EN
GDCY-20P 10nF Lightning Impulse Voltage Generator
GDCY-20P 10nF Digital Intelligent Portable Lightning Impulse Voltage Generator (±20kV Peak, 2J Energy) with 1.2/50μs Standard Lightning Impulse, ±1% Voltage Accuracy, Manual/Auto/Computer Programmable Modes, 7-inch Touch Screen, Built-in Coupling/Decoupling Interface, for SPD, Low-Voltage Appliance, Electronic Component, EV Charger Impulse Withstand Voltage Test.
- Description
- Specifications
- Applications
- Advantages
- FAQ
- Recommended Products
Description
The GDCY-20P 10nF is a professional, portable desktop lightning impulse voltage test systemexclusively designed for impulse withstand voltage tests of low-voltage electrical equipment and surge protective devices (SPD). It fully complies with IEC 61000-4-5:2014 and GB/T 17626.5-2019 standards, adopting advanced high-voltage solid-state switching technology to generate stable and repeatable 1.2/50μs standard lightning impulse waveforms.
The system features an integrated desktop design with a built-in 10nF standard impulse capacitor, eliminating the need for external wave-shaping components. Equipped with a 7-inch color touch screen and intuitive graphical interface, it supports three operation modes: manual, automatic, and computer programmable. The system automatically measures and displays impulse voltage peak, front time, and time to half-value, and can generate standardized test reports. With comprehensive safety protection including over-voltage, over-current, and emergency stop, it ensures safe and reliable operation in production lines and laboratories. Ideal for 3C certification tests, factory quality control, and research experiments of SPDs, low-voltage switchgear, electronic components, electric vehicle chargers, and household appliances.
Specifications
| Parameter | Specification |
|---|---|
| Rated Output Voltage | ±20kV peak (positive/negative polarity switchable) |
| Main Impulse Capacitance | 10nF (standard) |
| Rated Energy | 2J |
| Output Waveform | 1.2/50μs standard lightning impulse full wave |
| Waveform Parameters | T1=1.2μs±30%, T2=50μs±20% |
| Peak Oscillation | <5% |
| Waveform Repeatability | ≤±1% |
| Charging Voltage Accuracy | ≤±1% |
| Impulse Voltage Measurement Accuracy | ≤±1% |
| Charging Voltage Instability | <±0.5% |
| Trigger Delay | <1μs |
| Repetition Rate | 1 impulse every 10 seconds (continuous) |
| Operation Modes | Manual mode, Automatic mode, Computer programmable mode |
| Programmable Test Sequences | Up to 50 groups |
| Display | 7-inch color touch screen |
| Data Storage | 1000 groups (with time stamp) |
| Data Export | USB flash drive, PDF report generation |
| Communication Interface | RS485, USB |
| Protection Functions | Over-voltage, Over-current, Short-circuit, Emergency stop, Ground detection, Automatic discharge |
| Dimensions (mm) | 550×450×350 (W×H×D) |
| Weight | ~25kg |
| Power Supply | Single-phase AC220V±10%, 50Hz |
| Power Consumption | ≤500VA |
| Operating Temperature | 0℃ ~ +40℃ |
| Operating Humidity | ≤80%RH (non-condensing) |
| Altitude | ≤2000m |
| Compliance | IEC 61000-4-5:2014, GB/T 17626.5-2019, GB/T 18802.1-2020, IEC 61643-11:2011, GB 7251.1-2013 |
Applications
Core Test Objects
- Surge Protective Devices (SPD): Class I, II, III SPDs (voltage limiting type, voltage switching type)
- Low-voltage switchgear: circuit breakers, contactors, relays, distribution boxes
- Electronic components: capacitors, resistors, diodes, transistors, integrated circuits
- Electric vehicle chargers: AC chargers, DC fast chargers, charging piles
- Household appliances: refrigerators, air conditioners, washing machines, televisions
- Photovoltaic inverters: grid-tied inverters, off-grid inverters
- Communication equipment: routers, switches, base stations
Typical Usage Scenarios
- 3C certification tests: mandatory safety certification tests for low-voltage electrical products
- Factory quality control: 100% outgoing inspection of finished products
- Research and development: new product development and performance evaluation
- On-site testing: field inspection of installed SPDs and electrical equipment
- Third-party inspection: compliance testing and certification
- University laboratories: teaching and research experiments
Advantages
Standard 10nF Impulse Capacitor
Built-in 10nF standard capacitor, no external wave-shaping components required → easy to use, consistent test results
High Precision & Excellent Repeatability
≤±1% voltage accuracy and ≤±1% waveform repeatability → ensures reliable and consistent test results
Three Flexible Operation Modes
Manual, automatic, and computer programmable modes → meets different test requirements from simple to complex
Integrated Desktop Design
All-in-one structure, lightweight and portable → suitable for both laboratory and on-site testing
Comprehensive Safety Protection
Multiple protection layers + automatic discharge → maximum safety for operators and test equipment
Cost-Effective Solution
Optimized for low-voltage equipment testing, providing excellent performance at a competitive price → ideal for small and medium-sized enterprises and laboratories
FAQ
Q: What is the principle of GDCY-20P impulse voltage generator?
A: It uses high-voltage solid-state switching technology to charge the 10nF impulse capacitor to the set voltage, then discharges it through the wave-shaping circuit to generate a 1.2/50μs standard lightning impulse waveform.
Q: What waveforms can GDCY-20P generate?
A: It generates 1.2/50μs standard lightning impulse full wave as standard, which is the most commonly used waveform for low-voltage equipment impulse tests according to IEC 61000-4-5.
Q: What is the maximum test voltage it can output?
A: It can output ±20kV peak impulse voltage, covering the test requirements of most low-voltage electrical equipment and SPDs.
Q: Does it support automatic test and report generation?
A: Yes. It supports automatic test mode (set voltage, number of impulses, and interval time) and computer programmable mode. It can automatically record test data and generate standardized PDF test reports.
Q: What safety protection functions does it have?
A: It features over-voltage protection, over-current protection, short-circuit protection, hard-wired emergency stop, ground detection, and automatic discharge of residual voltage after test completion.
