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IEVref:131-11-26ID:
Language:enStatus: Standard
Term: phasor
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Definition: representation of a sinusoidal integral quantity by a complex quantity whose argument is equal to the initial phase and whose modulus is equal to the root-mean-square value (103-02-03)

Note 1 to entry: For a quantity a(t)=A 2 cos(ωt+ ϑ 0 ) MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdi9qqqj=hEeeu0lXdbb a9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9 q8qiLsFr0=vr0=vr0db8meaabaGacmGadiWaaiWabaabaiaafaaake aacaWGHbGaaiikaiaadshacaGGPaGaeyypa0Jaamyqamaakaaabaac baqcLbuacaWFYaaaleqaaOGaci4yaiaac+gacaGGZbGaaGjbVlaacI cacqaHjpWDcaaMc8UaamiDaiabgUcaRiabeg9aknaaBaaaleaajug4 aiaa=bdaaSqabaGccaGGPaaaaa@4EF4@ the phasor is Aexpj ϑ 0 MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdi9qqqj=hEeeu0lXdbb a9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9 q8qiLsFr0=vr0=vr0db8meaabaGacmGadiWaaiWabaabaiaafaaake aacaWGbbGaaGjbVlGacwgacaGG4bGaaiiCaiaaysW7caGGQbGaeqy0 dO0aaSbaaSqaaGqaaKqzGdGaa8hmaaWcbeaaaaa@451C@ . Electric current phasor I _ MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdi9qqqj=hEeeu0lXdbb a9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9 q8qiLsFr0=vr0=vr0db8meaabaGacmGadiWaaiWabaabaiaafaaake aadaadaaqaaiaadMeaaaaaaa@3A6B@ and voltage phasor U _ MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdi9qqqj=hEeeu0lXdbb a9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9 q8qiLsFr0=vr0=vr0db8meaabaGacmGadiWaaiWabaabaiaafaaake aadaadaaqaaiaadwfaaaaaaa@3A77@ are often used.

Note 2 to entry: The similar representation with the modulus equal to the amplitude is sometimes also called "phasor". See 103-07-14.

Note 3 to entry: A phasor can also be represented graphically.


Publication date:2013-08
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