Free Expert Guides on Power Systems, Circuit Design & Electrical Troubleshooting

1. Working Principle of the Spark GapThe spark gap operates based on the principle of gas discharge. When a sufficiently high voltage is applied between two electrodes, the gas between the electrodes is ionized, forming a conductive channel, and thus spark discharge occurs. This process is similar to the discharge phenomenon that occurs between clouds and the ground during lightning. The ionization of the gas is due to the fact that the electric field strength is strong enough to enable the elec

Process for Checking Current Using an AC VoltmeterUsing an AC voltmeter to check current is actually a misconception because an AC voltmeter is primarily used to measure voltage, not current. To check the current in an AC circuit, you typically need to use an AC ammeter or a clamp meter. Below are the detailed steps for using a clamp meter to check the current in an AC circuit:Steps to Check AC Current Using a Clamp Meter1. Prepare Tools and Equipment Clamp Meter: Ensure the clamp meter is in go

The relationship between the tail protection of the cable and the automatic reclosing.The problem of reclosing in cable line protectionIn cable line protection, the application of automatic reclosing has certain limitations. Automatic reclosing is usually used for overhead line transmission and power supply lines as an effective accident prevention measure. However, for cable lines, due to their characteristics, the application of automatic reclosing is not common.The characteristics of cable li

Overview of AC Distribution BoxA distribution box is an important electrical device mainly used for the distribution and control of electric energy in a power system. It transmits electric energy from the power supply to various electrical equipment through cables or wires, ensuring the normal operation of the power system.Function of the AC Distribution BoxThe main functions of the AC distribution box include: Power Transmission: Ensure the efficiency and safety of power transmission through pr

1. Basic Components and Functions of a Hydropower StationDam (River Barrier)Function: The dam is a crucial component of a hydropower station. Its main function is to block the river and form a reservoir. By raising the water level, it stores a large amount of water, thus increasing the potential energy of the water. The dam can control the amount of water upstream and regulate the water level and the discharge flow of the reservoir according to the power generation requirements as well as the co

Definition of a self-owned solar power plantA self-owned solar power plant is a solar power generation facility that is constructed, owned, and operated by enterprises, institutions, or individuals themselves, mainly to meet their own electricity demand. Different from the power supply from the public power grid, it is a relatively independent power supply system, and the electricity it generates is mainly supplied to the constructors themselves, such as providing power for factories, schools, d

Advantages of Aluminum Profiles in Power Transmission and Distribution1. Good conductivity Effective Power Transmission: Aluminum profiles have good conductivity. Although its conductivity is lower than copper, it can still meet the needs of power transmission and effectively transmit electrical energy. In power transmission lines, aluminum profiles can be used as conductor cores, such as aluminum core cables, to achieve power supply from the power generation end to the power consumption end, in

The methods for measuring the voltage drop between two points mainly include using a multimeter and a stable current power supply.Equipment PreparationYou need to prepare a digital multimeter and a stable current power supply. Ensure that the device is turned off and correctly connected to the output end of the current source.Measurement StepsConnect the positive probe of the multimeter to the positive terminal of the wire being tested, and the negative probe to the negative terminal.Ensure that

Differences between Copper Rod and Copper Plate Grounding ElectrodesThe main difference between copper rods and copper plates when used as grounding electrodes lies in their shape and application scenarios.Shape and StructureCopper Rod: A copper rod is a round metal bar that usually has a certain length and diameter. This shape makes it suitable for use in situations where it needs to be inserted into the soil, such as the grounding rod in lightning protection grounding systems. The advantage of

Transformers are critical components in power systems. To ensure their safe and reliable operation, they are typically equipped with various protection systems. These systems can detect and respond to different types of faults and abnormal conditions, promptly cutting off the power supply to prevent the fault from escalating. Below are some common transformer protection systems:1. Overcurrent Protection1.1 Instantaneous Overcurrent Protection Function: Detects and rapidly responds to short-circu