1英语翻译There are three kinds of circuits:the series circuit,the parallel circuit,and the series-parallel circuit .They are shown in fig.1 In a circuit,each of the parts has some resistance:the electrical source or the signal generator,the connecting conductors connecting conductors,and the appa...
英语翻译麻烦翻译这段英语,A three-phase circuit is merely a combination of three single-phase circuits.Because of this fact,current,voltage,and power relations of balanced three-phase circuits may be studied by the application of single-ph
Method for direct current braking of a three-phase asynchronous machine, and circuit arrangement for carrying out the method A method for D.C. braking a three-phase asynchronous machine and a circuit arrangement useful in implementing the method. For braking, the first and third stator windings ...
aThe three operating modes for UHV lines are double-circuit, one-circuit ungrounded, and one-circuit grounded. The 98% probability switching overvoltages for different operating modes are listed in Table 3. 三种操作方式为UHV线是双重电路、被着陆的一电路无理由和一电路。 98%可能性开关overvoltages...
Three mounted officers drawn from No 1 Guard give drill commands during the parade. The most senior is the Field Officer in Brigade Waiting a Lieutenant Colonel, assisted by the Major of the Parade. The Field Officer occupies a central position on the parade ground. The third mounted officer ...
Balanced three-phase systems, whose voltages are sinusoidal and of equal magnitude and have a phase shift of 120°, are the most common. Each phase of a three-phase system may constitute an independent electric circuit, or the phases may be electrically interconnected. Electrically interconnected ...
28.John set up the circuit below with three batteries and five similar bulbs A, B, C, D and E. One of the bulbs had fused, resulting in some bulbs being lighted and others not.D A...⑧C EI|H BWhich one of the following describes the bulbs correctly?2A BC(1)D lighted Enot ...
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Each cylinder therefore is encased in a water jacket, which forms part of a circuit through which water is pumped continuously, and cooled by means of air drawn in from the outside atmosphere by large rotary fans, worked off the main crankshaft(曲轴). 因而,每个气缸都围有一个水套,水套形成循...