ABB Remote I/O RIO600 - Page 86

P Re S=
→
( )
GUID-04FA4523-A4A3-4092-AFEE-1D1E47FD494F V1 EN (Equation 1)
Q Im S=
→
( )
GUID-C34703B2-A129-4638-A6AA-FEC60635A112 V1 EN (Equation 2)
S S P Q= = +
→
 
2 2
GUID-6E14F86F-AAB3-4816-9736-30C0D6EF4153 V1 EN (Equation 3)
The calculated power values are presented in units of kVA/kW/kVAr.
cos φ =
P
S
GUID-7F06701C-A71D-46D2-9344-87912681BF9D V1 EN (Equation 4)
Q1
Q2
Q3
Q4
Fwd active energy
Rev active energy
Fwd reactive energy
Rev reactive energy
P +
Q +
(+ind)
PF 1.00
PF -1.00
PF 0.00
P +
Q -
(+cap)
P -
Q +
(-cap)
P -
Q -
(-ind)
S
GUID-D76C8746-7BA9-43CE-93F4-B7750B667D86 V1 EN
Figure 43: Power quadrants
Table 42: Complex Power quadrants
Quadrant
Current P Q PF Power
Q1 Lagging + + 0…+1.00 +ind
Q2 Lagging - + 0…-1.00 -cap
Q3 Leading - - 0…-1.00 -ind
Q4 Leading + - 0…+1.00 +cap
Section 6 1MRS757488 H
Commissioning
78 RIO600
Installation and Commissioning Manual