实验表明，功率管的导通时间不宜太短。
It is shown that the conducting time of the power converter transistor should not be too short.
加热器可根据用户的要求设计成双功率管和单功率管。
Heater can be designed into double power tubes and single power tube according to the customers request.
大功率管在整机装配、调试及运行过程中常出现一些质量问题。
The great power tube often brings about some quality problems in the process of the whole machine assembly, regulation and operation.
由于其自身的结构与封装形式，塑封双极型功率管存在很多可靠性问题。
Plastic capsulation power bipolar transistor exists many reliability problems due to the structure and package style.
消除了功率管导通电阻受非线性和温度的影响而产生的检测误差，检测精度高。
It eliminates the detection error which produced by the non-linearity of the power MOSFET's on-state resistance and the temperature influence, which insures high detection precision.
可采用SPWM控制功率管的关闭与导通，采用外环电压环，内环电流环的双环控制。
We can use SPWM to control power tube on or off, can use the double-loop control with the inductance current inner loop and capacitor voltage outer loop is introduced.
保护电路对于VVVF系统的可靠性、延长装置的寿命及避免功率管损坏都起到决定性作用。
The protection circuit is playing the decisive role in the reliability of VVVF system, lengthening the life of the installment and avoiding the power tube broken.
该电路具有既能将负载电流限制在设定值以内，又能控制限流工作时功率管的开关频率等特点。
This circuit has both characters of restricting the current within the giving value and limiting the switching frequency of MOSFET operating on current limited condition.
本文重点从理论上分析了如何延长大功率管的寿命，以及怎样才能在实际电路中实施这一方案。
How to prolong the service life of high power vacuum tube and how to implement the proposed plan in practical circuits is discussed theoretically in this paper.
由于存在高温度、大电流等问题，传统的测试与老化筛选功率管的方法不能完全适用于功率裸芯片。
The traditional methods for power transistor cant apply to power bare die due to various reasons such as high temperature and high operating currents.
本计划以大功率管MOS管为核心原件，采用分立元件与集成运放相连合计划出的低频功率放大器。
The design for high-power MOS tube as the core original pipe, using discrete components and integrated operational amplifier combines the low-frequency power amplifier design.
系统主回路含三相全波整流桥电路，三对IGBT功率管组成的逆变器电路，制动电路及保护电路等。
The main loop includes a three-phase bridge, an inverter module with three IGBT power tubes, a braking circuit and protecting circuits, etc.
第五步：调末级功率管的静态电流，该电流值可以经由过程测功率管的发射极电阻的电压换算而得到。
Step five: tune the final stage power transistor quiescent current, the current value of the power tube by measuring the voltage of the emitter resistance Converter and get.
为了增加更多的死区时间，补偿功率管的切换瞬间短暂延时，增加了一个肖特基二极管，与栅极电阻。
The schottky diode bypasses the gate resistor in the gate discharge path, so that there is no falling edge delay. The delay at the rising edge adds dead time.
为防止功率管开关过程中对控制电路造成干扰，采用光电隔离的方法实现驱动电路和控制电路的隔离。
To prevent the control disturbance in the process of MOSFETs on-offs, Optoisolator circuit has been used to realize the isolation of the driving circuit and the control circuit.
为提高硅平面大功率管的成品率和可靠性，提出了一种刻蚀槽和低温钝化相结合的克服低击穿的硅平面枝术。
Silicon plane technique with etching groove and low temperature passivation is proposed to overcome low-breakdown for increasing the finished product rate and reliability of the plane powerful tube.
魔力风俗店头拿出其对6L6功率管和五个12AX7管前置管30瓦的丰富管音-一个坚实的基础功能丰富放大器！
The Custom Shop Duende Head puts out 30 watts of rich tube tone from its pair of 6L6 power tubes and five 12AX7 preamp tubes - a solid foundation for a feature-packed amp!
然后对DVR进行电压补偿过程中涉及到的对功率管、补偿电压输出以及整个DVR系统等的控制策略进行了探讨和分析。
Provided discussion and analysis for the control of IGBT, output of compensatory voltage and the control strategy of the whole DVR system.
为解决这些问题，我们对所使用的功率管进行了一系列试验，已摸索出一些比较简单的提高大功率器件可靠性的老化、筛选措施。
Seeking the solution, we have carried out series of tests on power tubes, and have found out simple ways to improve the great power apparatus reliability of aging, selection.
本文介绍了一种用SG3524开关稳压器构成廉价的IGBT功率管驱动电路，它具有电路简单、线性度好，适用范围广的特点。
This paper introduces a kind of the IGBT cheaper driven circuit being made up of SG3524 voltage regulator. It has the characteristics of circuit simple, linear circuit good and applicable range wide.
为了进行有关的实验，作者研制了一种基于SG3524和IGBT功率管PWM驱动电路，它是一种用于四旋翼直升机的PWM驱动电路。
Next, to conduct corresponding experiment, a kind of PWM drive circuit based on the SG3524 and the IGBT voltage regulator is developed, and it's a kind of PWM driven circuit for Quadrotor.
主电路采用具有无源辅助谐振网络的双管正激变换器，与普通双管正激变换器相比，功率管开关状态得到较好的改善，同时并没有增加电路的复杂性。
This paper introduces the circuit topology of portable inverter arc welder with soft snubber, mainly power circuit is a double switch forward converter with assistant resonant circuit.
主电路采用具有无源辅助谐振网络的双管正激变换器，与普通双管正激变换器相比，功率管开关状态得到较好的改善，同时并没有增加电路的复杂性。
This paper introduces the circuit topology of portable inverter arc welder with soft snubber, mainly power circuit is a double switch forward converter with assistant resonant circuit.
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