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GDVA-405 Variable Frequency Automatic CT PT Analyser IEC61869

The GDVA-405 Automatic CT PT Analyser is a core tool for power system operation and maintenance, designed specifically for high-precision detection, calibration, and diagnosis of the performance of current transformers and voltage transformers. It is an intelligent choice for precise operation and maintenance of power systems.
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  • GDVA-405

  • CHONGQING GOLD

  • 9030849000

GDVA-405 Variable Frequency Automatic CT PT Analyser IEC61869

CT PT Analyser

CT PT Analyser (4)


Introduction


1) GDVA-405 Automatic CT PT Analyser can quickly complete the testing of key parameters such as turns ratio error, polarity, excitation characteristics, and secondary burden of CT PT, ensuring measurement accuracy and relay protection reliability.

2) Compatible with multiple international standards, such as IEC60044-1, IEC60044-6, IEC61869, IEC60044-2, IEC60044-5, C57.13 ANSI 45, and C57.13 ANSI 30.

3) GDVA-405 CT PT Analyser supports automatic generation of Word version test reports.

4) GDVA-405 CT PT Analyser is suitable for complex testing environments in laboratories and on site.

5) Embedded computer, with its intelligent operating interface, multitasking testing mode, and data management functions, greatly improve operation and maintenance efficiency. GDVA-405 CT PT Analyser is an ideal solution for power grid enterprises, power laboratories, and industrial users to achieve equipment lifecycle management and prevent fault risks.



Advantages for our GDVA-405 Automatic CT PT Analyser:


1) Efficient: All test items can be completed in one time.

2) High Accuracy:  0.02%(Typical), 0.1%(Guarantee).

3) Portable: Net weight 15KG

4) Easy to operate: GDVA-405 is equipped with an embedded computer, with parameter settings on the left side of the interface and a wiring diagram provided in the upper right corner for customer reference.

5) Compatible with multiple types of transformers: M, P, TPY, Bushing CT, GIS CT-etc.

6) High degree of personalization: supports customized functions (please contact us if you have special requirements).


Test Items:


Test items for Current Transformer(CT) Test items for Potential Transformer(PT)

Turn ratio detection

Ratio and angle error check

Polarity test

Excitation characteristic test

Secondary winding resistance measurement and secondary burden measurement

5% and 10% error curve measurement

Transient characteristics analysis

Automatic nameplate inference

Knee point voltage/current

Accuracy Limit Factor (ALF)

Instrument security factor (FS)

Secondary time constant (Ts)

Remanence coefficient (Kr)

Accuracy

Saturation and desaturation inductance

Knee point electromotive force

Limit electromotive force

Area factor

Iron core analysis and core hysteresis loop measurement

Turn ratio measurement

Ratio and angle error check

Polarity test

Excitation characteristic test

Primary winding resistance test

Secondary winding resistance test

Secondary burden measurement


Technical Index


Test standards IEC60044-1, IEC60044-6, IEC60044-2, IEC60044-5, IEC61869,C57.13 ANSI 45 and C57.13 ANSI 30
Power supply

AC220V±10%, 50/60Hz±10%

(Support customize to AC110V,120V,127V)

Voltage output 0.1-180V (AC)
Current output 0.001-5A(RMS)
Power output 500VA
Max.  knee voltage measurement 60kV
Current measurement

range: 0-10A (automatically change  range in 0.1/0.4/2/10A).

Error:<±0.1%+0.01%FS.

Voltage measurement

range: 0-200V (automatically change range in 1V/10V/70V/200V).

error: < ±0.1%+0.01%FS.

Turns ratio measurement Range 1~35000
1~2000, error<0.05%
2000~5000,error<0.1%
5000~35000,error<0.2%
Phase measurement

error: ±2min;

resolution:  0.01min

Winding resistance measurement

range: 0-8kΩ (automatically change range in2ohm/20ohm/80ohm/800ohm/8kohm).

error: < 0.2%RDG+0.02%FS.

Maximum resolution :  0.1mΩ

Temperature measurement -50~100 Celsius degree; error<3 Celsius degree
CT Secondary burden

Range: 0-80kohm (automatically change range in 800ohm/8kohm/80kohm).

error: <0.2%RDG+0.02%FS.

Maximum resolution : 0.1ohm

PT ratio measurement range

1-35000,

1-10000 error<0.1%,

10000-35000 error<0.2%

PT ratio measurement error

Typical error<0.05%,  Maximum Error<0.1%

equip with PT Booster Comparator(Optional), the accuracy can reach 0.05%.


CT PT Analyzer (5)


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Contact Person: Christine Gou

Whatsapp/Wechat: +86 15123029885

Mobile: +86 15123029885

E-mail: gold05@hy-industry.com


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