120MHz 10kV In Situ Testing System Dielectric Material Charge Measurement System

The GoGo DCD is a specialized Dielectric Charge Discharge Test System designed to accurately evaluate the true discharge performance and energy storage density of advanced dielectric materials. It addresses a critical flaw in conventional hysteresis loop testing, where stored energy flows back to the power source rather than to a real load, often inflating performance metrics. This system directly simulates real-world discharge scenarios by employing a robust high-voltage switch (SPDT) to route stored charge into actual loads. Supporting both underdamped and overdamped discharge modes under variable temperature conditions (RT to 200°C), the DCD system provides researchers with reliable, application-relevant data on the rapid charge-discharge characteristics of ceramics, thin films, and other energy storage materials.

• Authentic Discharge Simulation: Unlike indirect methods, this Dielectric Charge Discharge Test System measures the actual energy released from the material into a defined load (short-circuit or resistive), providing a true assessment of usable energy density and power delivery capability.

• Robust High-Voltage Switching & Measurement: Features a high-voltage switch rated for 10 kV and 1 million cycles, with low parasitic capacitance for minimal energy loss. It integrates a high-bandwidth (120 MHz) current probe capable of measuring discharge pulses up to 100 A with 1 mA accuracy.

• Comprehensive Testing Modes & Environmental Control: Perform both underdamped (short-circuit, high-current) and overdamped (resistive load) discharge tests. Coupled with precise temperature control (±0.1°C), this allows for the study of material behavior across diverse operating conditions and temperatures.

• Direct & Accurate Energy Density Calculation: The system, used with an oscilloscope, captures real-time voltage and current data during discharge. This enables the direct calculation of discharged energy density, eliminating the overestimation inherent in hysteresis loop-derived values.

• Versatile & Fatigue-Resistant Design: The custom sample holder accommodates various geometries (thin films, ceramics). The system supports long-term fatigue testing, making it a complete solution for both fundamental research and reliability assessment of energy storage components.

This critical Dielectric Charge Discharge Test System serves advanced research and development needs in key global markets including Southeast Asia, the Middle East, Russia, and Africa. It is an essential instrument for university materials science and engineering departments, government energy research institutes, and companies developing capacitors, pulsed power devices, and next-generation dielectric energy storage solutions.

1. How does this system provide more accurate data than hysteresis loop testing?
   Hysteresis loops measure energy input to the material, much of which is not recoverable. Our Dielectric Charge Discharge Test System measures the actual energy output delivered to an external load, directly reflecting the material's performance in a real application.

2. What is the difference between underdamped and overdamped testing?
   Underdamped mode (short circuit) tests the material's ability to deliver very high, fast current pulses. Overdamped mode (with a resistor) simulates delivery into a matched load, crucial for calculating actual usable energy density (J/cm³).

3. What sample types can be tested?
   The system is designed for a wide range of dielectrics, including ceramic discs, thick/thin films, and glass samples. The custom holder ensures secure and reliable electrical contact for different geometries.

4. How is the data acquired and analyzed?
   Voltage and current waveforms during discharge are captured by an oscilloscope. The energy for each pulse is calculated by integrating the power (V*I) over time. Our recommended procedures enable direct calculation of discharge energy density.

5. Can this system be used for capacitor fatigue testing?
   Yes. The high-cycle-life switch and programmable control allow for automated long-term charge-discharge cycling, enabling researchers to study performance degradation and reliability under repeated high-voltage stress.