Principle of Nujiang Capacitor Reactor Rct-30/p14

Principle of Nujiang Capacitor Reactor RCT-30/P14
The fast harmonic-resistant intelligent power capacitor is designed for the situation where the harmonic content of the power network is large, the reactive power changes rapidly, and ordinary power capacitors cannot operate normally. It uses special technologies and processes and is composed of a circuit breaker, thyristor, reactor, and aluminum-shell low-voltage power capacitor. It has the characteristics of fast response speed, zero-crossing switching of the capacitor, no inrush current impact, effectively prolonging the service life of the capacitor, no amplification effect on harmonics, and the ability to absorb some harmonics.
　　The electronic shelf label is placed in the PVC guide rail (the guide rail is fixed on the shelf). It can also be set in various structures such as hanging or standing. The electronic shelf label system also supports remote control and unified price management of commodities in its chain branches through the network. The carbon dioxide + temperature and humidity integrated controller is a high-performance intelligent instrument specially designed for agricultural greenhouses and intelligent mushroom houses. It uses advanced microcomputer sensors and automatic control technology, with a liquid crystal display and numerical control keyboard operation. It automatically monitors and adjusts the carbon dioxide content, temperature, and humidity in the room, having...@
Intelligent Reactive Power CompensationCapacitoris an intelligent reactive power compensation device for the 0.4kV low-voltage distribution network to reduce line losses, improve the power factor, improve power quality, and save energy and reduce consumption. Based on the intelligentReactive Power CompensationControllerThe designed reactive power compensation scheme can refer to the following principles

Non-linear load ratio	Reactive power compensation design scheme
Three-phase balanced static load	Three-phase unbalanced static load	Three-phase balanced frequently changing loads	Three-phase unbalanced frequently changing loads
Nonlinear equipment in the load ≤ 15% of the transformer capacity (mainly linear loads)	Three-phase common compensation, composite switch zero-crossing switching,	Phase-separated compensation or mixed compensation, Composite switch zero-crossing switching;	Three-phase common compensation, thyristor switch dynamic switching	Phase-separated compensation or mixed compensation, Thyristor switch dynamic switching;
15%	Three-phase common compensation Composite switch zero-crossing switching Connect 6% or 12% filtering reactance in series in the capacitor loop	Phase-separated compensation or mixed compensation Composite switch zero-crossing switching Connect 6% or 12% non-tuned filtering reactance in series in the capacitor loop	Three-phase common compensation Thyristor switch dynamic switching Connect 6% or 12% non-tuned filtering reactance in series in the capacitor loop	Phase-separated compensation or mixed compensation Thyristor switch dynamic switching Connect 6% or 12% non-tuned filtering reactance in series in the capacitor loop
Harmonic governance target	Destroy the parallel resonance between the capacitor and the system, and partially absorb the 3rd, 5th, 7th and above harmonics in the system	Destroy the parallel resonance between the capacitor and the system, and partially absorb the 3rd, 5th, 7th and higher harmonics in the system	Destroy the parallel resonance between the capacitor and the system, and partially absorb the 3rd, 5th, 7th and higher harmonics in the system	Destroy the parallel resonance between the capacitor and the system, and partially absorb the 3rd, 5th, 7th and higher harmonics in the system
The ratio of non-linear equipment in the load > 50% of the transformer capacity (there are a large number of harmonics)	Three-phase common compensation Zero-crossing switching of composite switch Tuned filter circuit composed of capacitors or reactors	Phase-splitting compensation or mixed compensation Zero-crossing switching of composite switch Tuned filter circuit composed of capacitors or reactors	Three-phase common compensation Dynamic switching of thyristor switch Tuned filter circuit composed of capacitors or reactors	Phase-splitting compensation or mixed compensation Dynamic switching of thyristor switch Tuned filter circuit composed of capacitors or reactors

@Below is the basic composition diagram of the machine (suspended for the final assembly line). There are three key parameters in the working mode of this machine, namely working temperature/working time/working air pressure. Before use, the engineering IE needs to debug it and get the approval of the quality department before it can be used. In summary, there are several points worth noting about this machine. First, the efficiency is relatively low. As we all can see, it can only operate on a single wire at a time, and can only heat-shrink one wire at a time. Second, the opening width on both sides of the heat-shrinkable slot is defined according to the diameter of the sleeve used. That is to say, the heat-shrinkable slot must be able to accommodate all heat-shrinkable sleeves (defined as 10mm according to the current situation of Shaanxi Fuyou Electrical Equipment Technology Development Co., Ltd.). Third, in order to avoid burning the wires, after experimental verification, there should be a 2 - 3mm gap between the lower end of the heat-shrinkable tube and the slot position.


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