Datasheet

ADE7880 Data Sheet
Rev. A | Page 60 of 104
Table 21. Harmonic Engine Outputs when Neutral Current and ISUM are Analyzed and the Registers Where the Values are Stored
Quantity Definition
ADE7880
Register
I
x
, x = 1,2, 3,…, N HXIRMS
I
y
, y = 1,2, 3,…, N HYIRMS
RMS of a Harmonic Component (Including the Fundamental) of the Neutral Current
I
z
, z = 1,2, 3,…, N HZIRMS
ISUMx, x = 1,2,3,…,N HXVRMS
ISUMy, y = 1,2,3,…,N HYVRMS
RMS of a Harmonic Component (Including the Fundamental) of ISUM
ISUMz, z = 1,2,3,…,N HZVRMS
HXIHD
1
I
I
HD
x
I
x
=
, x = 1,2,3,…,N
1
I
I
HD
y
I
y
=
, y = 1,2,3,…,N
HYIHD
Harmonic Distortion of a Harmonic Component (Including the Fundamental) of the
Neutral Current (Note that the HX Register Must be Set to 1 for These Calculations to be
Executed)
1
I
I
HD
z
I
z
=
, z = 1,2,3,…,N
HZIHD
HXVHD
1
ISUM
ISUM
HD
x
ISUM
x
=
,
x = 1,2,3,…,N
1
ISUM
ISUM
HD
y
ISUM
y
=
,
y = 1,2,3,…,N
HYVHD
Harmonic Distortion of a Harmonic Component (Including the Fundamental) of ISUM.
(Note that the HX Register Must be Set to 1 for These Calculations to be Executed)
1
ISUM
ISUM
HD
z
ISUM
z
=
,
z = 1,2,3,…,N
HZVHD