Fluke 1743, 1744 tanϕ, ⋅ ∑ Ph1, Ph1, tanϕ, PF = λ

Power Quality Logger

Logger Parameters with Function A

Distortion power. Basic value on 200 ms per phase

Distortion power per interval per phase

Total distortion power on three phases

Dbas = Sbas 2 − Pbas 2 − Qbas 2

1 M

D = M ⋅ ∑ Dbas j j=1

Dbas j : 200 ms value

M: Number of 200 ms intervals per logging interval

3

Dtotal = ∑ Dk

k=1

Distortion power per phase

Total distortion power on three phases

Tangent φ per phase

Total tangent φ on three phases

Active power of the fundamental per phase Basic value for 200 ms.

Active power of the fundamental per phase per interval

PF = λ	=	P	⋅	Q
		S		Q
PFtotal = λ total =					Ptotal		Q
						⋅	total
					Stotal		Qtotal

tanϕ	=		Q
			P
tanϕ	total			=		Qtotal
							Ptotal
Ph1bas = P1
				1				M
Ph1		=						⋅ ∑ Ph1
bas					M				bas j
								j=1

43