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Field Situation and Analysis of Capacitor Cabinet Explosion Accident in Substation
1. On-site phenomenon:
1. There is a car wash outside the wall of the power station, and there is a lot of water vapor. There are fan holes on the wall of the power station that communicate with the car wash (but the wind is blown out from the substation).2024-09-11 shurong
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What is a fuse?
Fuse refers to an electrical appliance that fuses the fuse with the heat generated by itself and disconnects the circuit when the current exceeds the specified value. The fuse is based on the fact that after the current exceeds the specified value for a period of time, the heat generated by itself melts the melt, thereby disconnecting the circuit; a current protector made by using this principle. Fuses are widely used in high and low voltage power distribution systems and control systems, as well as electrical equipment. As short circuit and overcurrent protectors, fuses are one of the most commonly used protection devices.
2024-09-11 shurong
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What is the purity of the industrial silver in fuses?
Chinese Standard X Silver is commonly used in the chemical industry
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The difference between high voltage fuse XRNT and XRNP
XRNT is generally used to protect transformers, and XRNP is generally used to protect transformers. XRNT’s fusion tubes have relatively large currents, and XRNP’s have small currents such as 0.5A or 1A. The commonly used specifications are different. The size of the fusion tube is also different , The matching seat is also different, the XRNT one is bigger. The fuse tube of XRNP is relatively small.
2024-09-11 shurong
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O-type oil-immersed high-breaking capacity high-voltage current-limiting fuse
O-type oil-immersed high-breaking capacity high-voltage current-limiting fuse is a fuse with good sealing, low power consumption, high breaking capacity, fast action, and good protection characteristics.
2024-09-11 shurong
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High-Voltage Current Limiting Fuses
High-voltage current-limiting fuses are suitable for AC 50HZ, rated voltage 3.6-12KV systems, and can also be used in conjunction with other electrical appliances (such as switches, contactors, etc.) as overload or short-circuit protection for electrical equipment such as motors, transformers, and capacitors, etc. Protect.
2024-09-11 shurong
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Function and principle of lightning arrester for high voltage transmission line
The electric energy we use every day is transmitted from far away through the transmission line. Since the transmission line is very long, it will be affected by lightning strikes. Therefore, the accidents of power transmission failure are also increasing day by day, which seriously affects the electrical equipment. and people's normal production and life.
2024-09-11 shurong
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How to use a multimeter to check if a fuse is broken?
1. Whether it is AC or DC, first switch the multimeter to the corresponding voltage position, first check the voltage of the pile heads on the two fuses, if normal, it means there is no problem with the power supply, and then check the voltage of the pile heads on the two fuses. If the voltage is the same as the upper pile head, there is no problem with the fuse. If the lower pile head detects no voltage, it can be concluded that one fuse is burned or both fuses are burned.
2024-09-11 shurong
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