Wireless temperature measurement price for busbar

Description :

　　Hongjiang Power Plant is equipped with 6 single 45MW bulb tubular units, with a total installed capacity of 270MW. When put into operation, it was a domestic single capacity bulb tubular unit. The factory voltage used in the power plant is 400V, and the original 400V low-voltage circuit breaker cabinet is a low-voltage GCY type combination withdrawable switchgear produced by Henan Xinxiang Yubei Electrical Appliance Factory, which has been in operation for 13 years. With the extension of operating years, equipment continues to age, and in recent years, there have been frequent occurrences of poor contact between circuit breaker connectors and busbars, as well as overheating and deformation of circuit breaker connectors under high loads. Previously, there was no specialized 400V high current circuit breaker temperature measurement equipment in the power plant. The above defects were discovered through manual temperature measurement three times a day. As they were not monitored continuously for 24 hours, the discovery of these defects had a certain lag time. In addition, there are many detection points and complex detection locations, making manual temperature measurement time-consuming and laborious, and even threatening the personal safety of temperature measurement personnel.

　　In the second half of 2014, Hongjiang Power Plant decided to renovate the 400V low-voltage system used in the utility plant. In order to improve the automation level of equipment, achieve 24-hour uninterrupted online monitoring, automatic alarm, reduce manual temperature measurement workload, and prevent factors such as electric shock safety risks during manual inspection and temperature measurement, a "temperature online monitoring device+wireless temperature measurement technology" is adopted to achieve real-time temperature monitoring of the 400V low-voltage system for factory use.

　　The wireless temperature measurement system consists of an acquisition layer, a collection layer, and a monitoring layer as a whole. The collection layer is composed of wireless temperature sensors; The collection layer is an on-site centralized display device, connected wirelessly to the collection layer, and connected to the monitoring layer through a network or fiber optic cable; The monitoring layer is the temperature measurement backend, which can be connected to the network through communication methods such as 10/100M LAN and fiber optic network. The system manages the collected data and stores it in the database at regular intervals. It records the information in the real-time database according to user requirements, forming a historical database that can provide display of minute, hour, and day curves, report printing, overheating records, and timely alarm signals; Support data sharing, provide third-party access to temperature measurement data, and put the temperature measurement data into the comprehensive management platform

　　In the power system, temperature is an important parameter that characterizes the normal operation of equipment. With the advancement of technology, the social electricity load is constantly increasing. In order to avoid fires or automatic temperature monitoring caused by equipment heating, it has become one of the important measures taken by various industries to ensure safety production and reduce losses. The traditional temperature measurement method has a long cycle, complex construction, low efficiency, and is not easy to manage. When a fault occurs, it requires a lot of manpower and material resources to troubleshoot and re lay cables. In specific situations where monitoring points are scattered, the environment is closed, or there is high voltage, many measurement methods are simply unable to achieve measurement work.

　　In substations or switch stations, plug connections are generally used between busbars, knife switches, high-voltage switchgear, circuit breakers, cables, and overhead lines. Long term overload, loose joints, aging contacts, and other factors can easily lead to increased contact resistance, which may result in serious accidents such as excessive temperature rise or even burning of contacts. Once a power outage occurs due to a malfunction, it first brings inconvenience to the people's lives and interferes with the normal production and operation of the enterprise; Secondly, it causes significant losses to the power supply company; Furthermore, there are numerous tap joints for switchgear, busbars, cables, and overhead lines in the substation, forming a network and enclosed structure, making it very difficult to identify potential faults and wasting a lot of manpower and material resources.

　　ARTM series electrical contact online temperature measurement device

　　Product Introduction: Wireless Temperature Measurement for Busbars, Price

　　Function:

　　ARTM Pn wireless temperature measurement device: The ARTM Pn wireless temperature measurement device can be installed separately in high-voltage cabinets and low-voltage drawer cabinets. Each device can receive data from 18 sensors, and sensor models can be selected as ATE100, ATE200, or ATE300. The device is equipped with a 485 interface, which can upload the collected temperature data to the monitoring center.

　　ARTM8 Temperature Inspection Instrument: The ARTM series temperature inspection and control instrument is suitable for measuring and controlling one or multiple temperatures, mainly used for temperature inspection, measurement and control in thermal power plants, hydropower stations and other occasions. Measure the temperature of Pt100 in 8 channels, and any channel can also be shielded. Each channel temperature measurement corresponds to 2 alarm segments, and the relay output can be set to any alarm direction and value.

