A na-eji usoro nyocha nke ọma CTPT ụlọ ọrụ anyị maka ule Error (Njehie Ratio na Error Phase) nke CT&PT, enwere ike itinye Bench: HES-1C Transformer Tester, FY49 CT Burden, FY95 PT Burden
Usoro dum gụnyere HES-30 CT/PT Testing Bench, HES-1C Transformer Calibrator, FY47-49 CT Burden, HLS-60G2 Standard CT (ya na Generator ugbu a), FY95 PT Burden na HJS-33G3 Standard PT (ya na Voltage Generator)
Ogologo ule:
| tụọ ihe | Nnwale nso | |
| Nnwale izizi CT | Enyere ogo nke mbụ ugbu a: | 5A-6300A |
| Enyere ugbu a nke abụọ: | 5A na 1A | |
| Oke ọrụ: | (1%-120%) | |
| Nnwale izi ezi nke PT | Enyere voltaji izizi (kV): | 6.3 (6.3/√3), 11 (11/√3), 33(33/√3) kV |
| Enyere voltaji nke abụọ: | 100V, 100/√3V, 110V, 110/√3V | |
| Oke ọrụ: | (20%-120%). na | |
Klas ziri ezi nke nha akụrụngwa:
| Nkọwa ngwaahịa | Ụdị ngwaahịa | Klas nke ziri ezi |
| Standard CT (ya na isi mmalite dị ugbu a) | HLS-60G2 | ± 0.02S% |
| Standard PT (ya na isi iyi voltaji) | HJS-33G2 | ± 0.02% |
| Ibu CT | FY47-49 | ± 3% |
| Ibu PT | FY95 | ± 3% |
| Onye nleba anya mgbanwe (Calibrator) | HES-1C | ±2% |
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