2024-4-26
An electrical device called a lightning arrester is used to shield electrical equipment and buildings from lightning strikes. The proper installation and use environment are crucial factors to take into account while choosing and utilizing lightning arresters. The selecti......
2024-3-29
A device that uses the zero-sequence current generated when grounding is used to initiate protection is called zero-sequence current protection. Special zero-sequence current transformers are used on cable lines to achieve grounding protection.
2024-3-28
Generally used protection methods for transformers. The abnormal working conditions of transformers mainly include overload, overcurrent caused by external short circuit, neutral point overvoltage caused by external ground short circuit, oil level reduction caused by oil......
2024-3-27
Although overload protection and overcurrent protection of circuit breakers are both designed to protect circuits and equipment, they have significant differences in fault types, causes, protection methods, and sensitivities.