This series of comprehensive analyzer is a multi-functional intelligent switch analog comprehensive dynamic indicating device developed and designed for the current development of medium voltage system switch technology, which is mainly used in various indoor switch cabinets with voltage level of 0.1 ~ 40.5KV.

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SW-AFD series intelligent wireless fire alarm automatic fire extinguishing device provides real-time, intelligent and stable fire monitoring scheme for power transformation and distribution system. This device can provide users with uninterrupted on-line fire monitoring, real-time monitoring of temperature and smoke change trend in the monitoring area of switch cabinet and box transformer, realize the functions of temperature warning, smoke warning, fire warning and rapid fire extinguishing, and effectively improve the operation reliability of equipment, provide users with new environmentally friendly features, safe and efficient fire protection solutions. SW-AFD series intelligent wireless fire alarm automatic fire extinguishing system can be used in electric power, metallurgy, chemical industry, communication, rail transit, construction and other industries.

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The SW-DLZ300 phase-to-ground short-circuit monitoring and protection device is used in combination with a display host (optional), a single phase-to-ground short-circuit protection device and a high-precision zero-sequence current transformer. One display host and multiple single phase-to-ground short-circuit monitoring and protection devices are installed in each low-voltage cabinet to manage multiple outgoing circuits. The display host group is responsible for parameter setting and local display, and RS485 communication mode is used for numerical setting and data display with multiple single-channel short-circuit monitoring and protection devices; the single-channel phase ground short circuit monitoring and protection device is responsible for collecting zero sequence current, zero sequence current calculation, zero sequence current primary and secondary isolation conversion, fixed value setting (parameter setting and fixed value setting can be performed by computer software when there is no display host), protection logic judgment control, trip control outlet and other functions, and has independent communication function with the upper computer, and can be flexibly configured according to the site conditions.

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Real-time monitoring: real-time display of the zero-sequence current of the monitored line is helpful for maintenance personnel to accurately judge the insulation status of the system and make maintenance plans.

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Real-time monitoring: real-time display of the zero-sequence current of the monitored line is helpful for maintenance personnel to accurately judge the insulation status of the system and make maintenance plans.

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Real-time monitoring: real-time display of the zero-sequence current of the monitored line is helpful for maintenance personnel to accurately judge the insulation status of the system and make maintenance plans.

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The system adopts fluorescent optical fiber temperature sensing technology. The light source and fluorescent optical fiber are all imported components. It has the advantages of high voltage resistance, no electromagnetic interference, long-term reliability and easy expansion. It can monitor the temperature of various monitoring points such as dry-type transformer winding, switch contact and cable joint in the step-up box-type substation used by wind power and photovoltaic in real time. It has RS485 and optical fiber communication interface, MODBUS and IEC61850 communication protocol, the switchgear is further intelligent, digital and networked, which is suitable for all the needs of intelligent substations.

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The system adopts fluorescent optical fiber temperature sensing technology. The light source and fluorescent optical fiber are all imported components. It has the advantages of high voltage resistance, no electromagnetic interference, long-term reliability and easy expansion. It can monitor the temperature of various monitoring points such as dry-type transformer winding, switch contact and cable joint in the step-up box-type substation used by wind power and photovoltaic in real time. It has RS485 and optical fiber communication interface, MODBUS and IEC61850 communication protocol, the switchgear is further intelligent, digital and networked, which is suitable for all the needs of intelligent substations.

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ABB TVOC-2 arc protection system can provide optical arc suppression device with fast response time. And can be connected to remote monitoring of the cloud-based ABB competency platform.

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