Discharge detection system and detection method of power battery pack of electromobile

The invention provides a discharge detection system of a power battery pack of an electromobile, and a detection method of the detection system. The system comprises a power battery pack, a complete electromobile controller, a driving motor controller, a driving motor, an information sample module, an information processing module, an information converter and a computer unit. The invention further provides the detection method of the discharge detection system of the power battery pack of the electromobile. According to the system and the method, an actual operating environment of the complete electrombile serves as a discharge unit of the power battery pack, the discharge characteristic and discharge multiplying power of the power battery pack are researched through discharge of the actual electrombile, a discharge characteristic curve corresponding to minimum voltage is formed, and analysis of an SOC (State of Charge), and evaluation of a failure state of a battery, a driving range and the like are facilit