Product Introduction:
1. Project location:
2. Equipment Name: 35KV High Voltage Shielding Test Hall
3. Overall equipment requirements:
The building dimensions of the high-voltage test hall are: 9m in length, 5m in width, and 4m in height. The shielding system of the test hall should comprehensively consider the factors of building decoration, electrical engineering, environmental protection, safety prevention technology, HVAC purification technology, computer science, weak current control, fire protection, electromagnetic radiation and other comprehensive disciplines. Based on the design principles of aesthetics, practicality, economic rationality and easy management, it should meet relevant national standards, achieve advanced technology, economic rationality, convenient construction, safety and reliability.
4. The shielding system of this high-voltage test hall is a turnkey project, including the sub projects listed in the table below:
| No. | Equipment Components | Quantity | Remarks |
| 1 | Grounding System | 1 комплект | New |
| 2 | Shielding Shell | 1 комплект | New |
| 3 | Electric Sliding Airtight Shielding Door | 1 комплект | New |
| 4 | Controller | 1 комплект | New |
| 5 | Manual Shielding Door | 1 блок | New |
| 6 | Power Distribution System for Shielding Room and Control Room | 1 комплект | New |
| 7 | Ventilation System | 1 комплект | New |
| 8 | Third-party Inspection Report | 1 copy | New |
| 9 | Other | Details in this proposal |
5. The supplier shall carry out the secondary design of the shielding system in the testing hall according to the drawings provided by the demander.
6. Specific scope of supply: The supplier is responsible for the design, supply, installation, and commissioning work, providing product and supporting facility drawings, operating procedures, and providing technical services such as maintenance and operator training to the demander. The purchaser is responsible for the civil engineering and testing equipment wiring, and the supplier provides technical cooperation; Provide a third-party verification report during the acceptance of the shielding hall. Firstly, the shielding room shall be inspected separately, and a shielding effectiveness testing report shall be issued. After the installation of the test equipment, a joint inspection shall be conducted. The specific inspection report shall be subject to the joint inspection of the three parties (the test equipment party, the shielding hall party, and the demand party).
Performance Indicators:
1、Project Purpose
The shielding project of this high-voltage hall meets the requirements for the test environment of high-voltage AC and DC power transmission and distribution products up to 35kV (with reserved space for upgrading to 2kV for test equipment), including AC and DC withstand voltage tests, partial discharge tests, and cable accessory tests.
2、Technical Requirements for the Test Hall
Условия эксплуатации
| Environmental Temperature | Minimum: -10℃, Maximum: +40℃ |
| Относительная влажность | 20%—95% |
| Высота | Below 500m |
| Installation Method | Indoor |
| Источник питания | Three-phase five-wire 380VAC (±10%), 50Hz (±1Hz) |
Технические характеристики
| Измерение | High-voltage hall shielding shell dimensions | Approximately 9×5×4 (H) m |
| Control room dimensions | 3.5×2.5×2.8 (H) m | |
| Shielding Range | Shielding effectiveness | Magnetic field 14kHz~1MHz ≥60dB |
| Electric field | Electric field 100 kHz~1GHz ≥70dB | |
| Reverberation time | <55 (at 100Hz) | |
| Seismic intensity | 7 degrees | |
| Grounding resistance | ≤1.0Ω | |
| Изоляционное сопротивление | Floor | ≥1000MΩ |
| Shielding room and main building | ≥10kΩ | |
| Background noise | ≤2.0pC |
Test site
The high-voltage test hall is a six-sided shield structure with a length of 9m, a width of 5m and a height of 4m. The four walls and ceiling shields are made of single-layer shielding plates splicing, assembling and welding. The shielding system of the test hall should consider building decoration, electrotechnics, environmental protection, safety technology, HVAC purification technology, computer specialty, weak current control specialty, fire protection specialty, electromagnetic radiation and other comprehensive disciplinary factors.
