900V 930kW DC Resistive Load Bank

Overview

The GROADA 900V 930kW DC Resistive Load Bank is an advanced high-power testing solution designed for large-scale DC systems, including battery energy storage systems (BESS), DC microgrids, EV fast-charging networks, and industrial power verification. Built with industrial-grade resistive elements and precision control technology, this load bank provides stable, repeatable, and safe performance for critical DC testing applications.

With its 900V DC input range and 930kW load capacity, the unit enables engineers to simulate real-world operating conditions, perform performance validation, and ensure long-term reliability of power conversion and storage systems.

Key Features

High Power, High Voltage Capability

• Rated up to 900V DC, supporting testing for high-voltage battery packs, DC converters, and ESS modules.

• 930kW continuous load capacity ensures comprehensive system verification even under maximum stress.

Precision Control and Load Segmentation

• Multiple resistive load steps allow fine-grained control over load application.

• Provides stable and repeatable load increments for both manual and automated testing scenarios.

• Optional remote control interface (RS-485/Ethernet) enables integration with SCADA or test benches for fully automated testing cycles.

Advanced Safety and Protection

• Built-in protection systems include over-temperature, over-current, short-circuit, and airflow failure detection.

• Automatic shutdown mechanisms prevent damage to both the load bank and the equipment under test.

• Emergency stop switch and interlock circuits meet international testing safety standards.

Rugged Industrial Construction

• Heavy-duty steel frame with powder-coated surface for corrosion and heat resistance.

• Optimized cooling channels with forced-air ventilation maintain temperature stability even under full load.

• Designed for harsh industrial environments such as energy storage plants, test laboratories, and power substations.

Customization and Integration

• Optional communication ports for remote operation and data logging.

• Custom load ratings, control methods, and enclosure materials available upon request.

• Tailored engineering support for specific application or voltage range (e.g., 600V, 800V, or 1000V DC).

Applications

1. Energy Storage System (ESS) Testing

Ideal for validating large-scale battery energy storage systems. The load bank simulates discharge cycles, efficiency evaluation, and safety analysis under controlled conditions, helping identify degradation patterns and optimize system design.

2. DC Fast Charging and EV Infrastructure

Supports performance verification for high-voltage DC charging systems by simulating heavy load conditions. Ensures reliability, safety, and power stability in EV charging networks.

3. Power Electronics and Converter Testing

Used to test DC/DC converters, rectifiers, and inverters by applying controlled load profiles. Enables manufacturers to verify system response, voltage regulation, and thermal behavior.

4. Telecom and Data Center Power Systems

Supports load testing for DC backup power and rectifier systems, ensuring the stability and endurance of telecom infrastructure and critical facilities.

5. Research, Development, and Commissioning

Provides engineers and R&D teams with a versatile platform for system-level validation, endurance testing, and factory acceptance testing (FAT) in controlled environments.

Technical Advantages

• High Accuracy: Resistor elements are engineered with low temperature coefficients, ensuring stability over long test durations.

• Efficient Cooling: Forced-air cooling with intelligent airflow monitoring extends the service life of resistors.

• Durability: Industrial-grade materials and thermal insulation guarantee consistent performance under continuous use.

• Scalability: Modular load segments enable stepwise expansion or parallel operation with other GROADA load banks.

• User-Friendly Operation: Digital control interface, fault alarms, and data recording options simplify operation and monitoring.

Why Choose GROADA

Expertise and Experience

With years of expertise in designing high-precision load testing equipment, GROADA is trusted by global clients across energy storage, EV charging, and industrial power sectors. Our engineering team ensures each product meets rigorous quality standards through continuous testing and calibration.

Quality and Certification

All GROADA load banks are manufactured under ISO 9001 quality control systems. Every unit is factory-tested for electrical, mechanical, and thermal reliability before shipment. CE-compliant design ensures global market readiness.

Custom Engineering Support

Our in-house R&D and engineering team can customize every aspect of the load bank — from voltage/current ratings to communication interfaces — ensuring an exact fit for your project needs.

Long-Term Service Commitment

We provide comprehensive after-sales support, including installation assistance, calibration, maintenance, and technical consultation. Every unit comes with a standard 2-year warranty and lifetime technical support.

Typical Specifications (Model Reference)

Industry Insight

The demand for DC load banks has surged alongside the rapid growth of renewable energy, electric vehicles, and energy storage systems. As the global BESS market exceeds 150 GWh annually, precise DC testing becomes critical for ensuring battery performance, safety, and compliance.

According to leading power testing standards (IEC 61010, UL 508A), modern load banks must integrate modular resistor design, temperature monitoring, and automated safety protection — all of which are core to GROADA’s engineering philosophy.

By combining advanced control systems with robust mechanical design, the GROADA 900V 930kW load bank enables energy engineers and system integrators to perform validation with confidence, reliability, and repeatability.

Conclusion

The GROADA 900V 930kW DC Resistive Load Bank is more than just a testing tool — it is a vital instrument for power system validation, performance optimization, and safety assurance.
Whether you are commissioning a utility-scale energy storage project, testing high-voltage converters, or performing R&D validation, GROADA delivers the precision, durability, and engineering excellence your application demands.

GROADA — Your trusted partner in DC load testing and energy performance validation.