c) Unsymmetrical phasors can be expressed in terms of their symmetrical components as 图-E [1 11Fao a2 a Fai a. where F stands for any three-phase quantity. Conversely, the sequence components of three-phase unsymmetrical phasors can be written as -非:旧 [Faol [1 1[Fa] a2 ||F a2 1 1 Fa1 Faz %3D Let the sequence components for phase A of the line-to-neutral voltage be derived from your student number as: Vao = 2X00° V, V = 2Y0Z- 45° V, V2 = 2Y0Z1X0° where X and Y are the last two digits of your student number. For example, if your student number is c1700123, then V, = 2304120° V. (i) Calculate in polar form the line-to-neutral voltages corresponding to the sequence components. (ii) Calculate in polar form the sequence components for phases B and C of the line-to-neutral voltages.

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X=2 Y=8
c) Unsymmetrical phasors can be expressed in tems of their symmetrical
components as
=1 a?
Fa1
a]Fa2
a
where F stands for any three-phase quantity. Conversely, the sequence
components of three-phase unsymmetrical phasors can be written as
[Fao
1[Fa
a2F.
[1
1
3.
1
a
a2
Let the sequence components for phase A of the line-to-neutral voltage be
derived from your student number as:
= 2X020° V, Vai = 2Y0Z - 45 V, Vaz = 2Y0Z1X0°
where X and Y are the last two digits of your student number.
Vao
%3D
For example, if your student number is c1700123, then V,, = 2304120° V.
(1) Calculate in polar form the line-to-neutral voltages corresponding to the
sequence components.
(i) Calculate in polar form the sequence components for phases B and C of
the line-to-neutral voltages.
Transcribed Image Text:c) Unsymmetrical phasors can be expressed in tems of their symmetrical components as =1 a? Fa1 a]Fa2 a where F stands for any three-phase quantity. Conversely, the sequence components of three-phase unsymmetrical phasors can be written as [Fao 1[Fa a2F. [1 1 3. 1 a a2 Let the sequence components for phase A of the line-to-neutral voltage be derived from your student number as: = 2X020° V, Vai = 2Y0Z - 45 V, Vaz = 2Y0Z1X0° where X and Y are the last two digits of your student number. Vao %3D For example, if your student number is c1700123, then V,, = 2304120° V. (1) Calculate in polar form the line-to-neutral voltages corresponding to the sequence components. (i) Calculate in polar form the sequence components for phases B and C of the line-to-neutral voltages.
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