PCS-ME 3.0

Multipurpose three-phase Power Calibration System

The system PCS-ME 3.0 is a secondary standard of AC power according to the State Calibration Scheme stated by Rosstandart for the instruments measuring electrical quantities, Order No 1436 of 23 July 2021.

Purpose

The Standard can be applied for accuracy testing (calibration) of:

	Single- and three-phase active and reactive energy meters of accuracy class 0.02 or less accurate with input ratings up to 120 A and from 100 to 400 V
	Single- and three-phase meters of accuracy class 0.02 used to measure active, reactive, and apparent power/energy
	Voltmeters (up to 500 V), ammeters (up to 120 A) operating in the range up to 450 Hz
	Instruments measuring power quality as applied to Russian Standard GOST R 8.655–2009

Basic accuracy specifications

Nominal values for measurement ranges of AC current I_N: 0.1, 1, 10, 100 A
Nominal values for measurement ranges of AC voltage U_N: 0.08, 0.8, 8, 80, 500 V

Measured values	Ranges or subranges of measured or derived parameters	Limits of permissible measurement error: γ – respective to the range, % δ – respective to the reference, % Δ – absolute	Note
Voltage (U) and voltage of fundamental harmonic (U₍₁₎), V	U from 0.1·U_N to 1.2·U_N	δ = ±0.004	40 Hz ≤ f₁ ≤ 70 Hz
		δ = ±0.005	16 Hz ≤ f₁ ≤ 450 Hz
		δ = ±0.005	U_n ≤ 240 V
Current (I) and current of fundamental harmonic (I₍₁₎), A	I from 0.1·I_N to 1.1·I_N	δ = ±0.004	40 Hz ≤ f₁ ≤ 70 Hz
		δ = ±0.004	I_N ≤ 10 A
		δ = ±0.006	I_N = 100 A
		δ = ±0.005	16 Hz ≤ f₁ ≤ 450 Hz
		δ = ±0.005	I_N ≤ 10 A
Fundamental frequency (f₁), Hz	From 16 to 450	δ = ±0.0001	0.01 V ≤ U₁ ≤ 530 V
Phase shift, degrees	From 0 to 360	Δ = ±k_F·f₁, where k_F = 0.00003 degrees/Hz	0.01 V ≤ U₁ ≤ 530 V 0.01 A ≤ I₁ ≤ 100 A
Active electrical power, W	U from 0.1·U_N to 1.2·U_N I from 0.1·I_N to 1.1·I_N U_N ≤ 80 V, I_N ≤ 10 A		40 Hz ≤ f₁ ≤ 70 Hz
		δ = ±0.004	0.99 < PF ≤ 1
		γ= ±0.006	0.02 < PF ≤ 0.99
Reactive electrical power of sinusoidal voltage and current signals, Var	U from 0.1·U_N to 1.2·U_N I from 0.1·I_N to 1.1·I_N U_N = 500В, I_N = 100 A		40 Hz ≤ f₁ ≤ 70 Hz
		δ = ±0.005	0.99 < K ≤ 1
		γ = ±0.007	0.02 < K ≤ 0,99
Active and reactive electrical power of fundamental garmonic, W (Var)	U from 0.1·U_N to 1.2·U_N I from 0.1·I_N to 1.1·I_N U_N ≤ 500В, I_N ≤ 100 A		16 Hz ≤ f₁ ≤ 450 Hz
		δ = ±0.007	0,99 < K ≤ 1
		γ = ±0.012	0.02 < К ≤ 0,99
Voltage harmonic of order n (K_U(n)) and total harmonic distortion of voltage (THD_U), %	From 0.03 to 50		K_U(n) ≤ 1,0;
		Δ = ±0,0005	2 ≤ n ≤ 20
		Δ = ±0.001	20 < n ≤ 50
			K_U(n) > 1,0;
		δ = ±0,05	2 ≤ n ≤ 20
		δ = ±0,1	20 < n ≤ 50
Current harmonic of order n (K_I(n)) and total harmonic distortion of current (THD_I), %	From 0.03 to 70		K_I(n) ≤ 1;
		Δ = ±0.0005	2 ≤ n ≤ 20
		Δ = ±0.001	20 < n ≤ 50
			K_I(n) > 1;
		δ = ±0.05	2 ≤ n ≤ 20
		δ = ±0.1	20 < n ≤ 50
Positive- (U₁), negative- (U₂), and zero-sequence (U₀) voltage, V	From 0.05 to 500	δ = ±0.007
Negative- (К₂) and zero-sequence (К₀) voltage ratio (with respect to the positive-sequence voltage component), %	From 0 to 50	Δ = ±0.01
Positive- (I₁), negative- (I₂) and zero-sequence (I₀) current, A	From 0.05 to 50	δ = ±0.007

Specifications of test signal source Energoforma-3.1E

Parameter	Setting range	Setting increment
Frequency of 1^st harmonic (U₁), Hz	From 16 to 450	0.01
RMS of 1^st harmonic of phase voltage (U₁), V	From 0.0001 to 12	0.0001
RMS of 1^st harmonic of phase voltage (U₁) generated using voltage amplifier VA-3.1, V	From 6 to 530	0.001
RMS of voltage produced by 1^st harmonic of output current signal U_i1, V	From 0.0001 to 10	0.00001
RMS of 1^st harmonic of current (I¹) generated using current amplifier CA-3.1, A	From 0.002 to 120	0.0001
Voltage or current harmonic ratio in % of the fundamental (U₁ or I₁), %
Harmonics of frequency k·f₁ (k = 2…19) in steps of 1.0	From 0 to 100	0,01
Harmonics of frequency k·f₁ (k = 20 … 50) in steps of 1.0	From 0 to 50	0,01
Phase shift between 1^st harmonics of voltage in different phases 1^st harmonic of voltage and 1st harmonic of current in the same phase 1^st and n^th harmonics of voltage in the same phase 1^st and n^th harmonics of current in the same phase	From –179,99 to +180,00	0.01

Specifications

Mains supply

207 ... 253 V,
or 400 V
47.5 ... 52.5 Hz

AC power consumption

6000 VA, or less

Temperature range

From +18 to +28 °С

Weight

15 kg, or less

Software

EnergoEtalon-ME
Software used to calculate the results of electrical energy measurements and to retrieve and process measured values from tested (calibrated) measuring instruments

Energoforma-ME
Software for automatic control of Energomonitor-type and Energoforma-type test system components while performing testing (calibration)

EfCalibr
Software used to adjust generator Energoforma-3.1

Advantages

	Both manual and automatic test procedures are supported
	With the standard software package, it is possible to set test signals in the generator and read measurement records from the reference meter.