The LDVLF ultra-low frequency high voltage generator is a high-tech product that uses the latest power electronics technology, combined with a 7-inch touch screen and ARM7 single-chip microcomputer control. It is designed specifically for voltage withstand testing of electrical equipment, especially suitable for devices with large insulation equivalent capacitance, such as power cables, power capacitors, large and medium-sized generators and motors.
| OUTPUT FREQUENCY | 0.1Hz、0.05Hz、0.02Hz、0.01Hz |
| Carrying capacity | 0.1Hz MAX 0.5µF 0.05Hz MAX 1.1µF 0.02Hz MAX 2.2µF 0.01Hz MAX 5.5µF |
| measurement accuracy | 3% |
| Voltage positive and negative peak error | ≤3％ |
| Voltage waveform distortion | ≤5％ |
| Conditions of Use | Indoor and outdoor |
| temperature | -10℃～+40℃ |
| humidity | ≤85％RH |
| power supply | 220V±5%，50±5Hz |
| Attention: If using a portable generator for power supply, it is required that the generator output voltage and frequency be stable (generally requiring a power greater than 3kW, a frequency of 50Hz, and a voltage of 220V ± 5%) | |
The capacitance of the test sample shall not exceed the maximum rated capacitance of the instrument, and the numerical values are shown in the table below
| model | rated voltage | Carrying capacity | Power fuse tube | weight |
| 30/1.1 | 30kV (peak value) | 0.1Hz,≤0.5µF | 10A | controller：4㎏ booster：20㎏ |
| 0.02Hz,≤2.2µF | ||||
| 0.05Hz,≤1.1µF | ||||
| 0.01Hz,≤5.5µF | ||||
| 40/1.1 | 40kV (peak value) | 0.1Hz,≤0.5µF | 10A | controller：4㎏ booster：20㎏ |
| 0.02Hz,≤2.2µF | ||||
| 0.05Hz,≤1.1µF | ||||
| 0.01Hz,≤5.5µF | ||||
| 50/1.1 | 50kV (peak value) | 0.1Hz,≤0.5µF | 15A | controller：4㎏ booster：40㎏ |
| 0.02Hz,≤2.2µF | ||||
| 0.05Hz,≤1.1µF | ||||
| 0.01Hz,≤5.5µF | ||||
| 60/1.1 | 60kV (peak value) | 0.1Hz,≤0.5µF | 15A | controller：4㎏ booster：50㎏ |
| 0.02Hz,≤2.2µF | ||||
| 0.05Hz,≤1.1µF | ||||
| 0.01Hz,≤5.5µF | ||||
| 80/1.1 | 80kV (peak value) | 0.1Hz,≤0.5µF | 15A | controller：4㎏ booster：50㎏ |
| 0.02Hz,≤2.2µF | ||||
| 0.05Hz,≤1.1µF | ||||
| 0.01Hz,≤5.5µF | ||||
| 90/1.1 | 90kV (peak value) | 0.1Hz,≤0.5µF | 15A | controller：4㎏ booster：55㎏ |
| 0.02Hz,≤2.2µF | ||||
| 0.05Hz,≤1.1µF | ||||
| 0.01Hz,≤5.5µF |
1. The appearance of the product is subject to the actual product. Technical parameters and models are subject to change without prior notice. 2. To learn more about Longdian products, please enter the product center. Service Hotline: 400-6727-238
Advanced technology, high efficiency and energy saving: The LDVLF ultra-low frequency high voltage generator adopts digital frequency conversion technology and microcomputer control, achieving complete automation of processes such as boosting, lowering, measurement, and protection. Compared with traditional mechanical boosting equipment, this product is more energy-efficient and can feedback excess energy back to the grid, reducing energy consumption.
Multi frequency selection and strong adaptability: The product offers multiple frequency options of 0.1Hz, 0.05Hz, and 0.02Hz, with a wide testing range that can meet the withstand voltage testing needs of electrical equipment of different specifications and types.
Intelligent protection, safe and reliable: The device has multiple built-in protection functions, including overvoltage protection, overcurrent protection, etc., which can quickly respond to abnormal situations during testing, ensuring the safety of testers and equipment. At the same time, the equipment adopts photoelectric control, and the controller is connected to the low-voltage part of the high-voltage generator, making it safer and more reliable to use.
Easy to operate and maintain: The LDVLF ultra-low frequency high voltage generator is equipped with a 7-inch touch screen, which is intuitive and easy to understand. Users can directly set test parameters, monitor the testing process, and view test results through the screen. In addition, the device is small in size and light in weight, making it easy to carry and operate on site.
Data recording for easy analysis: During the testing process, the device can automatically store test data and support exporting to external storage devices through a USB interface. Users can also use the accompanying upper computer software to generate test reports for subsequent data analysis and processing.
Stable performance and long service life: This product uses high-quality electronic components and precise manufacturing processes to ensure the stability and reliability of the equipment. At the same time, the equipment has undergone strict quality inspection and aging testing, with a long service life and the ability to meet long-term testing needs.
