## Alternating Currents and Transients: Treated by the Rotating Vector Method |

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### Contents

Introduction | 1 |

Vectors and Vector Operators Section 1 Definition of a Unit Vector | 4 |

Derivation of a Vector from a Unit Vector | 5 |

Copyright | |

80 other sections not shown

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### Common terms and phrases

admittance alternating current alternating-current amperes amplitude angle anode applied circuit shown condenser considered const constant angular velocity constant magnitude corresponding cosh currents and potentials damped electric oscillation Delta-connected direction electrical constants energy associated equal equation exponentially expression factor free oscillation frequency given hyperbolic functions illustrated in Fig impedance instant instantaneous value isochronous Kirchhoff's second law line currents line e.m.fs load lOOrrt Max Wien mean value microfarads negative resistance neutral point ohms operand operator oscillatory circuit parallel period phase polyphase systems potential difference primary circuit pure capacity pure inductance pure resistance Putting quantities reactance result ri and r2 rir2 root-mean-square value rotating with constant scalar form scalar product second circuit shown in Fig Similarly sine-wave form sinh PI solution unit vector vector form vector of constant vectorial method vectors representing wattmeters watts wave form zero