mõõtemudeli sisendsuuruste mõõtehälvete summa, under steady-state conditions, the r.m.s. value of the difference between the instantaneous values of the primary current, andthe instantaneous values of the actual secondary current multiplied by the rated transformation ratio,the positive signs of the primary and secondary currents corresponding to the convention for terminal markings, liitsuhthälve, mis on arvutatud mõõtmisel saadud tulemuse põhihälbe ja mõjuritest tingitud lisamõõtehälbe alusel, percentage error calculated from the measured values of the intrinsic error and the additional percentage error due to influence quantities