Can any one of you clarify me the following?

I want to transmit a power of 6.6kV, 450 Hz through a distance of 50 meters. Can a power cable designed for 50 Hz, 6.6 kV be use for the above purpose?

What will be the effect in the increase in the frequency? If so utilised what will be the impact? My email address is [email protected]

- Veda

 

Responding to N. Vedachalam's query:

Of course you can! The same formulas used for 50 Hz are adequate for 450 Hz. Now for the caveat...

You must compensate for the 9-fold increase in inductive reactance. To a lesser degree, you must consider the 9-fold decrease in capacitive reactance. Then, too, there are adjustments for effective inductivity and resistance increase depending on construction. i.e., single-core, multiple-core, core material, round or segmented, and type of sheath or shield.

If you need additional information just ask.

Regards,
Phil Corso, PE {Boca Raton, FL, USA}
[[email protected]] ([email protected])

 

Hi

Well you can use the cable, but do not exceed the current carrying capacity.

 

Yes it is possible to use a regular MV cable. The frequency increase modifies the current distribution in the cable (skin effect). To play
safe you can use the same cable section as you would use for 50 Hz for a specific power.

Albert

 

Further to NV's query of Wed, Jan 5, 8:42am:

Is current 10 Amp per core? Or 3.3333 Amp per core?

Regards,
Phil Corso, PE {Boca Raton, FL, USA}
[[email protected]] ([email protected])