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QZ-6768 Fluorescence Fiber Optic Temperature Monitoring System for Cable Head of Ring Main Units

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Product serial number
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Product description
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Summary

As the key equipment in smart grid, the temperature of cable joint of ring main unit is one of the important parameters of the system. Cable joint is the weak link of reliable operation of ring main unit. Its performance quality depends not only on the material of cable joint, but also on the manufacturing process of cable joint, and also on the real-time load. Any of the above factors may lead to the heating of the cable head in the ring main unit. If it is not found out in time, the temperature of the cable head will rise until the explosion occurs, and even the insulation sleeve in the cabinet will burst, causing the whole ring main unit to explode. In view of this phenomenon, Shandong Qinzhi Electric has developed a fluorescent optical fiber temperature control system for the cable head of the ring main unit.

The hot spot temperature of copper in insulating plug can be monitored in real time by pouring temperature measuring insert inside insulating plug of cable. The optical fiber interface is left outside the insulating plug, and the temperature demodulator is connected by connecting the optical fiber to realize the temperature measurement. It is easy to install in the ring main unit, which can realize real-time monitoring and early warning.

Advantage

It can detect the real temperature without damaging the insulation and partial discharge, and is easy to install.


Product characteristics

■ Moderate cost

■ Wide temperature measurement range

■ High temperature measurement accuracy, convenient and fast installation

■ Optional function configuration

■ Number of channels

■ Flexible configuration

Performance index

Temperature measurement accuracy ± 1 ℃ or 1% of full scale

Temperature range | - 40 ℃ ~ 150 ℃

Probe support Shandong Qinzhi Electric Co., Ltd. lumaprobe SP series probe (optional)

Number of channels

6-18 channels (optional)

Response time | 1s / channel (depending on probe position)

Optical interface | st optical connector

Power supply AC220 V / 50 Hz, 20%)

Fiber length

6m (optional)

The probe diameter is 2.8mm

Communication protocol MODBUS

Performance index

Temperature measurement resolution 0.1℃
Temperature measurement accuracy ± 1 ℃ or 1% of full scale
Temperature range -40℃~150℃
Probe Support Shandong Qinzhi Electric Co., Ltd. lumaprobe SP series probe (optional)
Number of channels 6-18 channels (optional)
Response time 1 sec / channel (depending on probe position)
Optical interface ST optical connector
Company
Power Supply AC220v/50Hz(+20%)
Power waste <=7w
Fiber length 6m (optional)
Probe diameter 2.8mm
Weight <=2kg
Standard port RS-485
Communication protocol Modbus

 

Product size

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Time of issue:2020-10-25 00:11:25

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+86-18561133119

 

Address: Yingbin South Street, Lingcheng Economic Development Zone, Dezhou City, Shandong Province

Email:1778780643@qq.com

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