MCP3909RD-3PH3 Microchip Technology, MCP3909RD-3PH3 Datasheet - Page 85
MCP3909RD-3PH3
Manufacturer Part Number
MCP3909RD-3PH3
Description
REF DESIGN FOR MCP3909 W/18F2520
Manufacturer
Microchip Technology
Datasheets
1.MCP3909T-ISS.pdf
(44 pages)
2.MCP3909T-ISS.pdf
(104 pages)
3.MCP3909RD-3PH3.pdf
(88 pages)
4.MCP3909-ISS.pdf
(40 pages)
Specifications of MCP3909RD-3PH3
Main Purpose
Power Management, Energy/Power Meter
Utilized Ic / Part
MCP3909, PIC18F2520, PIC18F4550
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Secondary Attributes
-
Embedded
-
Primary Attributes
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
- MCP3909T-ISS PDF datasheet
- MCP3909T-ISS PDF datasheet #2
- MCP3909RD-3PH3 PDF datasheet #3
- MCP3909-ISS PDF datasheet #4
- Current page: 85 of 104
- Download datasheet (2Mb)
© 2009 Microchip Technology Inc.
The relationship between u
EQUATION C-31:
EQUATION C-32:
Total effective voltage can be expressed as:
EQUATION C-33:
Similarly, the effective values and initial phase angles of fundamental current and
current of each other harmonic can be expressed as:
EQUATION C-34:
EQUATION C-35:
The relationship between i
EQUATION C-36:
EQUATION C-37:
Total current RMS can be expressed as:
EQUATION C-38:
ak
ak
, i
, u
bk
I
bk
k
and I
u
=
u
U
and U
i
i
I
bk
ak
bk
ak
total
total
------ - i
Power Calculation Theory
1
=
ϕ
=
2
=
=
k
ik
⋅
can be expressed as:
=
=
k
ck
=
2 U
2 U
2 I
can be expressed as:
2 I
⋅
⋅
⋅
⋅
=
atan
k
k
∑
∑
∞
=
k
∞
=
k
k
k
⋅
⋅
0
0
⋅
⋅
i
------------------------ -
cos
U
i
----- -
i
sin
I
cos
sin
ak
ak
bk
k
k
2
2
2
ϕ
ϕ
ϕ
ϕ
+
2
ik
ik
uk
uk
i
bk
2
DS51723A-page 85
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