The meaning of ALTERNATING CURRENT is an electric current that reverses its direction at regularly recurring intervals —abbreviation AC.
The examples presented, which refer to both laboratory and pilot-plant measurements, illustrate the potential of the alternating-current monitoring of electrochemical processes that take place in a very large number of systems which, contrary to the requirements of the polarization-resistance technique, ...
Transformers are devices that convert an alternating current (AC) circuit of a certain voltage to a higher or lower value, without change of frequency, by electromagnetic induction. From: Handbook of Green Building Design and Construction, 2012 ...
couplers interconnect two signal sources to a signal utilization device. By virtue of the properties of the couplers and their interconnections there is achieved good signal isolation and low voltage standing wave ratios. Several examples of signal heterodyning devices such as mixers and modulators are...
new control strategy of shunt FACTS devices to improve the first swing stability limit of simple power system which provide significantly higher stability limit than that of bang- bang control (BBC). [11] Depicts the advantage of the use of ...
Unfortunately, many such devices are unsatisfactory because of large size, operational complexity, cost of manufacturing and difficulty in use. Furthermore, it is desirable to be able to vary the amount of electrical energy output of the nerve locator. Examples of the prior art are shown in U...
IEC 62271-108-2020 High-voltage switchgear and controlgear – Part 108:High-voltage alternating current disconnecting circuit-breakers for rated voltages above 52 kV 高压开关设备和控制设备第108部分: 额定电压52kV 以上的高压交流电隔离断路器.pdf,IEC 62271-
Self-regulating internal pole generators are also known, but in these machines the disadvantage prevails that self-regulation becomes possible only by the interarrangement of current transformers, rectifiers, or other additional devices. Besides, all machines of this kind are cos -dependent in accordanc...
To this end, we introduce additional slack variables, z¯, for the devices’ and loads’ power injections and for the line power flows and we reformulate the OPF problem as follows9 Conclusion In this first part of the paper we have focused on investigating the limits of the branch flow ...
“Electric switching device” is to be given a broad sense and covers not only such ones having a mechanical movement between different parts for obtaining an opening through physical separation of two parts in the current path, but also semiconductor devices, such as IGBTs or the like, which...