{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Mathcad - 05-02 - I lsec 62.354 44.504j − amp = I lsec V...

Info icon This preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
CapRating 10.681 KV amp = CapRating Q := To correct to unity power factor, a capacitor must offset the inductive reactive power of the load: Z in 2.295 10 3 × 1.638j 10 3 × + Ω = Z in a 2 Z lsec := To find the input impedance, multiply the load impedance by turns ratio squared: reactive Q 10.681 KV amp = P 14.965 kW = S 1.497 10 4 × 1.068j 10 4 × + watt = Q Im S ( ) := P Re S ( ) := S V s1 I lsec := S = P + jQ = VI* I lpri 2.078 1.483j amp = I lpri I lsec a := so the primary side current is the secondary current divided by "a" a 30 = a V prated V s1 := the turns ratio is:
Image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: I lsec 62.354 44.504j − amp = I lsec V s1 Z lsec ( ) := since the voltage is 240: Z lsec 2.55 j 1.82 ⋅ + ( ) ohm ⋅ := V prated 7200 volt ⋅ := V s1 240 volt ⋅ := Problem 5-2 Solution: The load on the above transformer is 2.55+j1.82 ohms at the 240 volt terminals. Find P and Q to the load, the input impedance of the transformer and load, and the KVAR rating of a capacitor to correct the load to unity power factor....
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern