Product
NR9600 Series Mobile Substation Transformer Integrated Test System
1. The system meets the requirements for sampling tests of transformers, box-type substations, reactors, and arc suppression coils. 2. The system should adopt a highly integrated, all-in-one structure: integrating the test power supply, control circuit, display, and measurement equipment into a single unit. 3. The testing vehicle is divided into a human-machine interaction terminal and an integrated testing device. The testing device should include an intelligent measurement module, a power distribution module, an automatic switching line module, and a wiring prompt module. 4. Automatically call the intelligent measurement module, power supply module, and switching device, and start the detection item by item. Automatically complete the voltage, current output, parameter measurement, gear switching, and data upload for each test item. 5. It should adopt a standardized modular structure design, with a unified appearance structure with other intelligent measurement modules. It is built into the testing vehicle and should have a plug-in structure design for easy maintenance and inspection. 6. Detachable structure. For indoor transformers where the mobile vehicle cannot enter, the testing device is separated from the vehicle. The device itself is supported by a vehicle-mounted hydraulic rod, separated from the vehicle body, and the testing device automatically extends the mobile wheels. The electric control moves the testing device to the position of the device under test.
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Product description
1. The system meets the requirements for sampling tests of transformers, box-type substations, reactors, and arc suppression coils;
2. The system should adopt a highly integrated, all-in-one structure: integrating the test power supply, control circuit, display, and measurement equipment into a single unit;
3. The testing vehicle is divided into a human-machine interaction terminal and an integrated testing device. The testing device should include an intelligent measurement module, power distribution module, automatic switching line module, and wiring prompt module;
4. Automatically call the intelligent measurement module, power supply module, and switching device, and start the detection item by item, automatically completing the voltage, current output, parameter measurement, gear switching, and data upload of each test item;
5. It should adopt a standardized modular structure design, consistent with the appearance structure of other intelligent measurement modules, built into the testing vehicle, and should have a plug-in structure design for easy maintenance and inspection;
6. Detachable structure. For indoor transformers where the mobile vehicle cannot enter, the testing device is separated from the vehicle. The device itself is supported by a vehicle-mounted hydraulic rod, separated from the vehicle body, and the testing device automatically extends the mobile wheels, and the electric control moves the testing device to the position of the transformer under test.
Test Process
| Serial Number |
Sample Name |
Detection Level |
Test Item |
| 1 |
Transformer |
Partial Class B |
Measurement of DC insulation resistance between windings and to ground |
| Absorption Ratio Measurement |
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| Measurement of Winding Resistance |
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| Voltage Ratio Measurement and Connection Group Identification |
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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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| Induced Voltage Withstand Test |
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| Temperature Rise Test (below 630kVA) |
|||
| Measurement of No-load Loss and No-load Current at 90% and 110% Rated Voltage |
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| Measurement of Zero-sequence Impedance of Three-phase Transformer (below 630kVA) |
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| Insulating Oil Test |
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| 2 |
Reactor |
Class C |
Measurement of Winding Resistance |
| Measurement of Insulation Resistance between Windings and Ground |
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| Insulating Oil Test |
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| 3 |
Arc Suppression Coil |
Class C |
Insulation Resistance Measurement |
| Measurement of Winding Resistance |
|||
| Voltage Ratio Measurement (when there is a secondary winding) |
|||
| Insulating Oil Test |
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| 4 |
Box-type Substation |
Partial Class B |
DC Insulation Resistance Measurement |
| Measurement of DC Resistance Imbalance Rate |
|||
| Voltage Ratio Measurement and Connection Group Identification |
|||
| Measurement of No-load Loss and No-load Current |
|||
| Measurement of Short-circuit Impedance and Load Loss |
|||
| Induced Voltage Withstand Test |
|||
| Temperature Rise Test (below 630kVA) |
|||
| No-load Current Harmonic Measurement |
|||
| Measurement of Zero-sequence Impedance of Three-phase Transformer (below 630kVA) |
|||
| Insulating Oil Test |
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