SSCD250-1500-4000 250kW Diesel Engine Electric Dynamometer Test Bench System

SSCD250-1500-4000 250kW Diesel Engine Electric Dynamometer Test Bench System

1. SSCD250-1500-4000 250kW Diesel Engine Electric Dynamometer Test Bench System Overview

The SSCD250-1500-4000 250kW diesel engine electric dynamometer test bench system uses a high-power AC electric dynamometer as the core testing unit, paired with an imported four-quadrant active frequency converter inverter system to achieve efficient energy feedback to the grid, balancing testing accuracy and energy-saving benefits. The system uses the Xunlan XLE1000 measurement and control system as its control core, automatically completing various test cycles required by regulations and user-defined parameters. It seamlessly integrates external auxiliary equipment such as transient fuel consumption meters, temperature control devices, and smoke meters. Through a high-precision data acquisition system, it captures various engine operating parameters in real time, and generates standardized test reports after processing by professional software. It is suitable for multi-dimensional testing needs of 250kW diesel engines, including power performance, emission characteristics, and reliability.

2. SSCD250-1500-4000 250kW Electric Dynamometer Technical Parameters

3. SSCD250-1500-4000 250kW Diesel Engine Electric Dynamometer Test Bench System Reference Standards

This system strictly adheres to relevant national mandatory and recommended standards to ensure the authority and universality of test results. Specific reference standards are as follows:

1) GB17691-2018 "Emission Limits and Measurement Methods for Pollutants from Heavy-Duty Diesel Vehicles": A national mandatory standard specifically formulated for diesel engine emission testing to ensure that test results comply with environmental regulations.

2) GB/T 18297-2024 "Test Methods for Performance of Automobile Engines": A national recommended standard applicable to all types of automobile engines (including diesel and gasoline engines), which standardizes the procedures and methods for performance testing.

3) GB/T 17692-2024 "Test Method for Net Power of Automobile Engines and Drive Motors": a national recommended standard that clarifies the technical requirements and calculation methods for testing the net power of engines.

4) GB/T 19055-2024 "Test Methods for Reliability of Automobile Engines": A national recommended standard that provides unified test specifications and evaluation basis for engine reliability testing.

4. SSCD250-1500-4000 250kW Diesel Engine Electric Dynamometer Test Bench System Technical Advantages

1) High dynamometer accuracy: Equipped with a German HBM brand 0.05% FS high-precision torque sensor, and paired with the predictive torque compensation module of the ABB ACS880 frequency conversion system, it achieves an ultra-low speed fluctuation of ±0.02% in the constant torque range of 0-1500rpm, accurately capturing the low-speed high-torque characteristics of the engine, and meeting the precision testing needs of heavy equipment;

2) Wide adaptability to operating conditions: Supports a wide speed test range of 1500-4000rpm, covering all operating conditions of constant torque and constant power, and can simulate complex operating conditions such as sudden load changes and continuous load changes, adapting to the steady-state, transient and dynamic test requirements of 250kW large displacement diesel engines.

3) Significant energy-saving benefits: The energy feedback topology, which adopts a three-stage LC filter + IGBT parallel current sharing design, has an energy feedback efficiency of up to 98.7%, reducing energy consumption by more than 30% compared with traditional dynamometer equipment, saving more than 850,000 kWh of testing energy per year, and significantly reducing long-term operating costs.

4) The system is stable and reliable: It integrates the Seelong XLE1000 high-precision measurement and control system with a multi-dimensional data acquisition module to monitor key parameters such as engine temperature, pressure, torque, and speed in real time. It has automatic fault diagnosis, alarm and emergency protection functions to ensure stable operation of the equipment under long-term high load.

5) Highly compatible and adaptable: It complies with multiple national core standards and can be adapted to 250kW-class diesel engines of different brands and models. It supports various test items such as power performance, emission characteristics, reliability, and durability, and flexibly meets the needs of different scenarios such as R&D, production, and testing.

5. SSCD250-1500-4000 250kW Diesel Engine Electric Dynamometer Test Bench System Application Areas

1) Heavy-duty commercial vehicle R&D: Optimization of power performance and emission control of diesel engines for heavy-duty trucks, buses and other commercial vehicles to meet the requirements of China VI and above environmental regulations, and to provide data support for engine and vehicle matching;

2) Construction machinery verification: Adapted to diesel engines used in construction machinery such as excavators, loaders, and cranes, the engine's reliability, durability, and power output stability are verified by simulating sudden load changes and continuous high-load operation under harsh working conditions.

3) Marine power testing: Simulating variable load and continuous operating conditions during ship navigation, testing the propulsion efficiency, fuel economy, emission performance and long-term operating stability of marine diesel engines, providing a basis for the optimization of marine power systems;

4) Generator set evaluation: Used for testing the power performance of diesel generator sets, focusing on evaluating voltage stability, frequency stability and continuous power supply capability under load, to ensure the reliable operation of emergency power generation systems and industrial backup power supplies;

5) Repair and Remanufacturing Testing: For 250kW-class diesel engines that have been repaired or remanufactured, a comprehensive performance re-inspection and quality rating are conducted to ensure that the power performance and emission indicators of the repaired engines meet the relevant standards and requirements, thus guaranteeing the quality of remanufactured products.

6. SSCD250-1500-4000 250kW Diesel Engine Electric Dynamometer Test Bench System Model List