High Accuracy Stationary Three Phase Meter Test System for Testing of Electronic Electric Energy Meters
YC1893R series is developed by our company with international advanced level of high-grade equipment. The overall accuracy levels up to 0.01 grades. It Is designed for institute of metrology, laboratory, EPRI and EEM equipment plants. It is mainly used to establish primary standards or the standards meter for the working standard .
This is a Stationary Three-phase Energy Meter Test System described here can simultaneously test 1…3, three-phase or single-phase electric energy meters, in which are 2-wire, 3-wire and 4-wire meters for active and reactive energy with accuracy of 0.1%, 0.2%, 0.5%, 1.0%, 2.0%.
The Meter Test System has following features and functions
- Supporting parallel communication port to test smart meters through RS232 / Ethernet
- Calibrating terminals on the rack for test bench verification
- 1-phase energy meter for testing
- 3-phase energy meter for testing
- Accuracy Testing of reference standard meter
- Pre-warming
- Accuracy test as per IEC
- Creeping test
- Starting current test
- Repeatability of error test
- Dial test
- Influence quantity test related to accuracy tests (Voltage, Frequency, reverse phase sequence, voltage unbalance)
- Influence of harmonic component in voltage and current circuit as per IEC
- Tamper and Fraud Monitoring
- Sub Harmonics as per IEC standards (IEC 62052-11 / 62053-21/22/23)
- Odd Harmonics as per IEC standards
Main Technical Data
- Overall accuracy: 0.01%
- Meter position: 1~3
- Voltage output: 3x 480 VAC
- Power voltage: 3x 70 VA or customized
- Current output: 3x 1mA - 120A
- Power current: 3x 300VA or customized
- Stability: 30 ppm/h
- Harmonic: 2nd - 41st
Technical Parameters
Voltage | 240/415 V AC supply (+5% & -10%) or customized |
Frequency | 50/60Hz ±2Hz |
Power capacity | > 3 × 6kVA |
Ambient temperature | -10°C … +40°C |
Relative humidity | 35% … 95% |
System Grounding | Neutral solidly grounded |
Surge protection level | ≥ 10 kV/120 Joules (10/1000µs) |
Voltage |
Test voltage output (Phase-Neutral) | 3× (24V - 500V) or customized |
Power of the voltage output | 3×100VA |
Resolution | Better than 0.01% of full scale value of range |
Setting accuracy | Better than 0.05% at the final range value |
Stability | Better than 0.003%/h (integration time 150 s) |
Load regulation from 0-max. load | < 0.01% |
Distortion factor | < 0.3% for linear resistance load |
Harmonics | 2nd - 41st free programmable |
Current |
Test current output | 3× (1mA - 120A) |
Power of the current output | 3×150VA |
Resolution | Better than 0.01% of full scale value of range |
Setting accuracy | Better than 0.05% at the final range value |
Stability | Better than 0.003%/h (integration time 150 s) |
Load regulation from 0-max. load | < 0.01% |
Distortion factor | < 0.3% for linear resistance load |
Harmonics | 2nd - 41st free programmable |
Phase angle |
Range | 0 -- 360° |
Resolution | 0.01° |
Setting accuracy | 0.1° |
Frequency |
Range | 45Hz - 65Hz |
Resolution | 0.01Hz |


