company news about Electric Dynamometer Application Scenarios Analysis

Electric Dynamometer Application Scenarios Analysis

Electric dynamometers can handle a variety of core testing tasks in the laboratory. Like other types of dynamometers, they can perform routine performance tests, including analyzing efficiency curves and torque-speed characteristics under different operating conditions.

This equipment is particularly suitable for long-term stability testing. Its low failure rate and high reliability support continuous operation, and its energy feedback function reduces test energy consumption. Domestic electric dynamometers have been successfully used in durability testing for thousands of hours, performing particularly well under heavy load conditions.

In the field of emission certification, the electric dynamometer can be linked with the exhaust gas analyzer to meet the most stringent testing standards:

• ELR testing: This requires extremely high speed control accuracy (for example, heavy-duty diesel engines must be stable at ±150 rpm) and must complete operating mode switching within 30 seconds according to ISO 8178 standards. Electric dynamometers can accurately achieve this through closed-loop control.

• ETC Testing: As a mainstream adaptable device, the electric dynamometer has dynamic response capabilities that cover three operating conditions: urban, rural, and highway. For example, the frequent load changes in urban conditions require the dynamometer to adjust torque within milliseconds. After parameter optimization, the electric dynamometer can stably support full-cycle testing of diesel and gas engines.