Product
NR9100 Series Fully Automatic Transformer Integrated Test System
1. The system meets the requirements for sampling and testing of distribution transformers and box-type substations below 2500kVA/10kV; 2. Human-machine interaction terminal and integrated testing device, the testing device includes intelligent measurement module, power distribution module, automatic switching line module, wiring prompt module; 3. Automatically call the intelligent measurement module, power supply module, switching device, and start the detection item by item, automatically complete the voltage, current output, parameter measurement, gear switching, and data upload of each test item
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Product description
1. The system meets the requirements for random inspection and testing of distribution transformers and box-type substations below 2500kVA/10kV;
2. Human-machine interaction terminal and integrated testing device, the testing device includes intelligent measurement module, power distribution module, automatic switching line module, connection
line prompt module;
3. Automatically call the intelligent measurement module, power supply module, switching device, and start the detection item by item, automatically complete the voltage, current output, parameter measurement, gear switching, and data upload of each test item
| Serial Number |
Sample Name |
Category |
Project Name |
| 1
|
Transformer
|
Class B
|
Measurement of DC insulation resistance between windings and to ground |
| Absorption Ratio Measurement |
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| Measurement of dielectric loss factor of insulation system capacitance (applicable to oil-immersed transformers) |
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| Measurement of capacitance between windings and to ground |
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| Measurement of winding resistance |
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| Measurement of voltage ratio and verification of connection group number |
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| Measurement of no-load loss and no-load current |
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| Measurement of short-circuit impedance and load loss |
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| External withstand voltage test |
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| Induced withstand voltage test |
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| Partial discharge measurement (applicable to dry-type transformers) |
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| Insulating liquid test (applicable to oil-immersed transformers) |
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| Pressure sealing test (applicable to oil-immersed transformers) |
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| Temperature rise test |
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| Measurement of no-load loss and no-load current at 90% and 110% rated voltage |
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| Short-time overload capacity test (applicable to oil-immersed transformers) |
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| Sound level determination |
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| Pressure deformation test (applicable to oil-immersed transformers) |
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| Measurement of zero-sequence impedance of three-phase transformer (applicable to oil-immersed transformers) |
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| Measurement of dissolved gases in insulating liquid |
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| 2
|
American style box-type
|
Class B
|
DC insulation resistance measurement |
| Measurement of DC resistance unbalance rate |
|||
| Measurement of voltage ratio and verification of connection group number |
|||
| Measurement of no-load loss and no-load current |
|||
| Measurement of short-circuit impedance and load loss |
|||
| External withstand voltage test |
|||
| Induced withstand voltage test |
|||
| Temperature rise test |
|||
| No-load current harmonic measurement |
|||
| Measurement of zero-sequence impedance of three-phase transformer |
|||
| 3 |
European style box-type |
Class B |
Temperature rise test |
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