Transactions of the American Institute of Electrical Engineers, Volume 34American Institute of Electrical Engineers., 1915 - Electric engineering "Index of current electrical literature," Dec. 1887- appended to v. 5- |
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Page 1585
... meter , the true power and the power factor be known , there are sufficient data to determine this phase angle . Methods for obtaining and using the data just mentioned , are outlined in this paper . Further , it may be noted that by ...
... meter , the true power and the power factor be known , there are sufficient data to determine this phase angle . Methods for obtaining and using the data just mentioned , are outlined in this paper . Further , it may be noted that by ...
Page 1587
... and this last watt- meter reading be W2 . Then , - W2 E2 I2 cos ( 0 + B ) = = EI1 cos ( 0 ± B ) ( 2 ) I usually leads I by the angle B. Under these conditions the positive sign is taken when the 1915 ] 1587 DAWES : CURRENT TRANSFORMERS.
... and this last watt- meter reading be W2 . Then , - W2 E2 I2 cos ( 0 + B ) = = EI1 cos ( 0 ± B ) ( 2 ) I usually leads I by the angle B. Under these conditions the positive sign is taken when the 1915 ] 1587 DAWES : CURRENT TRANSFORMERS.
Page 1591
... Meters in Primary V1 E Wi cos ( -a ) 0 - a 120.0 34.25 5.00 87.5 0.5105 59 ° 18 ' Meters in Vi E1 I W1 cos ( 8 - T + B ) 0 - TXB Secondary 120.0 34.25 5.00 86.0 0.502 59 ° 52 ' B + α - r 34 ' a = 12 ' T = 7 ' ( From inductance of ...
... Meters in Primary V1 E Wi cos ( -a ) 0 - a 120.0 34.25 5.00 87.5 0.5105 59 ° 18 ' Meters in Vi E1 I W1 cos ( 8 - T + B ) 0 - TXB Secondary 120.0 34.25 5.00 86.0 0.502 59 ° 52 ' B + α - r 34 ' a = 12 ' T = 7 ' ( From inductance of ...
Page 1593
... Meters in Primary Vi Ei I1 Wi COS 8 8 የ 8 + 4 = 0 120.0 31.2 5.0 84.0 0.5385 57 ° 25 ' 1 ° 1 ' 58 ° 26 ' Meters in Secondary Vi Ei W2 cos ( 0 + 8-1 ) 0 + B - Y 120.2 31.2 5.0 81.0 0.519 58 ° 44 ' B - T 18 ' T = 6 ' formula ( 11 ) β ...
... Meters in Primary Vi Ei I1 Wi COS 8 8 የ 8 + 4 = 0 120.0 31.2 5.0 84.0 0.5385 57 ° 25 ' 1 ° 1 ' 58 ° 26 ' Meters in Secondary Vi Ei W2 cos ( 0 + 8-1 ) 0 + B - Y 120.2 31.2 5.0 81.0 0.519 58 ° 44 ' B - T 18 ' T = 6 ' formula ( 11 ) β ...
Page 1594
... Meters in Vi E : In Wi cos ( 0 - B - T ) ( B - B - T ) Secondary 118.0 61.2 5.0 160.0 0.5225 58 ° 30 ' B + T = 40 ' T = 12 ' formula ( 11 ) B = 28 ' Capacity ( 4.41 ) Meters in Vi Ει Wi COS 8 8 + 4 = 0 Primary 120.0 53.1 5.0 125.0 0.471 ...
... Meters in Vi E : In Wi cos ( 0 - B - T ) ( B - B - T ) Secondary 118.0 61.2 5.0 160.0 0.5225 58 ° 30 ' B + T = 40 ' T = 12 ' formula ( 11 ) B = 28 ' Capacity ( 4.41 ) Meters in Vi Ει Wi COS 8 8 + 4 = 0 Primary 120.0 53.1 5.0 125.0 0.471 ...
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1953 | |
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2601 | |
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2693 | |
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2781 | |
vi | |
15 | |
40 | |
89 | |
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Common terms and phrases
alternating current amount amperes apparatus applied armature average brush cable capacity catenary cent charges coil conductor connected considerable considered construction contactor copper corona cost curve customers cycles density determined dielectric direct current electric energy Engineers equation feeder field flux frequency given hanger heat impulse ratio increase indicated installed insulation load factor machines magnetic maximum demand measured meter method miles moisture mutual inductance necessary neutral normal obtained ohms operation overhead pantagraph paper phase power factor practically reactance relay resistance short circuit shown in Fig shunt sine wave skin effect slots spacing spark-over voltage sphere steam steel strain insulators strip substations supply switch Table telephone temperature terminals tests third harmonic third rail three-phase tion track transformer trolley wire tubes two-phase volts wattmeter winding zero