Hybrid solar energy device for simultaneous electric power
This is known as thermalization loss and is a substantial problem in all single-junction solar cells due to a considerable part of the solar spectrum comprising photons with energy exceeding the semiconductor band gap. 11 Moreover, in PV designs, the effective utilization of high-energy photons is diminished due to the recombination of majority carriers
Real time early warning method of transmission line external damage
Aiming at the problem of high false alarm rate due to the monitoring blind area of transmission line anti external damage early warning method, a real-time anti external damage early warning method of transmission line based on optical fiber sensing technology is proposed. The geometry of the target damaged by external force is a contour representation of the outer edge, and the
Device for warning power transmission line to be damaged by external
A technology of anti-external force damage and warning device, which is applied in the direction of alarms, electrical transmission signal systems, instruments, etc., can solve the problems of inconvenient installation and construction, limited battery life, photovoltaic panels strike, and large volume, so as to prevent accidental collision of cranes line effect
On line monitoring device for laser protection against external
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Power cable is used more and more in the power network, and its significance to the safety and stability of the power network is increasingly prominent.
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A Background Reasoning Framework for External Force Damage
The anti external force damage algorithm is designed to extract and locate the moving area of the external force damage target and separate it from the video background. The target movement
A Background Reasoning Framework for External Force Damage
The anti external force damage algorithm is designed to extract and locate the moving area of the external force damage target and separate it from the video background. The target movement area is divided into three areas: line protection area, monitoring work area and danger warning area. According to the evaluation results, different prevention
Prevention of External Force Damage to Overhead Power Lines
sudden and seasonal external force damage. (iv) external force damage caused by exces-sively high trees [1]. At present, external damage accidents caused by natural disasters or other non-human factors are well controlled, such that the number of related accidents is decreasing year by year. However, the number of external damage accidents
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CN104751595A
The invention relates to a device for warning a power transmission line to be damaged by external force. The device comprises a fixing ring, a shell and a shielding layer, the fixing ring is arranged at the top of the shell, the shielding layer is coated at the bottom or on the side face of the shell, and a first diode, a second diode, a first light emitting diode, a second light emitting
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新型输电线路防外力破坏预警装置的研究与应用
Compared to systems installed on towers with large areas of solar panels, this transmission line''s anti external force damage warning device has a compact size, simple on-site installation, and can operate reliably for a long time.
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The high voltage line external-force-damage-preventing early warning apparatus is characterized in that a power supply of the apparatus is composed of a solar panel (1) and a storage battery (7) which are above an early warning device; and the early warning device is composed of a GSM communication assembly (2), an infrared high speed dome camera (3), a laser detection
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Power Transmission Line Inspection System
ST2303B V2.0 basic solar wireless AI camera ST2303B/S V4.0 solar wireless night vision AI camera √ Responsible the device adopts a dual-camera integrated design structure √ Equipped with a starlight-level low-illuminance... Read More. Overhead Transmission Line. ST2600V5 Power Transmission AI Anti-external Damage Monitoring Camera √
Prevention of External Force Damage to Overhead Power Lines
In order to prevent external damage to the overhead transmission lines of China Southern Power Grid, we have proposed an early warning method for external damage based on the network
Intelligent detection method with 3D ranging for external force
Existing methods for monitoring external force damage in transmission corridors lack the ability to provide effective warnings based on the real-time distance between
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(PDF) Review of Monitoring and Warning Methods for
The Warning Technology for Anti-external Force Damage based on laser monitoring. High-voltage lines generate a tiny electric field through the air and the ground.
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The technical scheme of the utility model is realized through following measure: the utility model provides a transmission line laser prevents outer broken warning device, the power...
Photovoltaic plants: security against electrical storms
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The present invention relates to a kind of circuit external force damage prevention intelligent early-warning device based on cable marking pile, belong to the alarm technical field of electrical safety.The present invention includes the alarm module in the excavating-machine operator cockpit, the receiving module on excavator mechanical arm, the transmitting module in the
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新型输电线路防外力破坏预警装置的研究与应用
cloudy days. Compared to systems installed on towers with large areas of solar panels, this transmission line''s anti external force damage warning device has a compact size, simple on-site installation, and can operate reliably for a long time. Keywords: transmission lines; external damage; early warning
This ''Anti-Solar Panel'' Could One Day Produce
Scientists are ironing out the kinks for an ''anti-solar power'' cell, one that can harvest energy at nighttime, proof-of-concept that could theoretically generate 2.2 watts per square meter without the need for a
VWHP
The movable transmission line anti-external damage device 2022 6th Asian Conference on Environmental, Industrial and Energy Engineering IOP Conf. Series: Earth and Environmental Science 1044 (2022
VWHP
2. The overall structure and working principle of the anti-external force damage system for overhead transmission lines As shown in figure 1 Design structure diagram of new anti-external force damage system. The structure of the intelligent early warning system for anti-external force damage of transmission lines is
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6 FAQs about [Anti-external damage flash warning device solar energy]
Can early warning alarm prevent damage from external forces?
(d) Analysis of simulation experiment results After running all the test sets, the method proposed in this paper can send the early warning alarm on time to prevent damage from external forces and fully meets the prede-termined target. In a total of 3000 random vehicle coordinates in ten groups, the missed Figure 12. The
Can early warning system prevent external force damage to overhead transmission lines?
The performance fully meets the design requirements in the simulation experiment environment. Conclusions. The early warning system is proposed to prevent external force damage to overhead transmission lines. According to our simulations, the system can get reliable responses based on the location of the monitored objects.
What are the four types of external force damage?
There are mainly four cases of external force damage: (i) external force damage caused by large machinery vehicles. (ii) external force damage caused by illegal buildings. (iii) sudden and seasonal external force damage. (iv) external force damage caused by exces-sively high trees .
How do power companies respond to external damage to overhead power lines?
In response to the threat of external damage to overhead power lines, power companies can use intelligent image recognition technology to detect abnormal objects entering the vicinity. On this basis, they also developed an intelligent response mechanism for early warning.
How many external damage accidents are caused by the power company?
80% of the total number of external damage accidents. The power company will cooper-ate with the tra c management department to install the positioning system and provide speci c solutions for managing large mechanical vehicles.
Can video surveillance reduce external damage?
From the perspective of e ec-tiveness, the number of external injury incidents has decreased. But in recent years, the number of external injury accidents does not decrease continuously. This shows that video surveillance cannot further reduce external damage.