 Fig. 59. simply moving the rocker-arm. If only slightly out of position, heating alone may result, without disarrangement being bad enough to show sparking. If the brushes are not exactly opposite in a bipolar, 90° apart in a four-pole machine, and so...  Electrical Engineer - Сторінка 2741891Повний перегляд - Докладніше про цю книгу
 | Francis Bacon Crocker, Schuyler Skaats Wheeler - 1892 - 126 стор.
...neutral point. Symptom.—Sparking varied by shifting the brushes with rocker-arm. REMEDY.—Carefully shift brushes back and forth until sparking is reduced...bars or measuring with a piece of string or paper. Ji Fias. 1, 2 AND 3.—1. COMMUTATOR IN GOOD CONDITION. 2. COMMUTATOR IN BAD CONDITION. 3. HIGH BAR... | |
 | Francis Bacon Crocker, Schuyler Skaats Wheeler - 1892 - 124 стор.
...shifting the brushes with rocker-arm. REMEDY.— Carefully shift brushes back and forth until sparkmg is reduced to a minimum. This may be done by simply...bars or measuring with a piece of string or paper. Fias. 1, 2 AND 3.— 1. COMMUTATOR IN GOOD CONDITION. 2. COMMUTATOR IN BAD CONDITION. 3. HIGH BAR ON... | |
 | 1905 - 480 стор.
...If the brushes are not exactly opposite in a bipolar, 90° apart in a four-pole machine, and so on, they should be made so, the proper points of contact being determined by counting the commutator-bars or by careful measurement. The usual position for brushes is opposite the spaces between... | |
 | 1906 - 590 стор.
...If the brushes are not exactly opposite in a bipolar, 90° apart in a four-pole machine, and so on, they should be made so, the proper points of contact being determined by counting the commutator-bars or by careful measurement. The usual position for brushes is opposite the spaces between... | |
 | Francis Bacon Crocker, Schuyler Skaats Wheeler - 1906 - 252 стор.
...sparking. If the brushes are not exactly opposite, or in a four-pole machine 90° apart, and so on, they should be made so, the proper points of contact being determined by counting the commutator-bars, by measuring with a strip of paper, or by separately adjusting each set of brushes... | |
 | Howard Monroe Raymond - 1906 - 662 стор.
...brushes are not exactly opposite ln a bipolar, 90° apart in a four-pole machine, and so on, they 8Wld be made so, the proper points of contact being determined by counting the commutator-bars or by careful measurement. The usual position for brushes is opposite the spaces between... | |
 | Louis Derr - 1910 - 524 стор.
...the brushes are not exactly opposite in a bipolar, i«)0° apart in a four-pole machine, and so on, they should be made so, the proper points of contact being determined by counting the commutator-bars or by careful measurement. The usual position for brushes is opposite the spaces between... | |
 | 1913 - 420 стор.
...If the brushes are not exactly opposite in a bipolar, 90° apart in a four-pole machine, and so on, they should be made so, the proper points of contact being determined by counting the commutator-bars or by careful measurement. The usual position for brushes is opposite the spaces between... | |
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