Energy storage battery cluster high-voltage control circuit and energy storage prefabricated cabin

• Main Authors: CHEN LUNGUO, PENG ZHEN, SHI MENGZHAO, WANG XIN, WANG HAI, XU DONGYANG
• Format: Patent
• Language: Chinese; English
• Published: 26.04.2024
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

The invention provides an energy storage battery cluster high-voltage control circuit and an energy storage prefabricated cabin. The circuit comprises a main positive relay, one end of which is connected with the positive electrode of an energy storage battery cluster and the other end of which is connected with the positive input end of an energy storage converter, and the main positive relay is connected in parallel with a current flowing-through circulation control/pre-charging resistor; one end of the main negative relay is connected with the cathode of the energy storage battery cluster and the other end is connected with the negative input end of the energy storage converter; the battery cluster management unit is respectively connected with the front end and the rear end of the main positive relay and the front end of the main negative relay, obtains the potential of the positive end and the negative end of the energy storage battery cluster for insulation detection, and obtains the voltage difference