Appendix - Mitsubishi Electric MELSEC iQ-R Series User Manual
Energy measuring module
Hide thumbs
Also See for MELSEC iQ-R Series:
- Programming manual (2110 pages) ,
- User manual (760 pages) ,
- Reference manual (498 pages)
Table of Contents
Advertisement
APPENDIX
APPENDIX
Calculation methods of measured items is shown below.
Items
Current for phase p
Lp - Lg voltage
Electric power for phase p
Reactive power for phase p
Apparent power for phase p
Total electric power
Total reactive power
Total apparent power
Power factor
formula
�
����−1
�
����
=
����
����=0
����
�
(����
����−1
�
���� ����
����
=
����
����=0
���� ����
1
����−1
����
=
∙ �(����
����
����
��������
����=0
1
����−1
����
=
∙ �(����
����
����
���� ����
����
����=0
����
= ����
× ����
����
���� ����
P = ����
+ ����
+ ����
1
2
Q = ����
+ ����
+ ����
1
2
S = ����
+ ����
+ ����
1
2
����
PF =
����
153
RE81WH
����
2
���� ����
− ����
)
2
���� ����
����
����
× ����
)
����
����
����
× ����
)
9 0_����
����
����
3
3
3
- Quick Links:
- Table of Contents
Hide quick links:
Advertisement
Table of Contents
Troubleshooting
