Comparative tests of induction wattmeters . ? 1- -- y ? )- F^: J:::--;. r :;:-:|,.-:( t ;1 T t 1 —-* u 1 I 1 V 5 - , ?!:-- (.:-4:. J .-i t— tfc--~J ;?-?? im^^ , ( - fiB^^reji^s^y^ m&«iM* Port Wayne Induction Wattmeter Type K. Data showing the effect of change of voltage at 125,^load. Temperature = - ° factor = ,99Frequency = 60 cycles/sec. Current Voltage Registered i- It:-: 0; 0 fS- ?.7 ^^ Port Wajnie Induction Wattmeter Type K. Data showing the effect of change of voltage at 100^load. Temperature = 61.


Comparative tests of induction wattmeters . ? 1- -- y ? )- F^: J:::--;. r :;:-:|,.-:( t ;1 T t 1 —-* u 1 I 1 V 5 - , ?!:-- (.:-4:. J .-i t— tfc--~J ;?-?? im^^ , ( - fiB^^reji^s^y^ m&«iM* Port Wayne Induction Wattmeter Type K. Data showing the effect of change of voltage at 125,^load. Temperature = - ° factor = ,99Frequency = 60 cycles/sec. Current Voltage Registered i- It:-: 0; 0 fS- ?.7 ^^ Port Wajnie Induction Wattmeter Type K. Data showing the effect of change of voltage at 100^load. Temperature = - ° factor = .99Frequency = 60 cj?cles/sec. Voltage %Registered 5 t K K f Port Wayne Induction Wattmeter Type K. Data showing the effect of change of voltage at 76%load. Temperature = - ^ factor = .99Frequency *= 60 cycles/sec. Current Voltage %Registered load. Fort V/ayne Induction Wattmeter Type |^. Data showing the effect of change of voltage at 50^ Temperature = - F. Power factor = .99 Frequency = 60 cycles/sec. %Current Voltage Registered ^ & ^ ^ K 5. oa ? load. Fort Y/ayne Induction Wattmeter Type K. Data showing the effect of change of voltage at 20/^ Temperature = - ^ factor = 199Frequency = 60 cycles/sec. Voltage Registered i load. Fort Wayne Induction Wattmeter Type K. Data showing the effect of change of fregnenoy at 150/^ Potential = voltsTemperature = - ° factor = .99 Current Frequency %Registered 40 60 80 load. Port Wayne Induction T/7attmetei Type K. Data showing the effect of change of frequency at 150/^ Potential = voltsTemperature = - ° factor = .99 Curre


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