KSIĄŻKI POWIĄZANE ZE SŁOWEM «SYNCHRONOSCOPE»
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1
Alternating Current Machines
In case of high-voltage alternators, the lamps are connected through transformers
to obtain the nominal voltages for which lamps are rated. synchronoscope
synchronization. In large central station installations, an additional device called
a ...
2
Power System Engineering
In case of high-voltage altemators, the lamps are connected through transformers
to obtain the nominal voltages for which lamps are rated. synchronoscope
synchronization. In large central station installations, an additional device called
...
A synchronoscope is used for synchronizing and for better accuracy. The
instrument indicates when the voltages on the bus side and the machine side are
exactly in phase with each other or are in synchronism. A lamp transformer is
also used ...
1 and temporarily connecting it to the terminal of the insulated brush on this ring,
the synchronoscope will still be connected across rings 1 and 4. Therefore, the
rotation of the synchronoscope, position of the pointer when the machine is in ...
5
The Evolution of American Educational Technology
Other early variations of the sound film were Whitman's Cameraphone (1904),
Powers's Fotofone (1910), and Greenbaum's Synchronoscope (1908). In 1923,
Lee De Forest gave a public showing of the Phonofilm in New York City. The first
"all ...
how the phase difference is taken care _of in an actual case of synchronizing. 1.
G. P. (N. J.) As stated in the answer to this question 2065 an induction type
synchronoscope will give three distinct indications; first, which of the two
machines has ...
The synchronoscope (previously called “synchroscope”) appeared to rotate
correctly and it was noticed that when_ the incoming machine was running
slightly fast and was thrown in at synchronism, there was not a bit of trouble, but
when the ...
8
Electric Machines: Extracts, Examples, Exercises and Questions
Synchronoscope can be used for permanently connected Alternators where the
correctness of phase sequence is already checked by other means.
Synchronoscope is capable of rotating in both.directions. The rate of rotation of
the pointer ...
It should be noted that in making the adjustment, the frequency difference must
be zero so that the pointer of the synchronoscope is floating around the point of
the selected phase displacement angle at which contacts IV are wanted to close.
Westinghouse Electric & Manufacturing Company
10
Elements Of Electrical Power Station Design
In addition to a bright lamp which is connected across the auxiliary voltage
transformer, a synchronoscope is used as shown in Figure 11.17. At the correct
position of phases, the synchronoscope pointer shows zero or centre position ...