Rata Rata Load Bank Rata Load Bank Supplier-1

Product Overview

1) Product overview

Product Features

- 5 MW (5000 kW) resistive AC three-phase load bank, rated for 11 kV systems (other voltages can be customized).

Product Value

- Containerized outdoor design (12 m long) with bolted air ducts for vertical hot-air outlet and waterproofing.

Product Advantages

- Designed for continuous-duty high-voltage load testing of gas power plants, generators and other large power sources.

Application Scenarios

- Remote PC operation supported (Modbus TCP / PLC) with software for saving and printing load test data.

2) Product features

- Rated power: 5000 kW at AC 11 kV; control power AC 380 V, 3-phase 4-wire.

- Loading accuracy ≤ 3% and 3-phase unbalance ≤ 3%; insulation class F.

- Load step resolution 100 kW; step bank configuration: 100 + 200 + 200 + 500 + 1000 + 1000 + 1000 + 1000 kW.

- Resistors: 80/20 Ni-Cr alloy finned elements; large internal resistor bay requiring high-voltage contactor.

- Forced air cooling with horizontal intake and vertical outlet; axial fans, noise < 80 dB at 3 m.

- Digital metering: voltage, current, power, power factor and frequency.

- Protections: high-temperature, low-air-volume, phase sequence, short circuit, fan interlock, access control, temperature & humidity control, emergency stop.

- Parallel expansion capability for combining multiple units.

- Physical details: Q235 steel enclosure (RAL 7035), dimensions 12,000 × 2,530 × 2,600 mm, weight ~18,000 kg; ambient operation -20 °C to 50 °C, up to 2,500 m altitude.

- Communication and reporting: Modbus TCP, PLC control, software supports saving and printing load data.

3) Product value

- Provides a safe, repeatable and accurate means to load-test high-voltage generators and plant systems for commissioning, acceptance testing and routine maintenance.

- Remote-control and data-logging features reduce onsite manpower, improve traceability and simplify reporting and compliance.

- Containerized weatherproof design enables outdoor installation close to units-under-test, reducing cabling and site constraints.

- Scalable via parallel expansion to meet larger test requirements or staged commissioning.

- Rugged, continuous-duty construction minimizes downtime and supports reliable long-term use.

4) Product advantages

- High-voltage, large-capacity (5 MW at 11 kV) capability in a single packaged container — saves site space and simplifies logistics.

- Precise step resolution (100 kW) and multiple step sizes for flexible, repeatable loading profiles.

- Robust safety and monitoring suite (multiple interlocks and protections) to protect equipment and personnel during high-power tests.

- Industrial-grade construction and compliance to international, ship, military and telecom standards; manufactured by an experienced supplier with field support and warranty.

- Low-noise axial fans and engineered airflow for efficient cooling of dense resistor arrays.

- Customization options (voltages, control interfaces) and strong post-sale support from an experienced team.

5) Application scenarios

- Gas and thermal power plant commissioning and full-load performance tests.

- High-voltage generator acceptance testing and routine maintenance/load-bank commissioning.

- Grid connection and synchronization tests for large rotating machines.

- Factory acceptance testing (FAT) for large power equipment and substations.

- Telecom, ship, military and industrial sites requiring high-voltage/high-power load testing and proof-of-performance.

- System capacity verification, UPS and backup system testing, and staged load-growth simulation.