HZCT-100C 0.05% Accuracy Current Transformer CT PT Analyzer
The system is equipped with composite TEV sensors, ultrahigh-frequency sensors, high-frequency current transformers, and high-sensitivity ultrasonic sensors to collect partial discharge signals from high-voltage equipment. It employs multilevel frequency reduction techniques to reduce the discharge frequency of the signals, while utilizing a high-speed ADC circuit for signal digitization. Additionally, digital signal processing and adaptive filtering methods are used to eliminate interference, ensuring the reliability of the test data. By collecting signals from partial discharges in different high-voltage equipment, the system can quickly assess the operational status of the equipment. The tester can be installed for on-line detection without affecting the operation of the equipment. This capability allows for timely evaluation of the switchgear cabinet’s operational status, significantly improving the reliability, safety, and efficiency of the equipment.
HZCT-100C 0.05% Accuracy Current Transformer CT PT Analyzer
I.Characteristics
1.Automatically calculates CT and VT parameters, including knee-point voltage/current, 10% error curve, accuracy limit factor (ALF), instrument security factor (FS), second time constant (Ts), remanence coefficient (Kr), saturated and unsaturated inductance, etc.
2.The tests meet various transformer standards, including IEC 60044, GB 1208 (-1), GB 16847 (IEC 60044-6), and others. The instrument automatically selects the appropriate test standard based on transformer type and rating.
3.Based on the advanced low-frequency testing principle, it can perform CT tests for knee-point voltages up to 30 kV.
4.User-friendly interface with a clear, all-Chinese graphical display.
5.The instrument can store up to 2000 sets of test data, which will not be lost even when powered off. After testing, data can be transferred to a PC via USB for analysis and converted into a Word report.
6.Testing is simple and convenient, with one-click operation to complete CT secondary resistance, excitation, ratio, and polarity tests.
7.Lightweight and portable, weighing less than 9 kg.
II.Panel
The instrument panel structure is as shown in right figure.
• Red S1, black S2 terminal: test power output
• Yellow M1, black M2 terminal: measure output voltage
• Green P1, black P2 terminal: measure inductive voltage
III.Technical Parameter
|
|
Transformer CT PT
Tester |
|
|
Usage |
CT & VT |
|
|
Output |
0~180Vrms,12Arms,18A(peak value) |
|
|
CT Ratio |
Range |
1~40000 |
|
accuracy |
±0.05% |
|
|
PT Ratio |
Range |
1~40000 |
|
accuracy |
±0.2% |
|
|
Phase |
Range |
±5min |
|
accuracy |
0.5min |
|
|
DC resistance |
Range |
0~300Ω |
|
accuracy |
2%±2mΩ |
|
|
Burden |
Range |
0~300VA |
|
accuracy |
2%±0.2VA |
|
|
Power supply |
AC220V±10%,50/60Hz |
|
|
Environmental Conditions |
Operating temperature :-10οC ~50οC,Humidity :≤90% |
|
|
Weight and Dimensions |
Dimensions:340 mm×300 mm×150mm,Weight<9kg |
|
V.Packing List
|
No. |
Item |
Qty |
|
1 |
Test Machine |
1 |
|
2 |
5m Test Wire (Red, Black) |
1 |
|
3 |
5m Test Wire (Yellow, Black) |
1 |
|
4 |
20m Test Wire (Green,Black) |
1 |
|
5 |
5m Earth Wire |
1 |
|
6 |
Power Cable |
1 |
|
7 |
Terminal |
12 |
|
8 |
Alligator Clip |
12 |
|
9 |
10 A Fuse |
5 |
|
10 |
Printing Paper |
2 |
|
11 |
USB drive |
1 |
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