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6.2.3. INTRINSIC UNCERTAINTY (NOT COUNTING THE CURRENT SENSORS)
-
ties must be doubled
6.2.3.1. Specications at 50/60Hz
Quantities Measurement range Intrinsic uncertainty
Frequency (f) [42.5; 69Hz] ± 0.1Hz
Phase-neutral voltage (V) [10V; 1,000V] ± 0.2% R ± 0.2 V
Neutral-earth voltage (VPE) [10V; 1,000V] ± 0.2% R ± 0,2 V
Phase-phase voltage (U) [17 V; 1,700 V] ± 0.2% R ± 0,4 V
Current (I) [0.2% Inom; 120% Inom] ± 0.2% R ± 0.02% Inom
Neutral current (IN) [0.2% Inom; 120% Inom] ± 0.2% R ± 0.02% Inom
Active power (P)
kW
PF = 1
V = [100V; 1,000V]
I = [5% Inom; 120% Inom]
± 0.5% R ± 0.005% Pnom
PF = [0.5 inductive; 0.8 capacitive]
V = [100V; 1,000V]
I = [5% Inom; 120% Inom]
± 0.7% R ± 0.007% Pnom
Reactive power (Q)
kvar
Sin ϕ = 1
V = [100V; 1,000V]
I = [5% Inom; 120% Inom]
± 1% R ± 0.01% Qnom
Sin ϕ = [0.5 inductive; 0.5 capacitive]
V = [100V; 1,000V]
I = [10% Inom; 120% Inom]
± 1.5% R ± 0.01% Qnom
Sin ϕ = [0,5 inductive; 0,5 capacitive]
V = [100V; 1,000V]
I = [5% Inom; 120% Inom]
± 1% R ± 0.01% Qnom
Sin ϕ = [0.25 inductive; 0.25 capacitive]
V = [100V; 1,000V]
I = [10% Inom; 120% Inom]
± 1.5% R ± 0.015% Qnom
Apparent power (S)
kVA
V = [100V; 1,000V]
I = [5% Inom; 120% Inom] ± 0.5% R ± 0.005% Snom
Power factor (PF)
PF = [0.5 inductive; 0.5 capacitive]
V = [100V; 1,000V]
I = [5% Inom; 120% Inom]
± 0.05
PF = [0.2 inductive; 0.2 capacitive]
V = [100V; 1,000V]
I = [5% Inom; 120% Inom]
± 0.1
tan Φ
tan Φ33 capacitive
V = [100 V; 1,000 V
I = [5% Inom; 120% Inom
± 0.02
tan Φ = [3.2 inductive; 3.2 capacitive
V = [100V; 1,000V]
I = [5% Inom; 120% Inom]
± 0.05
Active energy (Ep)
kWh
PF = 1
V = [100V; 1,000V]
I = [5% Inom; 120% Inom]
± 0.5% R
PF = [0.5 inductive; 0.8 capacitive]
V = [100V; 1,000V]
I = [10% Inom; 120% Inom]
± 0.7 % R
Reactive energy (Eq)
kvarh
Sin ϕ = 1
V = [100V; 1,000V]
I = [5% Inom; 120% Inom]
± 2% R
Sin ϕ = [0.5 inductive; 0.5 capacitive]
V = [100V; 1,000V
I = [10% Inom; 120% Inom
± 2% R
Sin ϕ = [0.5 inductive; 0.5 capacitive]
V = [100V; 1,000V]
I = [5% Inom; 120% Inom]
± 2.5% R
50


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