The new DC high voltage generator provides a DC high voltage source, specifically used to test the electrical insulation strength and leakage current of power devices. The intelligent DC high voltage generator is newly researched, designed, and manufactured according to the requirements of the Chinese industry standard ZBF 24003-90 "General Technical Conditions for Portable DC High Voltage Generators". It is a product of the new era. The intelligent DC high voltage generator has multiple protection functions, such as low-voltage overcurrent, low-voltage overvoltage, high-voltage overcurrent, high-voltage overvoltage, zero-position protection, and non-grounding protection. Fault sampling uses a dedicated sensor with a response time at the nanosecond level, and the optical isolation element is also at the nanosecond level. The action time can completely shut off the DC main circuit within 10 microseconds. 1. Smaller size, lighter weight, more beautiful, more reliable, easy to operate, complete functions, suitable for field use, it is the most ideal reliable product in the new century. 2. It adopts the most advanced technology and manufacturing processes, first applying the latest PUM intelligent pulse width modulation technology and pulse train logic array modulation, using high-power IGBT devices, and using intelligent technology to improve efficiency, with a frequency up to 40kHz, resulting in higher output high-voltage stability and smaller ripple coefficient. 3. It is the first to adopt computer control technology, displaying output DC high voltage, current, overvoltage setting, timing, grounding, and various protection information on a large-screen LCD display. 4. It pioneers intelligent poor grounding protection and alarm functions (cannot boost voltage when grounding is poor), voltage measurement circuit disconnection protection (the instrument cannot boost voltage when the high-voltage measurement circuit is disconnected), and an emergency stop button, greatly improving the safety of operators during work. In special cases, the poor grounding protection alarm function can be disabled (such as when using a generator as a power source or when the field grounding is poor but testing can still be conducted). High precision and accurate measurement. Both voltage and current meters are digital displays, with voltage resolution of 0.1kV and current resolution of 0.1uA. The voltage meter on the control box directly displays the voltage value applied to the load test object, so no external voltage divider is needed, and wiring is simple. The instrument has high and low voltage terminals for measuring leakage current. The high-voltage terminal uses a circular shielded digital meter display, which is not afraid of discharge impact, has good anti-interference performance, and is suitable for field use. 5. High voltage regulation stability, smooth voltage adjustment across the full range. The output voltage adjustment uses an imported single multi-turn potentiometer, with a smooth boosting process and high adjustment precision, and is designed with coarse and fine adjustment functions. The voltage adjustment precision is better than 0.1%, the voltage and current measurement error is less than 1.0%, and the ripple factor is better than 0.5%. 6. A high-precision 75% VDC-1mA function has been added, bringing great convenience to zinc oxide arrester measurements. A simple press is all it takes, no calculation needed. The control box of this instrument has a 75% voltage function key. When doing arrester tests, when the current rises to 1000uA, press the 0.75 button. At this time, the values displayed on the voltage and current meters are the 75% data. After completion, immediately return the boosting knob to zero, and also return the fine voltage adjustment knob to zero, and immediately press the green button to cut off the high voltage and turn off the power switch. Then proceed with other tests. 7. The voltage doubling cylinder can be segmented, making it flexible and convenient for field use, and one machine can serve multiple purposes.
The DC high voltage generator is mainly suitable for power departments and some factories and mining enterprises. The functions of the AC/DC high voltage generator are also very numerous. First, it can effectively protect against low voltage too low, or high voltage overcurrent, as well as zero-position protection and non-grounding protection. If any of the above situations occur, the DC high voltage generator can be shut down promptly, and the DC main circuit can be effectively protected from output short circuits. In addition, the DC high voltage generator can also be used to detect leakage and insulation. Furthermore, the DC high voltage generator can also be used as a power source, such as a power source for an oscillation circuit.
Now we should be clear about the functions and functions of the DC high voltage generator. In addition, the DC high voltage generator is used in power departments, metallurgical departments, steel departments, hospitals, and other departments. These high-voltage electrical equipment require a DC high voltage generator for testing when performing DC withstand voltage tests. Especially for the power departments of some enterprises, when testing the DC withstand voltage of zinc oxide arresters, these generators are needed. Because these generators have a certain moisture-proof ability, generally the outside is made of insulating materials, and their scope of use, functions, and applications are very wide.
