Power distribution rooms are characterized by a large number, scattered deployment, diverse geographical environment, wide coverage, and numerous users, and are easily affected by user capacity increase and urban construction. The remote monitoring system of the distribution room is of great significance to distribution automation management, line loss analysis, load forecasting, and power demand management.
1. The construction content of remote monitoring of power distribution room
Remote monitoring of the power distribution room generally includes equipment status monitoring of the power distribution room, environmental monitoring of the power distribution room, security monitoring of the power distribution room, and linkage control of the equipment of the power distribution room.
1. Equipment status monitoring of the power distribution room: including the access of voltage sensors, current sensors, switch position sensors, temperature sensors, etc., to realize the current monitoring of each feeder, feeder voltage monitoring, switch position monitoring, and cable measurement in the switch cabinet equipment of the power distribution room Temperature, switch cabinet temperature and humidity monitoring, switch cabinet contact temperature measurement, etc.;
2. Monitoring of the environmental status of the power distribution room: including monitoring of the temperature and humidity of the power distribution room; monitoring of SF6, 02, H2S, O3 harmful gases;
3. Monitoring of the security status of the power distribution room: including intelligent access control, video monitoring, smoke and fire prevention monitoring, flood prevention monitoring, voice intercom, etc. Illegal intrusion alarm, hazardous gas leakage alarm, flood alarm, etc.
4. Abnormal alarm in power distribution room and equipment linkage: sound and light alarm control; heating and ventilation, lighting, fan, dehumidifier, etc. control;
2. Parameters for remote monitoring of power distribution room
| Power distribution room monitoring parameters |
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| l Environmental temperature and humidity |
l Busbar\cable head temperature |
l Transformer temperature |
| l Voltage |
l Current |
l Operating state of leakage protector |
| l Leaking |
l Cable trench water level |
l Access control |
| l Infrared anti-theft |
l Open flame |
l Smoke |
| l O2 content |
l SF6 |
l video |
| Linkage control parameters of power distribution room |
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| l Air conditioning |
l Fan |
l Dehumidifier |
| l Water pump |
l Lighting |
l Sound and light alarm |
3. Characteristics of remote monitoring construction of power distribution room
In summary, the remote monitoring of the power distribution room has the characteristics of multiple types of access equipment, multiple forms of communication interfaces, and multiple compatible communication protocols. Based on the BMG800 edge computing gateway of Baima Technology, the remote monitoring of the power distribution room is established. An ARM-based edge computing gateway can quickly realize the equipment status data access, video and image data access, and remote monitoring of the power distribution room equipment. , Monitoring of the environmental status of the power distribution room, centralized and integrated monitoring of power, environment, video, security, etc., and linkage of alarm and control equipment, greatly improving the efficiency of the operation and maintenance of the power distribution room.
4. Why do customers prefer Baima BMG800 edge computing gateway for remote monitoring of power distribution room?
1. ARM architecture processor, powerful edge computing capability
ARM high-end CPU, powerful edge computing capabilities, effectively sharing the remote monitoring cloud pressure of the power distribution room; Linux system, integrated Python development environment and C language development environment, providing standard API interface, convenient for secondary development and application of the project.
2. Abundant interfaces to facilitate the extensive access of various meters, sensors, and videos in the power distribution room
Equipped with a wealth of industry application interfaces, including 1 LAN port, 1 WAN port, 3 RS232 (expandable to 4), 3 RS485 (expandable to 4), 1 SHT, 1 TTL level serial port , 4 switch input, 8 analog input, 4 relay output, 5 power output, 1 USB, etc., rich collection and control ports, convenient for various meters, sensors, cameras and other equipment in the power distribution room to access.
3. Support MQTT, wide compatible protocol, open and inclusive, smooth access to the monitoring cloud platform of power distribution room
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Support MQTT, smoothly docking with third-party cloud platforms such as Alibaba Cloud, Baidu Cloud, Huawei Cloud, and Amazon Cloud;
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Support domestic mainstream configuration software: Kingview, 3D Force Control, Easy Control, etc.;
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It can be matched with the private cloud platform developed and constructed by the enterprise;
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Support mainstream industrial communication protocols and custom private communication protocols;
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The built-in communication protocol of mainstream instrument manufacturers at home and abroad is convenient for users to quickly debug and use.
4. Large-capacity local storage, the equipment status data and operation logs of the power distribution room can be stored for 10 years
Powerful local storage and external expansion storage functions, equipped with USB, TF card interface, can save more than 10 years of collected data, set parameters and historical data, etc., without losing power.
5. Compatible with multiple communication methods, patented technology guarantees wireless communication "always online"
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Integrate multiple communication methods such as 2G/3G/4G/NB-IoT/wired, and support wired and wireless mutual backup. Optional GPS positioning. Optional 4G to WIFI to quickly build an industrial-grade WIFI network, which is convenient for WIFI access and local configuration of equipment in the power distribution room;
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With software watchdog and hardware watchdog technology, the device automatically monitors the working status. When the gateway device occasionally becomes abnormal, it intelligently wakes up the gateway by software or restarts after the hardware is powered off to reset the gateway to ensure the normal operation of the gateway in real time;
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Support PPP layer heartbeat, ICMP detection, TCP Keepalive and application layer heartbeat and other multi-level link detection mechanisms, failure self-recovery, disconnected reconnection, and maintain wireless connection "always online".
6. Synchronous transmission of data 5 centers, more efficient management coordination
Multi-center wireless transmission, built-in standard TCP/IP protocol stack, power distribution room project data can be synchronized wireless transmission of 5 centers, monitoring data can be simultaneously reported to the provincial, municipal, county and other levels of management platforms. It is convenient for local management departments, remote management departments at all levels, and external cooperation units to obtain data synchronously to achieve efficient management
7. Support data retransmission
When the gateway device is disconnected and reconnected or restarted, the data collected in the power distribution room will not be lost. The gateway will send the previously collected and unsuccessful data and send it again when the network is idle.
8. Support local or remote configuration upgrade, easy gateway management
Provides powerful central management software to centrally monitor, configure, upgrade, and diagnose a large number of security gateways distributed in various places. There is no upper limit on the number of gateways managed by the central management software. Greatly improve the management efficiency of the project party, integrators, operators, equipment providers and other parties.
9. Designed for unattended environments, suitable for harsh working conditions
The industrial-grade communication module is equipped with a high-speed processor, EMC electromagnetic compatibility, high and low temperature resistance (-35°C to 75°C), wide voltage (5V-35V), super moisture-proof, lightning-proof, and electromagnetic interference-proof capabilities, adapting to various harsh conditions Working environment.
10. 7-inch high-definition touch screen (optional)
It is convenient to set system parameters and view data locally.