Máy phát điện áp xung sét
Product Introduction
The Impulse Voltage Test System is a specialized testing equipment designed to simulate high-amplitude transient voltage conditions. In real-world scenarios, pulsed high voltages are commonly encountered in phenomena such as natural lightning strikes, where extremely high pulse currents and voltages occur at the point of impact and induce significant transient voltages in the surrounding areas. Similarly, switching operations within power systems can generate transient overvoltages with amplitudes often reaching tens to hundreds of kilovolts, posing serious risks to equipment integrity and personnel safety. To assess and mitigate these risks, experimental research on impulse voltage is essential. Moreover, simulating natural lightning phenomena provides valuable insight into discharge mechanisms and contributes to advancing electrical insulation and protection technologies.
Technical Advantages
1. Low Inductance Circuit Design: Utilizes resistive filtering measures, enabling the generation of standard impulse waves even under large capacitive loads and high load capacity conditions.
2. High Voltage Utilization Efficiency: Demonstrates exceptional performance with lightning impulse voltage utilization of no less than 85% and switching impulse voltage utilization exceeding 80%.
3. User-Friendly Operation: Features simple waveform adjustment, intuitive controls, excellent synchronization performance, and reliable system operation.
4. Advanced Charging Control: Employs constant-current charging with automated control technology, achieving a high degree of automation and strong anti-interference capability.
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Thông số sản phẩm
| Điện áp sạc | Setting range | 0~800kV |
| Phạm vi công việc | 10.0~800.0kV | |
| Setting deviation | ≤±1% | |
| Instability degree | ≤±1% | |
| Setting resolution | 0,1kV | |
| Thời gian sạc | Setting range | 30 ~ 180 giây |
| Setting resolution | 1 giây | |
| Độ trễ báo động | 2 giây | |
| Number of pressure | Setting range | 1~999 |
| Protection setting | Giá trị bảo vệ quá dòng | configurable |
| Giá trị bảo vệ quá áp | configurable | |
| Dynamic charge protection | Can be Selected |
Typical configuration
1. Lightning impulse voltage generator body: the core equipment that generates high-voltage impulse waves.
2. Low damping lightning impulse capacitive voltage divider: used for measuring high voltage impulse voltage, with high accuracy, such as an accuracy of up to 1.0%.
3. The computer fully automatic control system for lightning impulse voltage test: realizes the automation control of the test process, improves the efficiency and accuracy of the test.
4. Fully automatic digital lightning impulse measurement and analysis system: Analyze and process measurement data to generate detailed test reports.
5. Wave adjusting resistor and accessories: used to adjust the parameters of the impulse voltage waveform to meet different test requirements.
6. Automatic rectification charging power supply device: provides stable charging power for capacitors, ensuring the stability and reliability of the charging process.
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Key application areas
1. Type testing and factory testing of high-voltage electrical equipment: According to national standards, insulation impact withstand testing is mandatory for transformers, GIS and other products to verify their design safety margins and ensure product quality.
2. Electric power research and testing institutions: As the core equipment of third-party testing laboratories, universities, and research institutes, it is used for the performance research of insulation materials, the verification of new equipment technologies, and the formulation of standards.
3. Handover and Sampling Inspection of Power Equipment: Conduct on-site or laboratory impulse withstand voltage sampling of key equipment in important power transmission and transformation projects to evaluate their long-term operational reliability.
4. Performance testing of overvoltage protection equipment such as lightning arresters: used to test the operating characteristics and protection level of protective devices such as metal oxide surge arresters (MOAs) under impulse voltage.
Frequently Asked Questions
Q1: How to deal with the unqualified test data of the lightning impulse voltage generator test device?
A1: First, eliminate wiring errors and environmental interference factors, and measure again. If it is still not qualified, it should be reported to the equipment management department for further inspection.
Q2: Can the lightning impulse voltage generator test device be used for the detection of GIS equipment?
A2: It is necessary to confirm whether the interface and range of the lightning impulse voltage generator test device match the detection requirements of GIS equipment. Some GIS equipment requires dedicated adapters.
Q3: Do I need to discharge after the experiment is completed?
A3: It is mandatory. After the voltage withstand test is completed, the tested equipment must be fully discharged through a discharge rod before the wiring can be removed to ensure safety.
Q4: Can the lightning impulse voltage generator test device be used near live equipment?
A4: Not allowed. The lightning impulse voltage generator test device can only be connected for measurement after confirming that the tested equipment is completely powered off, tested, and grounded.
Q5: How long does the battery life of the lightning impulse voltage generator test device last?
A5: It can work continuously for about 4 to 6 hours when fully charged. It is recommended to prepare backup batteries on site or use an external power adapter.
Q6: Is the measurement result of the lightning impulse voltage generator test device greatly affected by temperature?
A6: It has an impact. When used within the ambient temperature range of 5 ℃ to 40 ℃, there may be deviations in measurement data at extreme temperatures.
