Intelligent Voltage Transformer Calibrator

MOEORW-W8011 Intelligent Voltage Transformer Calibrator

The MOEORW-W8011 intelligent voltage transformer field calibrator is a professional voltage transformer field tester in the field of high voltage electrical testing, with precise positioning to meet the essential needs of on-site verification.

It integrates multiple testing methods, eliminating the need for multiple devices, intelligently identifies errors with accurate data, and is easy and efficient to operate.

Suitable for on-site verification of high-voltage power metering devices in power plants, substations and various users.

High-voltage power metering devices in power plants and substations, as well as power metering devices for numerous users, affect the interests of multiple parties, including power generation, transmission, supply, and users. To ensure accurate metering, inspections must be conducted in accordance with JJG1021-2007 "Power Transformers" and DL/T448-2000 "Technical Management Regulations for Power Metering Devices".

Our MOEORW-W8011 low-caliber high-voltage transformer field tester is developed using advanced testing technology, large-scale electronic circuit design, and in accordance with relevant national regulations. It solves the problems of high workload and cumbersome operation in on-site voltage transformer verification, while also offering reliable performance and powerful functionality.

1: Error Measurement Section for Low-Voltage High-Voltage Transformers

① Overall accuracy: 1/3 of the error limit of the voltage transformer under test

②Test range:

③ Operating range of the voltage transformer under test: 80%～120%

④ Secondary load: 0.0VA～300VA , COSφ＝0.1～1.0

⑤ Accuracy range of the voltage transformer under test: 1.0, 0.5, 0.2, 0.1

⑥ Resistance and admittance measurement error ≤ 5.0%

Measurement range: R : 0.00Ω～5.0Ω

Y: 0.000mS～200.0mS

2: Voltage Transformer Calibrator Section

①Basic error:

In-phase component: DX = ±( X × 2% + Y × 2% ±(2 words))

DY = ±( X × 2% + Y × 2% ±5 characters)

" X ", " Y " - the instrument's displayed values

Five words – Instrument quantization error

Dial scale: Level 1 .

Measurement range: f: 0.0000%～200.0%

δ: 0.000′～999.9′

② Rated operating voltage: 100/3V , 100/ V, 100V

③ Operating range of the voltage transformer under test: 20%～200%

3. Instrument power consumption: 20 VA

4. Instrument accuracy class: 0.05

5. Maximum external dimensions ( cm ): L46 ´W35 ´H13.5

6: Weight ( kg ) : 11.0

1. The MOEORW-W8011 low-calibration high-voltage transformer field tester combines the functions of measuring voltage transformer error using both the low-calibration high-voltage method and the potential difference method, making it convenient for on-site calibration of metering devices.

2. On-site verification of voltage transformers does not require standard voltage transformers, step-up transformers, load boxes, and voltage regulation control boxes. The verification of electromagnetic voltage transformers can be carried out using extremely simple test wiring and operation, which greatly reduces the workload and improves the work efficiency, making it convenient to carry out on-site verification of transformers.

3. The MOEORW-W8011 low-voltage transformer field tester contains a standard voltage transformer with the same transformation ratio as the voltage transformer under test, with an accuracy of 0.02 class. It accurately measures the transformation ratio and no-load error of the voltage transformer under test. Then, it calculates the transformer error by combining the impedance and admittance test results.

4. Wide measurement range, up to 6 kV/100V~220kV / V / 100 / V .

5. It has the function of testing voltage transformer ratio, DC internal resistance and voltage load box.

6. It has a dual-winding voltage transformer testing function and two load boxes.

7. It adopts a 640×480 high-resolution large-screen LCD display with a user-friendly interface and operation design. The touch screen assists in operation, making operation more convenient and faster.

8. By employing precise software algorithms, the accuracy of measurement data is further improved.

9. It has the ability to intelligently judge the status of external wiring and prompt for wiring errors, turns ratio errors, polarity errors, etc.

10. Automatically round the test data and determine whether it exceeds the tolerance. Data exceeding the tolerance is highlighted in black, making the data characteristics of the current transformer intuitive and clear.

11. Issue the on-site inspection conclusion directly, indicating whether it is qualified or unqualified.

12. Large-scale memory can store up to 1,000 field test data entries.

13. Equipped with a printer, it can print test data on-site.

14. The engineering plastic mold chassis is used for shock and pressure protection, ensuring the safety of operators and equipment during high-pressure testing on site.