MVAJ13D1GB0780A controllable module
Technical data of product parameters
MVAJ13D1GB0780A is a relay protection device. The device has been discontinued for low load protection, requiring 110-125 volts of AC power, 50/60 Hz, and has Earth fault protection functions. The following are some basic information and related reference materials about relay protection devices.
Relay protection device is an electrical device used to protect the power system. Its main function is to detect abnormal conditions in the power system and, if necessary, cut off the power supply to avoid faults in the power system. Relay protection devices typically consist of relays, power supplies, signal acquisition units, signal processing units, control units, and other components. There are various types of relay protection devices, which can be divided into generator protection, transformer protection, line protection, bus protection, etc. according to the protection object; According to protection functions, it can be divided into overcurrent protection, overload protection, grounding protection, distance protection, etc. [0]
MVAJ13D1GB0780A is a low load protection relay. Low load protection refers to the need to protect the generator when the load current is small, in order to ensure the safe operation of the generator, to avoid motor stall or high voltage problems caused by too small load current. The low load protection relay is mainly used to detect whether the load current of the generator is below a certain value. Once it is below the set value, the relay will cut off the power supply to avoid problems such as motor stall or excessive voltage. [0]
Earth fault protection is an electrical device used to protect the power system. Its main function is to cut off the power supply in the event of an earthquake in the power system, in order to avoid power system failures caused by earthquakes. The principle of earth fault protection is to use electromagnetic waves generated by ground vibration during an earthquake to determine the intensity and direction of the earthquake through the signals collected by electromagnetic wave sensors, thereby cutting off the power supply
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