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Fiber optic temperature measurement system for high-voltage switchgear

FJINNO provides 10kV switchgear temperature measurement, high-voltage switchgear temperature measurement, box switchgear temperature measurement, ring main unit switchgear temperature measurement, power supply switchgear temperature measurement, underground switchgear temperature measurement, power switchgear temperature measurement, and fluorescent fiber optic temperature measurement system at a reasonable price. Please feel free to contact us

Why does the cable head of a 10KV switchgear generate heat

10kV power lines are an important component of urban distribution network systems, and 10kV cable heads are the weak link in the operation of the entire power grid, so they are often installed in ring main cabinets or switching stations. თუმცა, due to factors such as materials, manufacturing processes, and real-time load on the power grid, cable heads are prone to overheating. If this situation is not detected in a timely manner and allowed to dissipate heat, it is likely to cause cable heads to overheat and burn out, and even rupture the insulation sleeve of the ring main unit, resulting in serious safety accidents

During the long-term operation of important equipment such as 10kV switchgear, busbar joints, and outdoor knife switch, the contacts and busbar connections of the switches generate heat due to aging or excessive contact resistance, and the temperature of these heating parts cannot be monitored, ultimately leading to accidents.

Temperature measurement system for switching stations

There are three temperature monitoring modes for substation equipment, კერძოდ: conventional temperature measurement mode, ოპტიკური ბოჭკოვანი ტემპერატურის გაზომვა mode, and infrared temperature measurement mode.

1. The conventional temperature measurement methods mainly use conventional thermocouples, თერმული რეზისტორები, semiconductor temperature sensors and other temperature measurement methods, which require metal wires to transmit signals and cannot guarantee insulation performance.

2. The infrared temperature measurement method is non-contact temperature measurement, which is susceptible to environmental and surrounding electromagnetic interference. გარდა ამისა, the space inside the switchgear is very small, and it is not possible to install an infrared temperature measurement probe (because the probe must maintain a certain safe distance from the measured object and face the surface of the measured object). It is required that the measured point can be unobstructed in the field of view and the surface is clean to ensure accuracy. The active wireless temperature measurement method uses active wireless temperature sensors for temperature measurement. Active wireless temperature sensors are usually relatively large in size and require frequent battery replacement, resulting in high system maintenance costs. ამავე დროს, batteries are not suitable for working at high temperatures and are not stable enough to operate at high temperatures.

3. The fluorescent fiber optic temperature measurement method uses optical fibers to transmit temperature signals. Optical fibers have excellent insulation performance and can isolate high voltage inside the switchgear. ამიტომ, the optical fiber temperature sensor can be directly installed on the high voltage contacts inside the switchgear to accurately measure the operating temperature of the high voltage contacts and achieve online monitoring of the operating temperature of the switchgear contacts.

ოპტიკურ-ბოჭკოვანი ტემპერატურის სენსორი, ინტელექტუალური მონიტორინგის სისტემა, განაწილებული ოპტიკურ-ბოჭკოვანი მწარმოებელი ჩინეთში

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