Current Transformer Automatic CT PT Analyzer Instrument Transformer Testing Equipment for Gis CT Testing

• After-sales Service: Lifetime Technical Support,Online Service
• Warranty: 1 Year
• Accuracy Grade: 0.02%
• Control: Computer Control
• Power Source: AC220V
• Test Standards: IEC60044-1,2,5,6 , IEC61869-2
• Model NO.: GDVA-405
• Knee Point: Max 45kv
• Voltage Output: 0.1~180V (AC)
• Current Output: 0.001~5A(RMS)
• Power Output: 500va
• Accuracy: 0.02%(Typical); 0.1% (Guaranteed)
• Turns Ratio Measurement Range: 1~35000
• Transport Package: Plywood Case
• Specification: 39kg
• Trademark: GOLD
• Origin: Chongqing, China
• HS Code: 9030849000
• Production Capacity: 500 Pieces/Month

Product Description

Current Transformer Automatic CT PT Analyzer Instrument Transformer Testing Equipment For GIS CT Testing

 

1. Introduction

1. GDVA-405 Automatic CT PT Analyzer is a lightweight, robust, portable unit capable of testing accurately tests all types of current and voltage transformers.
2. GDVA-405 Automatic CT PT Analyzer is designed as per IEC60044-1, IEC60044-6, IEC61869-2,IEC60044-2, IEC60044-5, C57.13.
3. It makes evaluation for test results according to selected standards
4. GDVA-405 CT PT Analyzer can make word report for test result
5. GDVA-405 Automatic CT PT Analyzer can make word reports one time for multi-group test records on the PC
6. Calculate the ratio errors and phase angle errors at rated burden and working burden in one time test
7. Compare excitation curves with saved excitation curves in the same window.

2. Main Test Items for GDVA-405 Automatic CT PT Analyzer
 

Current Transformer Testing

Potential Transformer

CT turns ratio test Ratio and angle error test Polarity test Excitation characteristic test CT secondary winding resistance measurement and secondary burden measurement CT5% and 10% error curve measurement Transient characteristics analysis Automatic nameplate inference CT knee voltage/current Accuracy Limit Factor (ALF) Instrument security factor (FS) Secondary time constant (Ts) Remanence coefficient (Kr) Accuracy Saturation and desaturation and inductance Knee point electromotive force Measurement of parameters such as limit electromotive force and area coefficient CT core analysis and core hysteresis loop measurement

PT turns ratio test Ratio and phase angle error test Polarity test Excitation characteristic test PT primary winding resistance Secondary winding resistance Secondary load measurement

3. Technical Index
 

1	Test standards	IEC60044-1, IEC60044-6, IEC61869-2,IEC60044-2, IEC60044-5, C57.13
2	Power supply	AC220V±10%, 50/60Hz±10%
3	Voltage output	0.1~180V (AC)
4	Current output	0.001~5A(RMS)
5	Power output	500VA
6	Max.  knee voltage measurement	45KV
7	Accuracy	0.02%(Typical); 0.1% (Guaranteed)
8	Memory capacity	>1000 groups test results
9	Working condition temperature	-10ºC~50ºC; Humidity ≤90%

 

For Current Transformer Testing (CT)
1	Turns ratio measurement	1~40000 1~2000,error<0.05%; 2000~5000, error<0.1%; 5000~40000, error<0.2%
2	Current measurement range	0~10A (automatically change  range in 0.1/0.4/2/10A)
3	Current measurement error	<±0.1%+0.01%FS
4	CT Secondary burden range	0~160ohm (automatically change range in 2ohm/20ohm/80ohm/160ohm)
5	CT Secondary burden error	<0.2%RDG+0.02%FS
6	CT Secondary burden Max. resolution	0.001ohm

 

For Potential Transformer Testing (CT)
1	Turns ratio measurement	1~30000, 1~2000, error<0.05%; 2000-5000, error<0.1%; 5000~30000, error<0.2%
2	Voltage measurement range	0~200V (automatically change range in 1V/10V/70V/200V)
3	Voltage measurement error	< ±0.1%+0.01%FS
4	PT phase angle measurement maximum error	< 5min
5	PT ratio error measurement	1~2000, error 0.1%
6	PT Secondary burden range	0~80kohm (automatically change range in 800ohm/8kohm/80kohm)
7	PT Secondary burden error	<0.2%RDG+0.02%FS

Testing Connection for GDVA-405 Automatic CT PT Analyzer


Product Pictures