热负荷的改变方式、最高初始热负荷以及加热前表面状态均将显著影响T管的沸腾传热性能和滞后现象。
The heat transfer efficiency and boiling hysteresis are affected by the method to change heat loading, the maximum initial heat loading, and surface aging before heating.
它能有效的解决目前管式加热炉故障诊断及相应解决方案严重滞后的问题。
The seriously time-lagging problems of diagnosing malfunction and their relevant solving method for heat tubular-furnace have been efficiently solved.
为了实现软开关，引入超前管和滞后管的概念。
The concept of leading switches and lagging switches is introduced to realize soft-switching.
移相控制全桥变换器能够实现开关管的零电压开关，但滞后桥臂难度很大。
Phase - shifted converter realizes zero - voltage - switching with the use of leakage inductor of the main transformer, however, the realization of ZVS for lagging bridge leg is difficult.
移相控制全桥变换器能够实现开关管的零电压开关，但滞后桥臂难度很大。
Phase shifted converter realizes zero voltage switching (ZVS) with the use of leakage inductance of the main transformer, however, the realization of ZVS for lagging bridge leg is difficult.
而通过移相控制方式，利用开关管的结电容则实现了滞后管的零电压开关。
With the use of phase-shifted control mode and the junction capacitor of the switches, the lagging switches can realize ZVS under any load.
重点讨论了超前管、滞后管实现零电压开关的差异以及副边占空比丢失的原因。
The difference of leading switches and lagging switches to realize the zero-voltage switching and the reason of duty-cycle loss is emphatically argued.
分析了滞后臂串联二极管的全桥零电压零电流开关（ZVZCS）变流器的工作原理并给出了主要设计步骤。
The analysis and design of a ZVZCS FB-PWM converter with two diodes in series with the lagging leg is pre- sented.
这种抽油泵柱塞游动阀采用机械强制开启和关闭的结构，柱塞为等径光管、浮动结构，可防止发生气锁游动阀、阀球关闭滞后、砂卡柱塞现象。
The travelling valve of the pump is designed to be closed and opened forcibly, and the pump plunger adopts equal-diameter bare pipe with a floating structure to prevent gas lock and sand sticking.
本文报道了几种不同平均开口度的T管、低肋管和光管的沸腾传热性能及沸腾滞后现象。
The performance and hysteresis of boiling heat transfer of T-tube with different opening, low fin tube, and two kind of plain tubes have been studied experimentally.
为了使一次电流在零状态时减小到零后不再反方向流动，在两个滞后管中分别串入一个二极管。
In order to prevent the primary current from flowing in the reverse direction during zero state, two diodes are added in series with the lagging switches respectively.
为了使一次电流在零状态时减小到零后不再反方向流动，在两个滞后管中分别串入一个二极管。
In order to prevent the primary current from flowing in the reverse direction during zero state, two diodes are added in series with the lagging switches respectively.
应用推荐