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%).And |
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% |