Reasons for unsuitability of belted type cable constructions above 22kV

Q.  Why the belted type cable constructions are not suitable for voltages exceeding 22 kV?
- Published on 18 Dec 15

a. Development of both radial and tangential stress
b. Formation of vacuous spaces and voids on loading and unloading owing to non homogeneity of dielectric in belted construction
c. Local heating caused by power loss at the centre filling
d. All of the above

ANSWER: All of the above

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