As motor power density and voltage levels continue to increase, partial discharge (PD) has become a critical factor affecting the long-term reliability of motor insulation systems. The Winding Coil PDIV Tester from AIP is specifically designed to evaluate the partial discharge inception voltage (PDIV) and corrosion resistance of enamel-coated wires used in high-voltage motors, ensuring insulation quality at the earliest stage of motor manufacturing.

As a professional Motor Tester developed by one of the best motor tester brands, this system helps manufacturers prevent insulation failure, reduce warranty risks, and improve overall motor performance.

Ⅰ. Designed for High-Voltage Motor Applications

The AIP Winding Coil PDIV Tester is suitable for a wide range of high-voltage motor applications, mainly including:

1. Automotive motors

2. Industrial motors

3. Compressor motors

4. Explosion-proof motors

By accurately detecting partial discharge behavior in insulated winding wires, this tester ensures compliance with modern insulation resistance requirements for high-voltage motors .

Ⅱ. Key Features of the Winding Coil PDIV Tester

1. High Sensitivity & Resolution

The tester is capable of detecting extremely weak partial discharge signals, significantly improving early fault detection and insulation quality control.

2. High-Frequency Sinusoidal Testing

Using a sinusoidal high-frequency test waveform, the PDIV tester accurately evaluates the corona resistance of insulating enamel, which is essential for long-term motor durability.

3. Quantified & Digital Test Results

All test data is digitized with configurable upper and lower limits, making motor insulation testing simpler, more repeatable, and production-friendly.

4. Intuitive Waveform Display

Partial discharge data is displayed in real-time waveform form, providing clear and intuitive visualization for engineers and quality inspectors.

5. Fast Clamping for Production Lines

The efficient clamping design allows quick operation by production-line personnel, reducing unnecessary steps and fully matching modern motor manufacturing rhythms.

Ⅲ. Core Testing Functions

The Winding Coil PDIV Tester focuses on Partial Discharge (PD) testing, also known as insulation corrosion resistance testing. Key functional advantages include:

1. One-stop testing with a single wire connection

2. High test efficiency for R&D and mass production

3. Full compliance with current insulation resistance requirements for high-voltage motors

4. An essential tool for the development, validation, and quality control of insulated winding wires

Ⅳ. Why Choose AIP as Your Motor Tester Partner?

As a trusted Best Motor Tester Brand, AIP combines deep industry experience with advanced testing technology. Our motor testers are designed not only for accuracy, but also for real-world manufacturing environments—helping global motor manufacturers achieve higher reliability, consistency, and competitiveness.

Choosing AIP means choosing:

1. Proven motor testing expertise

2. Stable, repeatable test results

3. Equipment designed for both laboratory and production-line use

Looking for a reliable Winding Coil PDIV Tester or a professional Motor Tester solution?

Contact AIP today to learn how our testers can enhance your motor quality and help you stay ahead in motor manufacturing.