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NR-YD/YDQ/GTB series power frequency test transformer
It is used for power system to conduct insulation withstand voltage test under power frequency or DC high voltage for various high voltage electrical equipment, electrical components and insulating materials. This series of test transformers have the advantages of small size, light weight, compact structure, and strong versatility. They are essential and important equipment for high-voltage tests.
Test transformer type and model description
YD (J) AC oil-immersed test transformer;
YD (JZ) AC and DC oil-immersed test transformer;
GTB (J) AC dry test transformer;
GTB (JZ) AC and DC dry test transformer;
YDQ (J) AC SF6 Test transformer;
YDQ (JZ) AC SF6 test transformer;
Rated output voltage (kV): 50, 100, 150, 200, 250, 300, 500;
Rated capacity (kVA): 3, 5, 10, 20, 30, 50, 100, 200, 300, 500.
Commonly used test transformer specification parameter table
|
model |
Rated voltage |
rated power |
High voltage current |
Input voltage |
Low voltage current |
Test product capacity |
Dimensions |
weight |
Insulating medium |
|
NR-GTB-5/50 |
50kV |
5kVA |
100mA |
200V |
25A |
6300pF |
300×300×760(mm) |
50kg |
Epoxy resin |
|
NR-YD-5/50 |
350×250×630(mm) |
51kg |
Insulating oil |
||||||
|
NR-YD-10/50 |
10kVA |
200mA |
50A |
12700pF |
400×220×670(mm) |
64kg |
|||
|
NR-YD-10/100 |
100kV |
10kVA |
100mA |
50A |
3100pF |
480×340×1060(mm) |
126kg |
||
|
NR-YDQ-10/100 |
Φ430×1150(mm) |
80kg |
SF6 |
||||||
|
NR-YD-20/100 |
20kVA |
200mA |
400V |
50A |
6300pF |
510×360×1100(mm) |
178kg |
Insulating oil |
|
|
NR-YDQ-20/100 |
Φ480×1200(mm) |
110kg |
SF6 |
Remarks: Test transformers of other capacities and voltage levels can be customized according to requirements.
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