IEC 60044 Electrical CT Analyzer Current Transformer Test Instrument

1.Excitation curve and parameters test
2.Turns ratio test
3. Ratio and phase error test
4. Polarity mark check
5. Coil resistance measurement
6. Secondary loop burden measurement
7. Error line curve test for protection CT
8. Transient CT parameters test
9. CT nameplate guess
10.Saturation hysteresis loop curve measurement

1 CT nameplate check
2 CT parameters check in work burden
3 CT transient parameters analysis
4 CT ratio and phase error calibration

Item Name		CT Current Transformer Tester
Test standards		IEC60044-1, IEC60044-6, IEC60044-2, IEC60044-5, C57.13
Power supply		AC220V±10%, 50/60Hz±10%
Voltage output		0.1~125V (AC)
Current output		0.001~5A(RMS)
Power output		300VA
Max. knee voltage measurement		45KV
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
Coil resistance measurement	Range	0~80Ω (automatically change range in 2ohm/20ohm/80ohm)
	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
Memory capacity			>1000 groups test results
Working condition temperature			-10℃~50℃; moist ≤90%