13.8.4 example 3

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Page 1: 13.8.4 Example 3
Page 2: 13.8.4 Example 3

Find the following values:(a)Determine the line voltage of the delta connected three-

phase generator: VL (Load)(b)Determine the phase voltage of the load: VP (Load)(c)Determine the phase current drawn by the load: IP (Load)(d)Determine the line current delivered to the load: IL (Gen)(e)Determine the phase current in the generator: IP (Gen)

Page 3: 13.8.4 Example 3

VL = VP = 210 V

Page 4: 13.8.4 Example 3

Determine the phase voltage of the delta connected three-phase generator: VP (Load)

Page 5: 13.8.4 Example 3

VLVP = √3 210 VP = 1.732 VP = 121.3V

Page 6: 13.8.4 Example 3

Determine the phase current drawn by the load: IP (Load)

Page 7: 13.8.4 Example 3

VPIP = ZP 121.3IP = 20IP = 6.07A

Page 8: 13.8.4 Example 3

Determine the line current delivered to the load: IL (Gen)

Page 9: 13.8.4 Example 3

IL = IP = 6.07A

Page 10: 13.8.4 Example 3

Determine the phase current in the generator: IP (Gen)

Page 11: 13.8.4 Example 3

IL IP = √3 6.07IP = 1.732IP = 3.5A

Page 12: 13.8.4 Example 3

Refer to Electrical Trade Principles p. 230 - 234 by Hampson & Hanssen