Design of Switch Transformer about Half Bridge Switching Power Supply

2014 ◽  
Vol 986-987 ◽  
pp. 1799-1803
Author(s):  
Yu Tang ◽  
Gang Wu
Keyword(s):  
Power Supply ◽  
High Efficiency ◽  
Circuit Simulation ◽  
Switching Power Supply ◽  
Switching Power ◽  
Voltage Output ◽  
The Family ◽  
Switch Power Supply ◽  
Design Requirements ◽  
Selection Of

Half bridge switching power supply is a kind of form in the family. It has the characteristics of good voltage output, high efficiency, the simple circuit and so on. On the design of the half bridge switching power supply, the key and difficult point is the design of switch transformer. Taking the switch transformer of a half bridge switching power supply as the research object and based on the design requirements, this paper aims to realize the calculation of the coil turns and the selection of core in switching transformer. the design of switch transformer of the push-pull switch power supply has been completed by circuit simulation and implementation.

Design of Switch Transformer about the Push-Pull Switch Power Supply

2013 ◽  
Vol 341-342 ◽  
pp. 1266-1270
Author(s):  
Gang Wu ◽  
Yu Tang
Keyword(s):  
Power Supply ◽  
High Efficiency ◽  
Skin Effect ◽  
Circuit Simulation ◽  
Switching Power Supply ◽  
Switching Power ◽  
The Family ◽  
Switch Power Supply ◽  
Design Requirements ◽  
Switch Power

the push-pull switch power is a kind of form in the family. It has the characteristics of good voltage output, high efficiency, the simple circuit and so on. On the design of the push-pull switch power supply, the key and difficult point is the design of switch transformer. Taking the switch transformer of a push-pull switching power supply as the research object and based on the design requirements, this paper aims to realize the calculation of the coil turns in switching transformer. Meanwhile, under the consideration of the skin effect and the proximity effect and the choices of switch transformers wires and the methods of wires winding, the design of switch transformer of the push-pull switch power supply has been completed by circuit simulation and implementation.

Design of the Push-Pull Switch Power Supply Based on UC3525A

2013 ◽  
Vol 341-342 ◽  
pp. 1261-1265
Author(s):  
Yu Tang ◽  
Gang Wu
Keyword(s):  
Power Supply ◽  
Integrated Circuit ◽  
Output Voltage ◽  
Switching Power Supply ◽  
Switching Power ◽  
Design Scheme ◽  
Transformer Winding ◽  
Switch Power Supply ◽  
Design Requirements ◽  
Switch Power

Switch power supply is a power supply of maintaining the stable output voltage by the use of modern electronic technology, controlling the time ratio (duty cycle) of on and off of switching transistors . Push-pull switch power supply is a form of switching power supply family, which is divided into an independent-excited push-pull switch power supply and self-excited push-pull switch power supply. This paper will put forward an design scheme of the independent-excited push-pull switch power supply based on the design requirements, and the driving integrated circuit selection according to the design scheme of the push-pull switch power, at the same time, the switching transistors and rectifier diode selection through the calculation. The number of turns on a switch transformer is calculated according to the input and output voltage. Considering the skin effect and the proximity effect, switch transformer winding method is selected and the power supply meets the requirements of design according to the saber2007 simulation and implementation.

The Design of 5V/100W High Frequency Switching Power Supply

2013 ◽  
Vol 834-836 ◽  
pp. 1221-1224
Author(s):  
Hong Zhuan Cai ◽  
Li Bai
Keyword(s):  
Power Supply ◽  
High Frequency ◽  
High Efficiency ◽  
Design Method ◽  
Switching Power Supply ◽  
Widespread Application ◽  
Forward Converter ◽  
Switching Power ◽  
Dc Power ◽  
Important Field

Switching power supply is an important field of application of power electronic technology, the high frequency switching DC power supply with high efficiency, small size, light weight and other advantages obtain the widespread application. The application of synchronous rectifier technology, photoelectric coupling isolation technology and the active clamp forward converter design high frequency switching power supply with 16~40V DC input and 5V/100W DC output . its operational principle is analyzed, and using LM5026 control chip describes design method of switching power supply.

Power Supply Design of Magnetic Resonance Sounding Equipment for Detecting Mine Groundwater

2013 ◽  
Vol 461 ◽  
pp. 519-523
Author(s):  
Chen Sun ◽  
Jun Lin
Keyword(s):  
Magnetic Resonance ◽  
Power Supply ◽  
Small Volume ◽  
High Efficiency ◽  
Bridge Circuit ◽  
Low Noise ◽  
Switching Power Supply ◽  
Switching Power ◽  
Volume Weight ◽  
Magnetic Resonance Sounding

On the basis of the principles and characteristics of the various switching power supply, we have designed a high-power supply which can be used for the magnetic resonance sounding equipment for detecting mine ground water. The characteristics of the switching power supply are the full-bridge converter as the main power topology and the SG3525 chip as the core of the control. The high frequency PWM signal generated by the SG3525 can drive the four power switch tubes of the full-bridge circuit to conduct alternately thought the IR2110, so we can get continuous and stable DC output voltage. The design of the switching power supply has a lot of advantages, such as high efficiency, low noise, high stability, and small volume weight.

