CT PT Characteristics Tester

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CT PT Characteristics Tester factory

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CT PT Characteristics Tester high quality

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CT PT Characteristics Tester

Name: China CT PT Characteristics Tester Manufacturers Factory - Goldhome Hipot
Brand: Goldhome
SKU: 289775608

Name：Variable Frequency CT/PT Tester Application CT and PT protection Output 0~180Vrms,12Arms,36A(Peak) Voltage Measuring Accuracy ±0.2% CT Ratio Range 1~30000 Accuracy ±0.2% PT Ratio Range 1~10000 Accuracy ±0.2% Phase Accuracy ±5min Resolution 0.5min Secondary winding resistance Range 0~300Ω Accuracy 2%±2mΩ AC load measurement Range 0~300VA Accuracy 2%±0.2VA

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Description

Technical Parameters

Wuhan Goldhome Hipot Electrical Co., Ltd. is one of the leading manufacturers and suppliers of ct pt characteristics tester in China. With abundant experience, our factory offer high quality customized products made in China with competitive price. Welcome to contact us for quotation.

HMCTP 100P CT PT Analyzer Display Video

The test result interface as shown in figure:

hmctp 100

Fig 1 The test result interface

For different classes of CT and measured items,the test result will be different too,details as table 2.3:

Table 2.3 CT test results description

result		description	P	TPY	M	PR	PX	TPS	TPX	TPZ
Load	Actual load	unit：VA,CT secondary measure actual load	√	√	√	√	√	√	√	√
	Power factor	Power factor of actual load	√	√	√	√	√	√	√	√
	impedance	unit：Ω,CT secondary measure secondary impedance	√	√	√	√	√	√	√	√
Resistance	resistance(25℃)	unit：Ω,CT secondary measure secondary resistance	√	√	√	√	√	√	√	√
Resistance	resistance(75℃)	unit：Ω,Convert to resistance under 75℃	√	√	√	√	√	√	√	√
excitation	knee voltage and knee current	unit:V and A,According to standard definition,when knee voltage increase 10%,knee current increase 50%.	√	√	√	√	√	√	√	√
	Unsaturated inductance Lu	unit:H,The average inductance of linear section for excitation curve	√	√	√	√	√	√	√	√
	Unsaturated inductance Lu		√	√	√	√	√	√	√	√
	remanence coefficient Kr	ratio of magnetism and magnetic	√	√	√	√	√	√	√	√
	remanence coefficient Kr	ratio of magnetism and magnetic	√	√	√	√	√	√	√	√
	Second time constant Ts	unit：s,the time constant of CT's second connect rated burden	√	√	√	√	√	√	√	√
	Second time constant Ts		√	√	√	√	√	√	√	√
	limiting e.m.f Eal	unit:V,calculation limit e.m.f. according to the CT nameplate and resistance under 75℃	√	√	√	√			√	√
	limiting e.m.f Eal		√	√	√	√			√	√
	composite error	limiting e.m.f or the composite error of rated knee potential	√		√	√	√
	composite error		√		√	√	√
	Peak transient error	Peak transient error of limiting e.m.f		√					√	√
	Peak transient error	Peak transient error of limiting e.m.f		√					√	√
	ALF	actual ALF	√			√
	Instrument security coefficient	actual instrument security coefficient			√
	Symmetrical short-circuit current multiples Kssc	actual symmetrical short-circuit current multiples		√				√	√	√
	transient dimensioning factor	actual transient dimensioning factor		√					√	√
	calcuated coefficient Kx	actual calcuated coefficient					√
	Rated knee potential Ek						√
	Ie corresponding with Ek	The actual excitation current corresponding with rated knee potential					√
	Rated voltage Ual	The rated equivalent second limit voltage						√
	Ial corresponding with Ual	The actual excitation current corresponding with the rated equivalent second limit voltage						√
Ratio	Ratio	Actual current ratio under rated burden	√	√	√	√	√	√	√	√
	Turns ratio	The ratio of actual secondary winding and primary winding	√	√	√	√	√	√	√	√
	Ratio difference	The current errors under rated load	√	√	√	√	√	√	√	√
	Phase difference	The D-value of phase under rated load	√	√	√	√	√	√	√	√
	Polarity	There're two polarity relationship for primary CT and secondary CT: Positive and Negative	√	√	√	√	√	√	√	√
	Turn ratio error	The relative error between measured trun ratio and rated turn ratio					√	√

Note: "√" expressed the need for settings that do not need to set up a blank

II.Error data

Selecting the error data will show 5% and 10% error cases, the relationship of rated primary current multiple and the maximum burden is shown as Fig 2.5. These data is calculated according to the actual excitation. The calculation Method is given in appendix B.

100p

Fig 2 5% error data interface

Product	Cross Weight	Package Dimension
host and Accessory Box	32kg	480270720mm(LWH)

Included Accessories:

No.	Name	QTY
1	Test line(5m Red black)	1
2	Test line(5m Yellow black)	1
3	Test line(20m Green black	1
4	Ground wire(5m)	1
5	power cord(1.5m)	1
6	Terminals	12
7	Alligator clip	12
8	Fuse(10A)	5
9	printer paper	2