Fully Automated 600 kV Impulse Voltage Generator with IEC and UL Certification

1. The main circuit design employs the SGS series from Swiss company HAEFELY, achieving an overall ultra-compact size.
2. The low-speed gear-rack transmission mechanism operating at one revolution per minute enables precise adjustment of ball clearance across all levels, offering not only noise-free operation and minimal wear but also rapid and accurate positioning.
3. The wave-shaping resistor is secured using a spring-clamped, easy-to-insertion-and-extraction mechanism, ensuring reliable contact and producing a smooth, burr-free output waveform.
4. The pulse amplifier integrated with the HGCS2008 control system provides a trigger range of over 20% for the synchronous ball gap, ensuring reliable triggering and enabling convenient, reliable fully automatic control.
5. The synchronous ball gap triggers the non-polarity effect without requiring bilateral triggering.

1. The main capacitors are high-density solid-state capacitors, each with a capacitance of 1.5 ± 0.05 μF and a DC operating voltage of ±100 kV. These capacitors feature an inherent inductance of less than 0.2 μH, offering lightweight and compact design—a pioneering innovation in China.
2. Under normal operating conditions and environments, the deformation of capacitors due to surface irregularities shall be less than 1 mm.
3. The capacitor features a solid insulating medium and a dry, fully insulated enclosure, eliminating issues such as oil leakage or deformation.

1. The wave head and wave tail resistors possess sufficient thermal capacity to ensure the generator operates continuously for extended periods.
2. The charging resistor possesses sufficient thermal capacity to ensure the generator operates continuously for extended periods.
3. The wave head and wave tail resistors feature a plate-shaped structure, wound with non-inductive Kang copper wire, with an external insulation resin vacuum cast layer. The joints employ spring crimping technology for easy installation.
4. The connectors for the wave head and wave tail resistors are manufactured using 3 mm stainless steel wire cutting.
5. A total of one set of half-wavehead resistors and two sets of half-wavetail resistors are used for lightning surge protection, along with one set each of charging resistors and protective resistors.

The HGCS2008 fully automatic control system provides comprehensive control functions for the main unit of the impulse voltage generator, fully meeting all requirements for impulse testing. The HGCS2008 control system employs imported components and connects to the equipment main body via a two-core optical cable.

4.2.4.1 The HGCS2008 fully automatic control system employs Mitsubishi Corporation's FX2N series programmable controllers as its core component, resulting in a compact design housed within a standard 19-inch 4U international chassis, functioning as an independent unit. The controller supports both manual and automatic control modes and features a computer interface for integration with dedicated software packages, enabling intelligent computer-controlled operation. These software packages can be used in conjunction with peak voltage meters and oscilloscopes for measurement and waveform analysis, achieving integrated computerized measurement and control in the impulse voltage testing system.

The HGCS2008 fully automatic control system's main operating unit (and auxiliary operating unit) employs Mitsubishi Corporation's graphical human-machine interface display as its input/output control device. The unit features a compact design with a standard 19-inch 7U chassis compliant with international specifications, where all control commands and status displays are presented via the interface display. The unit connects to computers via an RS232 interface, and specialized control software packages enable computers to perform all fully automated measurement and control operations.

4.2.4.2 The control system possesses the following control functions: By employing PLC technology and using dual-core optical fibers to transmit control commands and feedback device status, electromagnetic interference is avoided, thereby enhancing the security of both the control system and the computer. The control functions include manual, fully automatic, and program-controlled modes, with each level operating independently to ensure system reliability. It employs a thyristor-based voltage regulation method and features a charging voltage feedback measurement system. The ignition gap and cutting gap distances can be adjusted manually or automatically, with the adjustments displayed on the LCD panel. It features an adjustable delay cut-off trigger pulse and a feedback system activated by the generator ignition. By employing a function-controlled constant-current charging method, the stability of the charging voltage can reach 0.5%. The LCD panel displays the charging voltage and charging process of the impact generator with an accuracy of 1%. The charging voltage and duration can be directly input via the LCD panel. Equipped with abnormal charging protection functionality, capable of automatically or manually generating trigger ignition pulses. An indication of the shock generator's operating status, such as spontaneous combustion, untriggered, abnormal charging, or stable charging. Grounding and grounding release control for the main unit and charging section of the device. The charging voltage polarity can be automatically switched using the button on the controller. A charging process that allows automatic or manual control of the charging voltage The alarm can be activated automatically or manually. Automatic protection against overcurrent and overvoltage

4.2.4.3 Synchronous Ball Gap: The first stage employs a three-electrode ball gap trigger with a trigger range exceeding 20%.

1. An electromagnetic automatic grounding mechanism connects the first-stage capacitor of the generator to ground via a grounding resistor.
2. Grounding operations and charging control are equipped with interlocking protection to ensure safe and proper operation.