in this paper. Its active clamping snubber (ACS) can not only absorb the voltage surge across the turned-off switch, but also achieve the ZVS of all power switches. Moreover, it can be applied to all current-fed power conversion topologies and its operation as well as structure is very simple. Since auxiliary switches in the snubber circuit are switched in a complementary way to main switches, an additional PWM IC is not necessary. In addition, it does not need any clamp winding and auxiliary circuit besides additional two power switches and one capacitor while the conventional current-fed half bridge converter has to be equipped with two clamp windings, two ZVS circuits, and two snubbers. Therefore, it can ensure the higher operating frequency, smaller-sized reactive components, lower cost of production, easier implementation, and higher efficiency. The operational principle, theoretical analysis, and design considerations are presented. To confirm the operation, validity, and features of the proposed circuit, experimental results from a 200-W, 24-200Vdc prototype are presented. 相似文献
13.
High performance sustaining driver for plasma display panel employing gas-discharge current compensation method 总被引:2,自引:0,他引:2
A new sustaining driver for a plasma display panel (PDP) employing a gas-discharge current compensation method is proposed. It features a high performance, zero-voltage-switching, high efficiency, low EMI and high energy-recovery capability. Furthermore, since it compensates for the large gas-discharge current, it enables the PDP to light at a lower voltage than the prior circuit. 相似文献
14.
Jung-Goo Cho Ju-Won Baek Chang-Yong Jeong Dong-Wook Yoo Kee-Yeon Joe 《Power Electronics, IEEE Transactions on》2000,15(2):250-257
A novel zero voltage and zero current switching (ZVZCS) full bridge (FB) pulse width modulation (PWM) converter is proposed to improve the demerits of the previously presented ZVZCS-FB-PWM converters, such as use of lossy components or additional active switches. A simple auxiliary circuit which includes neither lossy components nor active switches provides ZVZCS conditions to primary switches, ZVS for leading-leg switches and ZCS for lagging-leg switches. Many advantages including simple circuit topology, high efficiency, and low cost make the new converter attractive for high power (>2 kW) applications. The operation, analysis, features and design considerations are illustrated and verified on a 2.5 kW, 100 kHz insulated gate bipolar transistor (IGBT) based experimental circuit 相似文献
15.
Sang-Kyoo Han Jun-Young Lee Gun-Woo Moon Myung-Joong Youn Chang-Bae Park Nam-Sung Jung Jung-Pil Park 《Electronics letters》2002,38(15):790-792
A new energy-recovery circuit for a plasma display panel (PDP) is proposed. It features a simpler structure, less mass, higher efficiency, and fewer devices. The very stable and uniform light emitted from a PDP proves the high quality of the screen. It is suitable for hang-on-the-wall TVs which have desirable features such as thinness, lightness, high efficiency, and low price 相似文献
16.
Jung-Goo Cho Chang-Yong Jeong Lee F.C.Y. 《Power Electronics, IEEE Transactions on》1998,13(4):601-607
A new zero-voltage and zero-current-switching (ZVZCS) full-bridge (FB) pulse width modulation (PWM) power converter is proposed to improve the performance of the previously presented ZVZCS FB PWM power converters. By adding a secondary active clamp and controlling the clamp switch moderately, ZVS (for leading-leg switches) and ZCS (for lagging-leg switches) are achieved without adding any lossy components or the saturable reactor. Many advantages, including simple circuit topology, high efficiency and low cost, make the new power converter attractive for high-voltage and high-power (>10 kW) applications. The principle of operation is explained and analyzed. The features and design considerations of the new power converter are also illustrated and verified on a 1.8 kW 100 kHz IGBT-based experimental circuit 相似文献
17.
Chen-Chang Liu Horng-Bin Hsu Shin-Tai Lo Chern-Lin Chen 《Industrial Electronics, IEEE Transactions on》2001,48(2):344-351
A novel driver with discharge current compensation is proposed to drive an AC plasma display panel (PDP). This proposed circuit uses resonance between the inductor and the AC PDP to avoid abrupt charging/discharging. The four switches of the full bridge are all operated with zero-voltage-switching turn-on. In addition, an 8-in AC PDP equipped with the proposed driving circuit, operating at 100 kHz, is investigated. With the discharge current compensation, the experimental results show that the proposed driver can maintain the AC PDP to light at lower voltage (129 V) 相似文献
18.
Jun-Young Lee Jin-Sung Kim Nam-Sung Jung Bo-Hyung Cho 《Industrial Electronics, IEEE Transactions on》2004,51(3):615-624
A new concept of energy recovery for a plasma display panel (PDP) is proposed. Different from conventional LC resonant sustaining drivers, the current built up before inverting the polarity of the panel electrodes is utilized to change the panel polarity together with energy previously charged in panel capacitance. This operation provides zero-voltage switching of switches and reduction of electromagnetic interference by rejecting the surge current when the sustain switches are turned on. The buildup current helps to reduce the transition time of the panel polarity and may produce more stable light waveforms. This method is suitable for a PDP sustaining driver requiring stable light emission characteristic while it maintains low circuit loss like the series-resonant-type energy recovery circuit which is known to be a very effective method. 相似文献
19.
Novel zero-voltage and zero-current-switching (ZVZCS) full-bridge PWM converter using coupled output inductor 总被引:2,自引:0,他引:2
Hang-Seok Choi Jung-Won Kim Bo Hyung Cho 《Power Electronics, IEEE Transactions on》2002,17(5):641-648
A novel zero-voltage and zero-current-switching (ZVZCS) full-bridge pulse-width-modulated (PWM) converter is proposed to improve the previously proposed ZVZCS full-bridge PWM converters. By employing a simple auxiliary circuit with neither lossy components nor active switches, soft-switching of the primary switches is achieved. The proposed converter has many advantages such as simple auxiliary circuit, high efficiency, low voltage stress of the rectifier diode and self-adjustment of the circulating current, which make the proposed converter attractive for the high voltage and high power applications. The principles of operation and design considerations are presented and verified on the 4 kW experimental converter operating at 80 kHz. 相似文献
20.
Tsai-Fu Wu Chien-Chih Chen Shao-Wei Chiu 《Power Electronics, IEEE Transactions on》2004,19(6):1380-1387
This work presents three improved plasma display panel (PDP) sustainers for reducing current stress and nonlinear effect due to parasitic and distributed components. In the paper, a useful cell equivalent circuit model is first introduced to describe the behavior of PDP cell operation, and a widely used sustainer is then reviewed, on which three improved ones are proposed. The proposed sustainers can reduce currents through the switches and nonlinear effect due to parasitic and distributed components along the energy-recovery circuit paths. Derivation and operating principle of the proposed sustainers are addressed in detail. In addition, their related gaseous discharge mechanism in PDP cells is also presented. Hardware measurements have verified the feasibility of the proposed sustainers. 相似文献