helps you to visualize your business, understand how a process delivers value, identify leading and lagging key performance indicators, consider the process through the point of view of the customer, crosslink disparate information, provide you with a common language about the process and provide ...
The international community and Iraqis must focus on a leading economic role for women. Participants discussed the current status of women in Iraq–and the challenges and options for the future–during a series of meetings hosted by USIP... Y Bajraktari - 《United States Institute of Peace》...
This paper describes a new double-group, two-quadrant thyristor-based concept suitable for high current, where several thyristor and insulated gate bipolar transistor bridges are paralleled. By using a combination of leading and lagging firing angles, high power-factor is maintained and supplying ...
The secondary side is composed of a resonant tank and a half-wave rectifier. Without an auxiliary circuit, zero-voltage switching (for leading-leg switches) and zero-current switching (for lagging-leg switches) are achieved in the entire operating range. To implement the converter without an ...
This study used two approaches to collect data from the online stores of the two leading supermarket retailers in Australia, Woolworths and Coles. These two supermarkets together account for approximately two-thirds of the total market share [17]; the next largest supermarket, Aldi, has less than...
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 ...
Fig. 4 - Leading and lagging phases. Fig. 5 - Phase vectors (phasors). Phase angles are often indicated by means of drawings such as those in Fig. 5. Here, arrows instead of sine waves are used to represent the current and voltage. These arrows are known as vectors...
Phase-shifted modulation strategy is employed, the leading switches realize ZVS, and the lagging switches realize ZCS. The operation principle of the proposed converter is analyzed and verified by experimental results. Several other ZVZCS PWM PP-TL converters are also proposed in this paper. 展开 ...
The conditions for assuring ZVS of the leading switch and ZCS of the lagging switch are found. Design constraints on the parallel ca- pacitances of the switches of the leading switch, on the snubber's holding capacitor, and on the additional inductance and winding are hence established, ...
In a healthy person, the duration of acute wound treatment lasts about 2 weeks While chronic wounds have lagging or stagnant healing and it takes occasionally up to 3–4 weeks. Some conditions can be the reason for chronic ulcers such as diabetes, chemical agents, autoimmune diseases, ...