　　Wireless temperature measurement centralized collection touch screen: The wireless temperature measurement touch screen can be embedded and installed in high-voltage cabinets and low-voltage drawer cabinets. Each device can receive data from 240 sensors and can be optionally used with ATE100, ATE200, and ATE300 sensors. The device is equipped with a 485 interface and an optional Ethernet port, which can upload the collected temperature data to the monitoring center.

　　Application scope:

　　Suitable for temperature monitoring of cable joints, circuit breaker contacts, knife switch switches, high-voltage cable intermediate heads, dry-type transformers, low-voltage high current equipment, etc. inside high and low voltage switchgear.

　　Ordering Example:

　　Technical requirements: Passive wireless temperature measurement with 6-point circuit breaker contacts and 3-point busbar in one high-voltage cabinet

　　Auxiliary power supply: AC/DC 220V

　　Display mode: standalone wireless temperature display

　　In summary, the confirmed model is: wireless temperature measurement device: ARTM-P9-300, 1 unit; Wireless temperature sensor: ATE300, 9 pieces

　　Ordering Example:

　　Technical requirements: Wireless temperature measurement for 6-point circuit breaker contacts and 3-point busbar in 10 high-voltage cabinets

　　Wireless sensor requirements: battery powered, wireless

　　Display mode: centralized wireless temperature display

　　In summary, the confirmed model is: Wireless temperature measurement centralized touch screen: AARTM-7062HT-4 (HI), 1 unit; Wireless temperature sensors: ATE200,90 pieces; Wireless temperature measurement transceiver: ATC200,10

　　Ordering Example:

　　Technical requirements: Wireless temperature measurement for 6-point circuit breaker contacts and 3-point busbar in 10 high-voltage cabinets

　　Wireless sensor requirements: Passive wireless

　　Display mode: centralized wireless temperature display

　　In summary, the confirmed model is: wireless temperature measurement centralized touch screen: ARTM-7062HT-4 (HI), 1 unit; Wireless temperature sensors: ATE300, 90 pieces; Wireless temperature measurement transceiver: ATC400, 1 unit; Power module: ARTM-KDYA-DG30-24K, 1 unit.

　　2 Technical parameters

　　3 External dimensions

　　High voltage switchgear is one of the important equipment to ensure the operation of the power system in substations and distribution stations. The application of Ankerui intelligent control and wireless temperature measurement products introduced in this article in the forward-looking project of Jinnan Iron and Steel Group's capacity replacement and upgrading can achieve the integration of operation and display. It can monitor the temperature of the busbar, circuit breaker upper and lower contacts, cable joints, etc. in the high-voltage switchgear online, prevent excessive contact resistance caused by oxidation, looseness, dust and other factors during operation, and prevent heating from becoming a hidden danger, improve equipment protection, timely, continuous and accurate reflection of equipment operation status, avoid accidents, and reduce equipment accident rates.

　　Design Scheme for Wireless Temperature Measurement SystemFrom the perspective of power supply methods, online temperature measurement can be mainly divided into two types: active temperature measurement and passive temperature measurement. Among them, active temperature measurement methods include infrared camera temperature measurement, which uses infrared imaging principles for real-time temperature detection, but the cost is very high; Passive temperature sensors mainly include platinum resistance temperature sensors, fiber optic temperature sensors, surface acoustic wave temperature sensors, and induction based temperature sensors.

　　The electrical contact wireless temperature measurement system is suitable for temperature monitoring of high-voltage switchgear contacts and contacts, knife switch switches, high-voltage cable intermediate heads, dry-type transformers, low-voltage high current equipment, etc. The device is designed with ultra-low power consumption technology and consists of an embedded integrated touch screen, wireless temperature measurement transceiver, and wireless temperature sensor. The wireless temperature sensor exchanges information with the host through wireless signal transmission, which does not affect the insulation performance of the system and is safer to use. The device has the characteristics of isolation, easy installation, strong anti-interference ability, and reliable operation, which solves the safety problem of contact temperature monitoring under high voltage conditions.

　　Wireless temperature measurement price for busbar

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• Wireless temperature measurement price for busbar