Our company CTPT accuracy testing system is used for Error test (Ratio error and Phase error) of the CT&PT, The Bench can be installed: HES-1C Transformer Tester, FY49 CT Burden, FY95 PT Burden
The whole system including the HES-30 CT/PT Testing Bench, HES-1C Transformer Calibrator, FY47-49 CT Burden, HLS-60G2 Standard CT (with Current Generator), FY95 PT Burden and HJS-33G3 Standard PT (with Voltage Generator)
Test Range:
Measure Item |
Test Range |
|
CT accuracy test |
Rated primary current range: |
5A-6300A |
Rated secondary current: |
5A and 1A |
|
Operation range: |
(1%-120%).In |
|
PT accuracy test |
Rated primary voltage (kV): |
6.3(6.3/√3), 11(11/√3), 33(33/√3)kV |
Rated secondary voltage: |
100V, 100/√3V, 110V, 110/√3V |
|
Operation range: |
(20%-120%).Un |
Accuracy class of the measure equipments:
Product Description |
Product Model |
Accuracy Class |
Standard CT (with Current Source) |
HLS-60G2 |
±0.02S% |
Standard PT (with Voltage Source) |
HJS-33G2 |
±0.02% |
CT Burden |
FY47-49 |
±3% |
PT Burden |
FY95 |
±3% |
Transformer Tester (Calibrator) |
HES-1C |
±2% |