Comparative tests of induction wattmeters . Duncan Induction V/attmeter Type A. Data showing the effect of change of load at norraalvoltage and frequency, and 50^ power = voltsTemperatui-e = ° factor = .491Frequency = 60 cycles/sec. Current Watt-hoursmeasured Watt-hoursregistered registered 66 57 44 53 21 16 13 9 : 4 ?•?^•r--~~r- . ~, I V V ol ? «r?!^ 1 ! ? 1 Dvmcan Induction Wattmeter Type A. Data showing the effect of change


Comparative tests of induction wattmeters . Duncan Induction V/attmeter Type A. Data showing the effect of change of load at norraalvoltage and frequency, and 50^ power = voltsTemperatui-e = ° factor = .491Frequency = 60 cycles/sec. Current Watt-hoursmeasured Watt-hoursregistered registered 66 57 44 53 21 16 13 9 : 4 ?•?^•r--~~r- . ~, I V V ol ? «r?!^ 1 ! ? 1 Dvmcan Induction Wattmeter Type A. Data showing the effect of change of load at normalvoltage and frequency, and unity power = voltsTemperature = 82° factor =.99Frequency = 60 cycles/sec. C\i3?-rent Watt-hoursmeasured V/att-iioursregistered Registered 132 . 109 86 63 42 33 25 16 9 Dvuncan Induction Wattmeter Type A. Data showing the effect of change of load at normalvoltage and frequency, and unity power = voltsTemperature = ° factor = 60 cycles/sec. Current Watt-hoursmeasured Watt-hoursregistered registered 135 113 86 65 42 33 25 15 7 :?;-.:;?:- .-:_ii.;^.i;.i-: ? ^ i: -TTir I! :jJ!rrrrr~grrjT IMl^ 1 Wr-r- i j vl ?s b ? ^ t ? >a K 10 » -^ - ?*- ^ s: - - $ 1 ? 5 i i { 1\ 1 1 \ O t <S - taiit23aiixkuie Duncan Induction T7attmeter Type A. Data shovfing the effect of change of load at normalvoltage and frequency, and unity power = voltsTemperature = ^ factor = .99Frequency = 60 cycles/see. Current Watt-hoursmeasured Watt-hoursregistered registered 137 113 86 66 9


Size: 1357px × 1841px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, bookidcomparativet, bookyear1907