1)delta to y (2)y to delta x – Sharp EL-5230 User Manual
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101
Program code
Key operations
Wait
i 3 e
Z√=R©R…
@ v 1 ; = ; R
z @ v 5 e
Print Z√
i 0 @ v 1 e
Wait
i 3 e
Z…=R©R≥
@ v 2 ; = ; R
z @ v 3 e
Print Z…
i 0 @ v 2 e
End
i 5 e
Example
When the impedances Z
1
, Z
2
, Z
3
of a delta impedance circuit are 70, 35,
140 respectively, obtain the impedances R
1
, R
2
, R
3
of a Y circuit.
4.
Press j to return to the PROG mode menu.
5.
Press 0, select the program ‘DELTAY’
and press e.
The direction of transformation will be
asked.
6.
Press 1 e to select ‘DELTA TO Y’ transformation.
7.
Enter 70 for Z
1
, 35 for Z
2
and 140 for Z
3
.
Result
The impedances R
1
, R
2
, R
3
of the targeted Y impedance circuit are 10, 20
and 40, respectively.
Chapter 8: Application Examples
(1)DELTA TO Y
(2)Y TO DELTA
X=?
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