Powerline cable count and engineering question (HV power distribution lines)

Click For Summary
SUMMARY

The discussion centers on the configuration and engineering of high voltage power distribution lines, specifically 110kV and 330kV systems. Participants confirm that 330kV lines can utilize bundled conductors to increase current capacity without requiring a neutral wire, as three-phase systems inherently balance loads. The presence of both 110kV and 330kV lines on the same posts is justified for operational flexibility, allowing for different load types and redundancy during outages. Additionally, the design of substations ensures that power can be rerouted effectively in case of faults, similar to train tracking systems.

PREREQUISITES
  • Understanding of three-phase power systems
  • Knowledge of high voltage transmission line engineering
  • Familiarity with electrical load balancing concepts
  • Basic principles of electrical substations and transformers
NEXT STEPS
  • Research "Bundled conductors in high voltage transmission" for insights on increasing capacity.
  • Explore "Electrical substation design and operation" to understand power distribution mechanisms.
  • Learn about "Three-phase power systems" and their advantages in electrical engineering.
  • Investigate "Fault detection in power lines" to understand how outages are managed and localized.
USEFUL FOR

Electrical engineers, power system designers, utility operators, and anyone involved in high voltage transmission line management will benefit from this discussion.

  • #31
Baluncore said:
Power line engineering is a complicated compromise, it is hard to guess what parameters were most important during the design.

Well said, and nearly complete list of design considerations.
 
Engineering news on Phys.org
  • #32
I think the word compromise, has been vilified, and particularly to some more idealistic engineering types. One way to see this is an equation, with many possible solutions - and the best one(s) include many variables ( arguments).
 

Similar threads

AC-DC Power Supply Modules: Non-Isolated Topology
  • · Replies 11 ·
Replies
11
Views
2K
Why are modern street powerlines wrapped together?
  • · Replies 12 ·
Replies
12
Views
2K
Identifying overhead power lines (esp. UK)
  • · Replies 20 ·
Replies
20
Views
5K
Electric Field distribution around two-conductor cable
  • · Replies 5 ·
Replies
5
Views
2K
AC generator output voltage to grid question
  • · Replies 4 ·
Replies
4
Views
3K
Convert 1 phase to 3 phase by using an old washing machine
  • · Replies 19 ·
Replies
19
Views
4K
Overhead Lines vs Power Cables - Question on Insulation
  • · Replies 1 ·
Replies
1
Views
2K
Power Dissipation along power lines and Resistance value
  • · Replies 9 ·
Replies
9
Views
5K
Required current rating of 3-phase power system
  • · Replies 1 ·
Replies
1
Views
7K
Phase difference in long runs of wire
  • · Replies 11 ·
Replies
11
Views
2K