Zhengzhou Great Electric Co.,Ltd.
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Cabinet Type CT PT Test Bench System MCHZDZ-3Z
System Configuration
1) HZDT Fully automatic Cabinet type Control Bench
2) Digital Transformer Tester
3) Current Transformer Burden (5A/1A optional)
4) Standard Current Transformer ( with Current Source)
5) Voltage Transformer Burden
6) Standard Voltage Transformer ( with Voltage Source)
7) Current Transformer Primary Testing Cable
8) CT & PT Secondary Testing Cable
9) PC Test software
Main Function
Ratio error and phase angle error test of CT & PT
Technical Parameter & Features
HES-10 CT&PT Test Bench
| Input Voltage | AC 220+/-10% 50HZ+/-0.5hz |
| Output voltage | AC 0-250V |
| Rated Capacity | 25KVA |
| “Open-circuit demagnetization”, “Closed-circuit demagnetization”, “Error measurement” | |
| Over current protection:>100A | |
| FY current transformer burden,FY voltage transformer burden,HES-1C Digital Transformer Tester,Other Control function etc | |
Digital Transformer Tester
| Voltage Range | 150V, 100V, 100/√3V (customization available) |
| Current range | 5A, 5A(S), 1A, 0.5A |
| Accuracy class | 2.0 |
| Ratio error | ±0.0001% ~ ±19.99% |
| Phase error | ±0.01' ~ ±900' |
| Impedance | 0.001Ω~ 19.99Ω. Minimum resolution: 0.001Ω |
| Admittance | 0.001 ms ~ 19.99ms. Minimum resolution:0.001 ms |
| Rated frequency | 50 or 60HZ |
Standard Current Transformer with current generator
| Rated primary current(A) | 5-5000A |
| Rated secondary current | 5A or 1A |
| Accuracy class | 0.02%, 0.05%, 0.05S%, 0.01%, 0.005% (optional) |
| Rated secondary load | 0.2 ohm |
| Frequency | 50HZ |
| Operating Range | 1%--120% |
| Capacity of Current Source | 25kVA or more |
Fully automatic Current transformer burden box
| Rated Current | 5A, 1A |
| Operating Range | 1%--120% |
| Rated load (VA) | 2.5VA-60VA (customization is available) |
| Rate Frequency | 50Hz or 60HZ |
| Accuracy Class | ±3% |
| Power factor | 0.8, 1.0 |
| Full automatic, three phases can be tested at the same | |
Fully automatic Voltage transformer burden box
| Rated voltage | 100V, 100/√3V or more options |
| Operation Range | 20%--120% |
| Rated load | 1.25VA-80VA (customization is available) |
| Fundamental error | ±3% |
| Power factor | 0.8, 1.0 |
| Rated Frequency | 50Hz or 60Hz |
Standard Voltage Transformer with Voltage Generator
| Rated primary voltage | 6kV,10kV,15kV,22kV,35kV or more option |
| Rated secondary voltage | 100V,100/√3V,110V,110/√3V, or more option |
| Accuracy class | 0.05% or higher accuracy class |
| Secondary capacity | 0.5VA or more option |
| Power factor | cosΦ=1.0 |
| Power frequency | 50HZ |
| Range of operating voltage | 20%--120% |