Wide-Range and High Efficiency Switching Power Supply for Color TV Receivers

1978 ◽  
Vol CE-24 (3) ◽  
pp. 473-480
Author(s):  
Toshio Fujimura ◽  
Takeshi Maruyama ◽  
Kunio Umehara
Keyword(s):  
Power Supply ◽  
High Efficiency ◽  
Switching Power Supply ◽  
Switching Power ◽  
Wide Range

Design of a High Voltage Switching Power Supply with Soft Switching Technology

2014 ◽  
Vol 536-537 ◽  
pp. 1493-1496
Author(s):  
Zhu Lei Shao
Keyword(s):  
High Voltage ◽  
Power Supply ◽  
Soft Switching ◽  
Switching Power Supply ◽  
High Voltage Power Supply ◽  
Soft Switch ◽  
Switching Power ◽  
Switch Power Supply ◽  
Application Requirements ◽  
Voltage Switching

Aiming at the application requirements of miniaturization and energy saving in the field of high voltage power supply, a high voltage switching power supply with soft switching technology was designed. The soft switch technology which makes the loss of switch power supply decrease obviously,and the dual voltage rectifier technology can effectively reduce the volume of switching power supply. Circuit parameters of switching power supply are optimized in order to further improve the efficiency of power supply. From the experiment results, the high voltage switching power supply meets the design requirements, and suitable for the strict requirements of environment on the volume and efficiency.

A Kind of New Switching Power Supply with Multiple Isolated Outputs Used in High-Voltage Static Synchronous Compensator

2012 ◽  
Vol 249-250 ◽  
pp. 567-571
Author(s):  
Bing Jun Yan ◽  
Ai Dong Xu ◽  
Zhan Yuan Bai
Keyword(s):  
High Voltage ◽  
Power Supply ◽  
High Efficiency ◽  
High Price ◽  
Switching Power Supply ◽  
Power Module ◽  
Static Synchronous Compensator ◽  
Distributed Application ◽  
Switching Power ◽  
Efficiency And Reliability

The background of this paper is the power supply driven by High-voltage Static Synchronous Compensator series module, a kind of applicable to high voltage power module is proposed in this paper. Using High-voltage Static Synchronous Compensator, this device Switching Power Supply has the advantages of small in volume, light in weight, high efficiency and reliability. Compared with the high voltage of the insulation frequency transformer, this device overcoming many shortcomings, such as huge in volume and high price. This device is more suitable for distributed application, therefore it is very easy to realize multiple outputs of the power.

Chip Technology Based on High Efficiency DC Power Supply

2014 ◽  
Vol 1030-1032 ◽  
pp. 1384-1387
Author(s):  
Hao Wang ◽  
Dian Ren Chen
Keyword(s):  
Power Supply ◽  
High Efficiency ◽  
Switching Power Supply ◽  
Switching Power ◽  
Turn On ◽  
Dc Power ◽  
Switching Transistor ◽  
Chip Technology ◽  
Off Time ◽  
Pipe Work

The switching power supply is the use of modern power electronics, by controlling the switching transistor turn-on and turn-off time ratio, maintaining a stable output voltage of the power supply. Switching power supply technology at the core, it is mainly divided into AC / DC and DC / DC two categories. Switching power supply eliminates bulky frequency transformers, replacing tens of kHz, MHz or even hundreds of kHz frequency transformer. Since the adjustment pipe work in the off state, and thus low power consumption and high efficiency.

A Flyback Switching Power Supply Based on L6561 for LED

2014 ◽  
Vol 960-961 ◽  
pp. 1264-1267
Author(s):  
Zhu Lei Shao
Keyword(s):  
Power Supply ◽  
Power Efficiency ◽  
Input Voltage ◽  
Maximum Output ◽  
Switching Power Supply ◽  
Output Current ◽  
Voltage Range ◽  
Switching Power ◽  
Switch Power Supply ◽  
Office Equipment

A flyback switching power supply was designed, which can drive LED stability. The switching power supply is the single-ended flyback structure, and based on PWM driver chip L6561. The input voltage range of the switching power supply is 85V to 265V. The output voltage is 15V and the maximum output current is 2A. The switch power supply is suitable for mobile phone, office equipment and LED. According to experiment, the switching power supply can steadily drive 5 LED, the ripple factor of output is 1.33%, the power efficiency is 85.7%.

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