Three Phase Energy Meter (R&D) Test Equipment

1.Features

1.1 The bench accords with the standard of "IEC 60736:1982
Testing equipment for electrical energy meters", "IEC 62053"

1.2 Close-link and ordinary calibration both can be used, ordinary
calibration can be used to test single/three-phase active and
reactive energy meter(up to 0.5 class),close-link calibration can be
used to test single/three-phase active and reactive energy meter(up
to 1 class).

1.3The bench can test the converted quantity which is caused by
negative phase, voltage unbalance, harmonic wave and so on.

1.4 The bench can auto-calibrate starting, no-load, basic error and
calibration tolerance and 24h deflection.

1.5 Close-link calibration is using insulate current transformer and
suitable for close-link energy meter.
1.6 The bench is using the error processor system to calculate the
the error of each energy meter by the sub-error system which can be
connected by the internal RS485.

1.7 The same specification but different constant energy meter can
be tested at one time.

1.8For the installed pick-up equipment can offer 3 ranges adjustment. It is also can be accepted the signal for both round-style energy meter and a digital LED energy meter.

1.9 The bench can choose to operate by keyboard or PC which is
convenient. The working status of bench can be seen as a very clear and easy operation.

1.10 The bench is using the testing software complied with
WINDOWS98/2000/XP which can auto-testing different energy meters.

1.11 The software can realize the data from energy meter for statistics, search and management. It also can connect with on-line
management for upload the data.

1.12 The energy meter hanging rack is made by Aluminum compound. The whole device configuration is a reasonable design
and nice outfit.

2. Specification

2.1 Accuracy class: 0.05 class

2.2 Reference standard meter:

HC 3100A Accuracy class: 0.05

2.3 Isolated current transformer equipment:  
PTC-9503B insulate current inductance
Accuracy class:0.1(COSφ=0.5C-1-0.5L,0.1-100A) (200A optional)
Output power:30VA(MAX,100A)

2.4 Voltage amplifier:
Output voltage range: 30-400V (phase-neutral)
                                50-600V (phase-phase)
             Output power: ≥15VA(every meter)
Resolution: 0.01%
Stability: better than 0.05%/180s
Distortion factor: < 0.5% at linear load
Frequency range: 45Hz~65Hz
Power efficiency: more than 85%
Ambient temperature:10ºC~50ºC

2.5 Current amplifier:
Output current: range: 1mA~200A (200A optional)
Output power: ≥40VA(every meter)
Resolution: 0.01%
Stability: better than 0.05%/180s
Distortion factor: < 0.5% at linear load;
Frequency range: 45Hz~65Hz;
Power efficiency: greater than 85%;
Ambient temperature:10ºC~50ºC

2.6 Phase Angle: 0°~360° , resolution of phase angle setting: 0.1°;
2.7 Output frequency range: 45Hz~65Hz; resolution: 0.01Hz

2.8 Harmonic wave output:
      2-21 sub-harmonic wave contents=40%
      3,5,7 sub-harmonic wave couping, total content=40%
           Phase angel control (odd sub-harmonic wave)
           Wave group control (sub-harmonic wave)

2.9 Output stability of power: <0.05% (180s)

2.10 Numbers of calibrated energy meter: 3

2.11Input power: AC3x220/380V(Y) 15%, 50/60Hz

3. Other details