Electrical installations of electric light, power, traction and industrial electrical machinery (1902)
Kennedy, Rankin, d. 1917 · Edinburgh T.C. & E.C. Jack · leaf 94
ng measurementsof watts. In alternating mea.surements we have to consider the factthat the ma.ximum electric pressure may not coincide with the maxi-mum current ; the pressure may reach its maximum value when the 7^ Alternating Power Measurement current has only reached a small fraction of its…
Electrical engineering · Electric power
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