Power Frequency Current Transformer Excitation Curve Analysis CT PT Parameters Analyzer

• Customization: Available
• After-sales Service: Lifetime Technical Support, Online Service
• Warranty: 1 Year for CT PT Parameters Analyzer
• Model NO.: GDVA-405 CT PT Analyzer
• Accuracy Grade: 0.02%
• Load Way: Electronic Load
• Loading Method: Static Load
• Display: Digital
• Control: Embedded Computer
• Weight: 15kg
• Power Source: AC220V
• Applications: CT PT Paramteres Analysis
• Test Standards: IEC60044-1/2/5/6, IEC61869, C57.13
• Suitable for: Testing CT/PT (220V~500kv, Capacity ≥2.5va)
• Accuracy: 0.02%(Typical), 0.1% (Guaranteed)
• Voltage Output: 0.1-180V (AC)
• Current Output: 0.001-5A(RMS)
• Power Output: 500va
• Max. Knee Voltage Measurement: 60kv
• Power Supply: AC220V±10%, 50/60Hz(Support Customize)
• Transport Package: Plywood Case
• Specification: 49*36*19cm
• Trademark: CHONGQING GOLD
• Origin: Chongqing, China
• HS Code: 9030849000
• Production Capacity: 500 Pieces/Month

Product Description

GDVA-405 Power Frequency Current Transformer Excitation Curve Analysis CT PT Parameters Analyzer is designed for automatic testing of 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).
 

Range of Measurements

 

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 Se

Specifications

 

Item Name		GDVA-405 Power Frequency Current Transformer Excitation Curve Analysis CT PT Parameters Analyzer
Test standards		IEC60044-1, IEC60044-6, IEC61869, IEC60044-2, IEC60044-5, C57.13
Power supply		AC220V±10%, 50/60Hz±10%(Support customize)
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	0-160ohm (automatically change range in 2ohm/20ohm/80ohm/160ohm)
	Error	<0.2%RDG+0.02%FS
	Maximum resolution : 0.001ohm
PT 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 error measurement :Typical error<0.05%,  Maximum Error<0.1%
	PT phase angle measurement maximum error < 3min
Make evaluation for test results according to selected standards Make word report for test result Make word reports one time for multi-group test records on the PC Calculate the ratio errors and phase angle errors at rated burden and working burden in one time test Compare excitation curves with saved excitation curves in the same window
Memory capacity			>1000 groups test results
Working condition temperature			-10ºC-50ºC; moist ≤90%

Work Site