High Voltage Insulation Tester

The RDYD-5kVA/50kV AC Withstand Voltage Test Device is a compact and lightweight high-voltage testing instrument with a practical design and complete functions. It is easy to operate and suitable for insulation strength testing of high-voltage electrical equipment, components, and insulation materials in power systems, industrial facilities, and research laboratories.

The operating table (control console) works together with the high-voltage test transformer to perform AC withstand voltage and leakage current tests. It is an essential solution for high-voltage testing applications, helping engineers evaluate insulation performance and ensure electrical safety.

Withstand voltage testing includes AC and DC methods. AC withstand testing mainly covers power frequency, variable frequency, and 0.1Hz very-low-frequency (VLF) technologies. As an IEC-recommended advanced testing method, 0.1Hz VLF technology offers excellent performance for high-voltage insulation testing.

The RDVLF-Z40Y features auto-variable frequency true sine wave output (0.1–0.01Hz), real-time voltage and current waveform display, optical isolation, closed-loop feedback control, and overvoltage/overcurrent protection. With high-voltage side direct sampling, data storage, built-in printer, and portable design, it is suitable for on-site AC withstand voltage testing.

RDSL-82 Series Primary Current Injector is designed for high current injection testing in power plants, substations, laboratories, and electrical equipment manufacturers. Features compact design, easy operation, and reliable performance.

The RDSL-82-100D Primary Current Injector is an essential testing device widely used for electrical commissioning and debugging in various industries. It is commonly applied in power plants, power transmission and distribution stations, electrical equipment manufacturing facilities, research institutions, laboratories, and other professional organizations. Designed for short-term or intermittent operation, this equipment features a compact structure, lightweight design, reliable performance, and convenient operation and maintenance.

The RDSL-82 Series Primary Current Injector is an essential testing device for electrical commissioning and debugging in various industries. It is widely used in power plants, power transmission and distribution stations, electrical equipment manufacturers, research institutes, laboratories, and other related fields.

Designed for short-time or intermittent operation, the RDSL-82 Series features a compact size, lightweight design, reliable performance, and easy operation and maintenance. It provides a convenient and efficient solution for primary current testing applications.

This equipment is mainly used for power frequency withstand voltage and partial discharge testing of electrical products up to 35 kV class, including instrument transformers, power transformers, high-voltage circuit breakers, and cable accessories. It is also suitable for scientific research and laboratory testing applications.

It is designed for indoor use under standard operating conditions, with altitude up to 1000 m, temperature from -10°C to +40°C, and humidity ≤90%. It requires a stable sine wave power supply (distortion <3%) and a reliable grounding system with resistance below 0.5 Ω to ensure safe and accurate testing.

The RDCJ-DY series impulse voltage generator is used for impulse voltage testing of electrical equipment, including lightning impulse full wave, chopped wave, and switching impulse wave.

It can generate up to eight standard waveforms such as lightning wave, switching wave, chopped wave, oscillating waves, and steep wave forms for insulators and transformers. The equipment fully meets IEC and national standards and is at an advanced international level.

This temperature rise test device is mainly composed of a fully automatic temperature rise test system, a flow-up transformer, an induction voltage regulator, and a temperature control inspection system.

The RDZGH-200/10 DC High Voltage Generator features advanced technology, lightweight design, and compact size with high output power. It offers stable over-voltage and over-current protection, zero-position switching, a 0.75× voltage latch, and a time relay with audio alarm. Reliable and easy to operate, it is ideal for field testing in power departments.