13.1.2 Line And Current
- 1. !
- 2. !
- 3. !
- 4. !
- 5. !
- 6. !
- 7. VL = VP (delta)
- 8. !
- 9. IL = √ 3 IP (delta)
- 10. L1 Red L3 Blue L2 White
- 13. Comparisons between Star and Delta connected systems Star (Y) Delta (∆) Similar ends connected Dissimilar ends connected For balanced or unbalanced loads More suitable for balanced loads VL = √ 3 Vp VL = VP IL = Ip IL = √ 3 Ip Two values of voltage available One common voltage only available Has common connection available No common earthing point for earthing VL leads V by 30°E IL leads I, by 30°E Suited to long-distance power Suited to locally operated machinery * transmission * * Both connections have their advantages in the distribution of electrical power and both are used in situations dependent on local conditions and requirements.
- 14. Comparisons between Star and Delta connected systems Star (Y) Delta (∆) Similar ends connected Dissimilar ends connected For balanced or unbalanced loads More suitable for balanced loads VL = √ 3 Vp VL = VP IL = Ip IL = √ 3 Ip Two values of voltage available One common voltage only available Has common connection available No common earthing point for earthing VL leads V by 30°E IL leads I, by 30°E Suited to long-distance power Suited to locally operated machinery * transmission * * Both connections have their advantages in the distribution of electrical power and both are used in situations dependent on local conditions and requirements.
- 15. Comparisons between Star and Delta connected systems Star (Y) Delta (∆) Similar ends connected Dissimilar ends connected For balanced or unbalanced loads More suitable for balanced loads VL = √ 3 Vp VL = VP IL = Ip IL = √ 3 Ip Two values of voltage available One common voltage only available Has common connection available No common earthing point for earthing VL leads V by 30°E IL leads I, by 30°E Suited to long-distance power Suited to locally operated machinery * transmission * * Both connections have their advantages in the distribution of electrical power and both are used in situations dependent on local conditions and requirements.
- 16. Comparisons between Star and Delta connected systems Star (Y) Delta (∆) Similar ends connected Dissimilar ends connected For balanced or unbalanced loads More suitable for balanced loads VL = √ 3 Vp VL = VP IL = Ip IL = √ 3 Ip Two values of voltage available One common voltage only available Has common connection available No common earthing point for earthing VL leads V by 30°E IL leads I, by 30°E Suited to long-distance power Suited to locally operated machinery * transmission * * Both connections have their advantages in the distribution of electrical power and both are used in situations dependent on local conditions and requirements.
- 17. Comparisons between Star and Delta connected systems Star (Y) Delta (∆) Similar ends connected Dissimilar ends connected For balanced or unbalanced loads More suitable for balanced loads VL = √ 3 Vp VL = VP IL = Ip IL = √ 3 Ip Two values of voltage available One common voltage only available Has common connection available No common earthing point for earthing VL leads V by 30°E IL leads I, by 30°E Suited to long-distance power Suited to locally operated machinery * transmission * * Both connections have their advantages in the distribution of electrical power and both are used in situations dependent on local conditions and requirements.
- 18. Comparisons between Star and Delta connected systems Star (Y) Delta (∆) Similar ends connected Dissimilar ends connected For balanced or unbalanced loads More suitable for balanced loads VL = √ 3 Vp VL = VP IL = Ip IL = √ 3 Ip Two values of voltage available One common voltage only available Has common connection available No common earthing point for earthing VL leads V by 30°E IL leads I, by 30°E Suited to long-distance power Suited to locally operated machinery * transmission * * Both connections have their advantages in the distribution of electrical power and both are used in situations dependent on local conditions and requirements.
- 19. Comparisons between Star and Delta connected systems Star (Y) Delta (∆) Similar ends connected Dissimilar ends connected For balanced or unbalanced loads More suitable for balanced loads VL = √ 3 Vp VL = VP IL = Ip IL = √ 3 Ip Two values of voltage available One common voltage only available Has common connection available No common earthing point for earthing VL leads V by 30°E IL leads I, by 30°E Suited to long-distance power Suited to locally operated machinery * transmission * * Both connections have their advantages in the distribution of electrical power and both are used in situations dependent on local conditions and requirements.
- 20. Comparisons between Star and Delta connected systems Star (Y) Delta (∆) Similar ends connected Dissimilar ends connected For balanced or unbalanced loads More suitable for balanced loads VL = √ 3 Vp VL = VP IL = Ip IL = √ 3 Ip Two values of voltage available One common voltage only available Has common connection available No common earthing point for earthing VL leads V by 30°E IL leads I, by 30°E Suited to long-distance power Suited to locally operated machinery * transmission * * Both connections have their advantages in the distribution of electrical power and both are used in situations dependent on local conditions and requirements.
- 21. Comparisons between Star and Delta connected systems Star (Y) Delta (∆) Similar ends connected Dissimilar ends connected For balanced or unbalanced loads More suitable for balanced loads VL = √ 3 Vp VL = VP IL = Ip IL = √ 3 Ip Two values of voltage available One common voltage only available Has common connection available No common earthing point for earthing VL leads V by 30°E IL leads I, by 30°E Suited to long-distance power Suited to locally operated machinery * transmission * * Both connections have their advantages in the distribution of electrical power and both are used in situations dependent on local conditions and requirements.