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Shenzhen KINRI Energy Technology Co.,Ltd.

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· Insulation protection requirements for power adapters

Insulation protection requirements for power adapters 1. Insulation typeInsulation materials and insulation protection must be used to ensure the normal operation of the circuit and when there is a voltage higher than the dangerous voltage inside the circuit. UL60950 divides insulation into five categories: functional insulation, basic insulation, additional insulation, double insulation, and reinforced insulation.① Functional insulation: It is a necessary insulation for the correct operation of equipment, does not provide electric shock safety protection, but can reduce ignition and combustion. For example, the paint of enameled wire.② Basic insulation: The most basic insulation to avoid electric shock. Relying solely on basic insulation is not safe, and safety requirements must be achieved through additional insulation and secondary protection of protective grounding, such as interlayer insulation of coils.③ Additional insulation: Insulation independently added to the basic insulat...
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04-09
2024
· Introduction to three-phase AC power supply and its wide applications

Basic concepts of three-phase AC power supplyA three-phase AC power supply refers to an AC power supply that can provide three AC power sources with a phase difference of 120 degrees. This power supply system is widely used in industrial, commercial, and residential electricity, and is an indispensable energy supply method in modern society.A three-phase AC power supply consists of three sine wave AC power supplies, which have the same peak value but a phase angle difference of 120 degrees. This design enables three-phase AC power sources to more effectively utilize wires during power transmission, reducing energy loss. Meanwhile, three-phase AC power supplies also have the ability to provide stable voltage and current, making them widely used in many fields.Characteristics of three-phase AC power supplyEfficiency: When three-phase AC power supplies transmit electricity, due to the phase difference between the three phases, the distribution of current in the wires can be more uniform,...
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04-09
2024
· The Principle and Application of Open Frame Power Supply

Open frame power supply is an important component of electronic devices, providing the underlying power for the device. This article will reveal the principle and application of open frame power supply.Open frame power supply is a device used to directly power electronic devices, usually composed of components such as rectifiers, filters, and regulators. The function of a rectifier is to convert alternating current into direct current, while a filter can remove clutter and ripple in the power supply, ensuring voltage stability. The voltage regulator further adjusts the voltage to ensure it meets the requirements of the equipment.The main application of open frame power supply is to provide stable DC power for electronic devices. Whether it is household appliances such as televisions, refrigerators, air conditioners, or industrial equipment such as robots and automation equipment, open frame power supplies are required to provide stable and reliable power. The performance of open frame...
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04-09
2024
· How to judge the performance of a computer power supply?

Imagine how much impact your heart would have on the body if the blood pressure provided by your heart to other organs fluctuated between high and low, sometimes and sometimes? That's right, the same goes for the impact of power supply on computers. So the quality of the power supply is related to the lifespan of computer hardware and the stability of the entire machine.Therefore, choosing a power supply with better performance is crucial. So how to judge the performance of the power supply? Next, this article will introduce it one by one. But before that, we must first understand the most important parts of the power supply.CapacitorCapacitors, as essential components in power supplies, have the characteristic of isolating direct current and conducting alternating current. Due to the numerous classifications, here are a few that have the greatest impact on the power supply.1. Main capacitorFirstly, the main capacitor, as the largest capacitor in the power supply, plays a role in ener...
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04-09
2024
· Does the higher the power of the charger, the faster it charges?

With the development of technology, the speed of electronic device updates is getting faster and faster, and the power wattage of chargers is also constantly increasing. So, the higher the wattage of the charger, the faster it charges? This article will explore the following aspects:1. Basic concept of charger power wattageThe wattage of the charger refers to the power output by the charger. Generally speaking, the product of the current and voltage output by the charger is the output power of the charger. For example, if a charger outputs a current and voltage of 5V/2A, its output power is 10W.2. The relationship between charger wattage and charging speedIn theory, the higher the wattage of the charger, the faster the charging speed should be. Because the higher the output power of the charger, the more electricity can be provided per unit of time, and electronic devices can complete charging in a shorter time. However, this is not absolute, as the actual charging speed is also influ...
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04-09
2024

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