Product parameters:
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 set | New |
2 | Shielding Shell | 1 set | New |
3 | Electric Sliding Airtight Shielding Door | 1 set | New |
4 | Controller | 1 set | New |
5 | Manual Shielding Door | 1 unit | New |
6 | Power Distribution System for Shielding Room and Control Room | 1 set | New |
7 | Ventilation System | 1 set | 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
Operating Conditions
Environmental Temperature | Minimum: -10℃, Maximum: +40℃ |
Relative Humidity | 20%—95% |
Altitude | Below 500m |
Installation Method | Indoor |
Power Supply | Three-phase five-wire 380VAC (±10%), 50Hz (±1Hz) |
Technical Specifications
Dimension | High-voltage hall shielding shell dimensions | Approximately 9×5×4 (H) m | Dimension |
Control room dimensions | 3.5×2.5×2.8 (H) m | ||
Shielding Range | Shielding effectiveness | Magnetic field 14kHz~1MHz ≥60dB | Shielding Range |
Electric field | Electric field 100 kHz~1GHz ≥70dB | ||
Reverberation time | Reverberation time | ||
Seismic intensity | 7 degrees | Seismic intensity | |
Grounding resistance | ≤1.0Ω | Grounding resistance | |
Insulation resistance | Floor | ≥1000MΩ | Insulation resistance |
Shielding room and main building | ≥10kΩ | ||
Background noise | ≤2.0pC | Background noise |
