Kaichpower Blog - Manufacturer of Low and Medium Voltage Switchgear

Is it necessary for home users to install a surge protector?

Generally speaking, home users do not need it for the following reasons: 1. For towns, urban residential areas, and modern residential areas with sound lightning protection facilities, complete lightning protection devices are installed in the early stages of construction. Households use power supply lightning protection. Just plug it in. Including direct lightning protection and induction …

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The intelligent control device of switch cabinet solves these problems

KC600 switch cabinet intelligent control device is a device based on intelligent technology, used to realize remote monitoring and control of switch cabinets. It solves the following problems… KC600 switch cabinet intelligent control deviceDifficulty in manual operationRemote control to ensure safe productionTraditional switchgear operation requires personnel to go to the site in person, which poses …

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What problem does the line fault grounding protection cabinet solve?

The line fault grounding protection cabinet is a device specially used to protect the line fault in the power system. It can effectively solve the following problems Personal safety A line fault may result in a surge of current, which may result in the risk of electric shock to personnel. The grounding cabinet detects faults …

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What is the difference between SVG and SVC reactive power compensation? Someone finally made it clear

Reactive power compensation device is indispensable in the power system, its main function is to improve the power factor of the power supply and distribution system, so as to improve the utilization rate of transmission equipment and substation equipment, improve the power efficiency, reduce the cost of electricity; In addition, in long-distance transmission lines, installing …

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High voltage cable protectors solve these problems

The high voltage cable protector is an indispensable and important equipment in the power system, its role is to protect the high voltage cable from failure and damage. Improve power system stabilityDuring the transmission of power through a high-voltage cable, a variety of faults may occur, such as short circuit and ground fault. These faults …

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One article understand: line voltage, phase voltage, phase current and line current difference!

What is three-phase alternating current? Presumably most of the friends engaged in the electrical industry are not strange, but for a beginner it may be half understood. In fact, three-phase alternating current is a form of power transmission, referred to as: three-phase electricity. General household electricity is single-phase AC, but the large-scale production and distribution …

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An experiment with an active filter

The experimental circuit is as follows: Components and parameters: Resistors are RJ14 type resistors with an accuracy of 0.1%, R1=100kΩ, R2=R3=10kΩ, R4=12kΩ, R5=3kΩ. There are two sets of capacitors for comparison: one is a CB4 type capacitor with a high Q value, with a capacity of C1=C2=14.66nF and Q>20000. The other group is the common …

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How to design an active filter? How to select active filter?

An active filter is a type of analog circuit that implements an electronic filter using the active component, usually an amplifier. The amplifier included in the filter design can be used to improve the cost, performance and predictability of the filter. First, how to design active filter The design method of active filter can be …

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