High Precision Transformer Analyzer CT PT Testing Equipment CT PT Tester

• Customization: Available
• After-sales Service: Lifetime Technical Support,Online Service
• Warranty: 1 Year for CT PT Tester
• Model NO.: GDVA-405
• Product Name: CT PT Tester
• Usage: CT PT Testing Equipment
• Test Standards: IEC60044-1/2/5/6,IEC61869
• Power Output: 0.1~180V (AC)
• Current Output: 0.001~5A(RMS)
• Maximum Knee Voltage: 45kv
• Power Supply: 220V 50Hz
• Turn Ratio Measurement: 1-30000
• Transport Package: Wooden Case
• Specification: 49*36*19cm
• Trademark: GOLD
• Origin: Chongqing, China
• HS Code: 9031809090
• Production Capacity: 200PCS/Month CT PT Analyzer

Product Description

High Precision Transformer Analyzer CT PT Testing Equipment CT PT Tester

GDVA-405 Automatic CT PT Tester can test protection and metering CT/PT (220V~500KV,capacity ≥2.5VA), suitable for laboratory and field testing.
This source generates AC of 0-180V and 0.001-5A current to sample CT.
The accuracy is 0.02%(Typical), 0.1%(Guarantee).

Product Parameters

 

GDVA-405 CT PT Analyzer
1	Test standards	IEC60044-1, IEC60044-6, IEC60044-2,IEC60044-5,IEC61869, C57.13
2	Power supply	AC220V±10%,50Hz/60Hz±10%
3	Power output	0.1~125V (AC)
4	Current output	0.001~5A(RMS)
5	Power output	300VA
6	Max. knee voltage measurement	45kv
7	Current measurement range	0~10A (automatically change range in 0.1/0.4/2/10A)
8	Current measurement error	<±0.1%+0.01%FS
9	Voltage measurement range	0~200 V (automatically change range in 1V/10V/70V/200V)
10	Voltage measurement error	< ±0.1%+0.01%FS
11	Turns ratio measurement range	1~30000; 1~2000 error<0.05%; 2000~5000 error>0.1%; 5000~35000 error<0.2%
12	Phase measurement	error:±2min,resolution:0.01min
13	Coil resistance measurement	Range: 0~8kΩ(automatically change range in 2ohm /20ohm /80ohm/800ohm/8kohm) Error< 0.2%RDG+0.02%FS Maximum resolution: 0.1mΩ
14	Temperature measurement	-50~100 Celsius degree, error<3 Celsius degree
15	CT Secondary burden	Range 0-160ohm (automatically change range in 2ohm/ 20ohm/80ohm/160ohm) Error <0.2%RDG+0.02%FS Maximum resolution 0.001ohm
16	PT Secondary burden	Range 0-80kohm (automatically change range in 800ohm / 8kohm /80kohm) Error <0.2%RDG+0.02%FS Maximum resolution: 0.1ohm
17	PT ratio measurement	Range: 1~30000, 1~5000 error<0.2% 5000~30000 error<0.5%
18	Saved data groups	>1000groups
19	Work condition	Temperature:-10ºC-50ºC, moist:≤90%
20	Size	49*36*19cm
21	Weight	15kg

More Details for High Precision Transformer Analyzer CT PT Testing Equipment CT PT Tester





What are some common issues or faults that can be detected during CT/PT analyzer tests?

During CT/PT analyzer tests, various common issues or faults in current transformers (CTs) and potential transformers (PTs) can be detected. Here are some examples:

1. Incorrect turns ratio: The CT/PT analyzer can identify if the turns ratio of the transformer is outside the specified range. A mismatch in turns ratio can lead to inaccurate current or voltage measurements.

2. Polarity reversal: The analyzer can detect if the polarity of the CT or PT is reversed. Polarity reversal can result in incorrect phase angles and erroneous measurements.

3. Saturation: CTs and PTs have a saturation point beyond which their accuracy is compromised. The analyzer can determine if the transformer saturates at expected voltage levels, ensuring it operates within the linear range.

4. Burden mismatch: The burden impedance connected to the secondary side of the CT or PT should match the specified values. The analyzer can identify if the burden impedance is outside the acceptable range, which can affect accuracy.

5. Insulation issues: By performing insulation resistance tests, the analyzer can reveal any insulation degradation or faults in the windings of the CT or PT. This helps detect potential insulation breakdown or safety risks.

6. Accuracy deviations: The analyzer compares the output of the CT or PT under test with a reference standard to evaluate its accuracy. Any significant deviations from the expected values indicate calibration or performance issues.

7. Phase angle discrepancies: The analyzer measures and compares the phase angle between the primary and secondary sides of the transformer. Significant phase angle variations can indicate problems with the winding or core.

By detecting these issues and faults during CT/PT analyzer tests, corrective actions can be taken, such as recalibration, repair, or replacement of the faulty transformers. Regular testing helps ensure the transformers' accuracy, reliability, and adherence to industry standards.