Description
ZCTPT transformer variable frequency tester is mainly for test as
bellow：
1）Excitation characteristic test
2）Turn ratio test
3）Ratio difference and angle difference calibration
4）Polarity test
5）Secondary winding resistance test
6）Secondary load test
7）5% and *0% error curve test
8）CT transient process characteristic test and
analysis
9）CT brand auto calculation
*0）Knee-point voltage and current, Accuracy limit
factor, Instrument security coefficient, secondary time
constant, magnetic
remanence coefficient, accuracy
class, saturated and unsaturated, inductance,
knee-point electromotive
force，limit electromotive force and area factor.
*1） core of hysteresis loop of current transformer
test
ZCTPT tester is also for the voltage transformer test：
1）PT turn ratio test
2）PT polarity test
3）PT secondary winding resistance test
4）PT secondary load test
5) PT Excitation characteristic test
Applicable project：
1） CT brand parameters calibratoin
2） CT connected into current load parameters testing
3） Influence of analysis of
the transient process characteristic to relay
protection device
4） PT brand parameters calibration
5） PT secondary load checking
Parameters:
1 . Test standards:
IEC******1, IEC******2, IEC******5, IEC******6, GB***7,
GB***8,
GB****7, GBT***3, C*7.*3
2 .Input power voltage： AC**0V±*0%，*0Hz/*0Hz±*0%
3. Output voltage： 0.1~**0V(AC)
4 . Output current： 0.**1~5A(RMS)
5 . Output power：**0VA
6 . Max equivalent knee-point voltage：*5KV
7 . Current test： 0~*0A ( auto range
0.1/0.4/2/*0A)
Error <±0.1%*0.*1%FS
8 . Voltage test：0~**0 V (auto range 1/*0/*0/**0V)
Error < ±0.1%*0.*1%FS
9 . Turn ratio test： 1~****0，
1~***0 error<0.*5%
***0~***0 error <0.1%
***0~****0 error <0.2%
*0 . Phase test: accuracy ±2min，resolution, 0.*1min
*1. Secondary winding resistance test range 0~8KΩ( auto
range 2/*0/*0Ω/**0Ω/8kΩ)
Error < 0.2%RDG*0.*2%FS， Max resolution：0.1mΩ
*2 . Temperature test ：**0~**0 ℃，error <3 ℃
*3. CT secondary load test
： 0～**0ohm(2/*0/*0ohm/**0ohm)
Error 0.2%RDG*0.*2%FS, max resolution 0.**1ohm
*4. PT secondary load test ： 0～*0kohm
(**0ohm/8kohm/*0kohm)
Error 0.2%RDG*0.*2%FS. max resolution 0.1ohm
*5. PT turn ratio test ：1~****0，
1~***0 , error <0.2%
***0~****0, error <0.5%
*6.Auto calculate and evaluate and judge transformer performance
based on selected standards
*7. Test current transformer ratio difference and angle difference
under rated load and operational load
*8. Auto generate work type test report function.
*9. Batch generate WORD test report, one time generate
work type report.
*0. Compare exciting characteristic curve and stored
historical data automatically
*1. Data storage: ***0 sets
*2. Working condition：
temperature：**0℃～*0℃，humidity：≤*0%
*3.Size： **5mm×**6mm×**3mm
*4. Weight：*5Kg
