Electric Power Generation, Transmission, and Distribution

Cable components 1–4 comprise the cable core, which in cross-section, is a capacitor with the conductor shield and insulation sh ...

Cable Splice Cable Elbow Termination Cable Outdoor Termination FIGURE 12.5 Cable accessories. Metallic Shield Metallic Shield IA ...

a side-wall bearing force against the inside surface of the elbow. This force must be limited to avoid crushing the cable compon ...

Ampacity Iamp¼ ffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffi TcTa RacRth r , whereTc ¼conductor temperature Ta ¼ambient temp ...

General References Aluminum Electrical Conductor Handbook, edited by Mark Walker, The Aluminum Association, 1982. ANSI=IEEE 575- ...

13 Transmission Line Parameters Manuel Reta-Herna ́ndez Universidad Auto ́noma de Zacatecas 13.1 Equivalent Circuit ............ ...

A transmission line is defined as a short-length line if its length is less than 80 km (50 miles). In this case, the shut capaci ...

If AC current is flowing, rather than DC current, the conductor effective resistance is higher due to frequency or skin effect. ...

ACSR is one of the most used conductors in transmission lines. It consists of alternate layers of stranded conductors, spiraled ...

voltage but are always used at 345 kV and above to limit corona. To maintain the distance between bundle conductors along the li ...

SubstitutingEqs. (13.7)and(13.8)in Eq. (13.6)we can obtain the conductor ampacity at given temperatures I¼ ffiffiffiffiffiffiffi ...

Ampere’s law determines the magnetic field intensityHx, constant at any point along the circle contour as Hx¼ Ix 2 px ¼ I 2 pr^2 ...

The differential flux dfenclosed in a ring of thickness dy, from pointD 1 to pointD 2 , for a 1-m length of conductor is df¼Bydy ...

wherelAAP¼flux linkage from magnetic field of conductor A on conductor A at pointP lABP¼flux linkage from magnetic field of cond ...

L 1 - phase system¼ l I ¼ m 0 p ln D GMR  ðÞH=m (13:35) Comparing Eqs. (13.25) and (13.35), it can be seen that the inductance ...

fAAP¼ m 0 2 p IAln DAP GMRA  ðÞWb=m (13:41) fABP¼ m 0 2 p IBln DBP DAB  ðÞWb=m (13:42) fACP¼ m 0 2 p ICln DCP DAC  ðÞWb=m ...

lABP¼ ðDBP DAB BBPdP¼ m 0 2 p IBln DBP DAB  ðÞWb=m (13:46) lACP¼ ðDCP DAC BCPdP¼ m 0 2 p ICln DCP DAC  ðÞWb=m (13:47) wherel ...

With nine different inductances in a simple three-phase system the analysis could be a little more complicated. However, a singl ...

For bundle conductors, the GMRbundlevalue is determined, as in the single-phase transmission line case, by the number of conduct ...

EP¼ DensityP « ¼ q 2 p« 0 x ðÞV=m (13:60) where DensityP¼electric flux density at pointP EP¼electric field intensity at pointP A ...