3CTEST PDG 54CXX Series Airborne DC Power Supply Test System – High‑Voltage, High‑Power Full‑Scenario Test Solution

3CTEST New Professional Solution for 1500V / up to 240A / 120kW High‑Voltage Airborne DC Power Supply Testing

Full standard compliance · High‑voltage, high‑power · Four‑quadrant operation

Ultra‑low distortion · Broadband full compatibility

Background

In the aviation industry, airborne electrical systems are rapidly evolving toward higher voltages, higher power, and multiple architectures. 14V/28V/270V/540V voltage platforms coexist, imposing extremely stringent requirements on power supply stability, waveform quality, and dynamic response. Authoritative standards such as MIL‑STD‑704F, GJB 181 series, RTCA/DO‑160G, and HB 20326.7/8 mandate testing for harmonics, ripple, transient characteristics, and high‑voltage disturbances on airborne DC power supplies. A high‑voltage, high‑power, high‑precision, full‑standard‑compliant test system has become an industry necessity.

Technical Challenges

Airborne high‑voltage power supply testing faces multiple technical bottlenecks: insufficient high‑voltage, high‑power output capability to cover 540V/270V systems; inability to support multiple voltage platforms with a single instrument; difficulty meeting aviation‑grade waveform simulation and distortion control; challenges in ripple suppression under high‑power conditions; and low testing efficiency due to insufficient automation and standard libraries.

Solution

The 3CTEST PDG 54CXX Series Airborne DC Power Supply Characteristics Test System is designed for high‑end aviation applications. It supports full coverage of 14V/28V/270V/540V platforms, with output up to 1500V, 240A, 120kW. Featuring ultra‑low distortion, wide frequency response, four‑quadrant load, and remote adaptive compensation, it provides a one‑stop authoritative test solution for high‑voltage, high‑power airborne power supplies.

Key Product Advantages

Full aviation standard coverage – one‑stop compliance testing

Perfectly meets the requirements of MIL‑STD‑704F, all GJB 181 series, RTCA/DO‑160G S16/S18, and HB 20326.7/8 DC standards. A single system completes testing and verification across multiple standards and voltage platforms.

Full multi‑voltage compatibility, high‑power high‑voltage output

Supports testing of DC 14V/28V/270V/540V systems, maximum voltage 1500V.

• PDG 54C12: 60kW / 120A

• PDG 54C24: 120kW / 240A (higher current/power available on request)

Ultra‑low distortion, wide frequency output – high waveform fidelity

Output voltage distortion <0.3%, frequency range DC to 200 kHz. Broadband ripple noise is strictly controlled, accurately reproducing the true characteristics of high‑voltage airborne power supplies.

Multi‑function waveform simulation – full coverage of complex conditions

Supports harmonic output and ripple closed‑loop testing. Built‑in arbitrary waveform generator for editing complex condition waveforms. Full‑power four‑quadrant load accurately simulates various airborne power consumption characteristics.

Intelligent measurement & multiple protections – stable, safe, reliable

Remote compensation adaptive function eliminates line drop errors. Built‑in comprehensive protections: overcurrent, overvoltage, undervoltage, over‑power, overtemperature. 15.6‑inch embedded touch screen, together with CoreLab professional software, supports remote control, automated testing, and one‑click report export.

Integrated industrial design – suited for demanding lab environments

High‑voltage shielded safety interfaces, integrated cabinet design, stable and reliable performance, meeting the long‑term high‑load requirements of aviation laboratories.

Main Specifications

Instrument naming convention (example: PDG 54C24):

• PDG : Airborne DC Power Supply Characteristics Test System;

• 54 : Compliant with DC 540 V system testing, while backward‑compatible with DC 270 V, DC 28 V, DC 14 V, etc.;

• C : Output current level, available in 60 A, 120 A, 180 A, 240 A (higher current available on request);

• 24 : Maximum output current up to 240 A.

3CTEST has been dedicated to the aviation testing field, with a focus on product quality and brand development. We provide test equipment for various applications, including precision instruments. The PDG 54CXX Series Airborne DC Power Supply Characteristics Test System, with its voltage and power capabilities and aviation‑grade accuracy, supports the safe operation of airborne power supplies – and tests meet applicable standards.