News
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2023 Exhibitions in Indonesia
The Indonesia Exhibition is one of the most influential exhibitions in Southeast Asia, attracting exhibitors and buyers from all over the world every year, and is an important platform to explore the Southeast Asian market. The 2023 Indonesia Exhibition will be held in Jakarta in September, when ...Read more -
Time Relay Working Principle
Time relay is a control appliance that uses electromagnetic principle or mechanical principle to achieve time delay control. It has many types, such as air damping type, electric type and electronic type. Time relays can be divided into two types: energized time delay type and power-off time dela...Read more -
What is the role of solid state relays? Features, principles, advantages and disadvantages, etc.
The role of solid state relays Solid-state relays are actually non-contact switching devices with relay characteristics that use semiconductor devices to replace traditional electrical contacts as switching devices. Single-phase SSR is a four-terminal active device, of which two input control ter...Read more -
What does 5(20)A on the meter mean?
Everyone is probably familiar with electric energy meters. Nowadays, smart meters are often used to measure and bill household electricity. If you look closely, you will find that there is a parameter 5 (60) written in the prominent position of the electric energy meter. For example, the paramet...Read more -
The working principle of the leakage protector
1. What is a leakage protector? Answer: The leakage protector (leakage protection switch) is an electrical safety device. The leakage protector is installed in the low-voltage circuit. When leakage and electric shock occur, and the operating current value limited by the protector is reached, it w...Read more -
Installation method and installation precautions of power surge arrester
Installation method of power surge arrester 1. Install the power lightning arrester in parallel. The installation position of the charcoal machine is the rear end of the switchboard or the knife switch (circuit breaker) in the classroom of the satellite teaching viewing point. Use four sets of M8...Read more -
The main uses and different classifications of high voltage isolating switches
The main purpose of the high-voltage isolating switch 1. It is used to isolate the power supply to ensure the safety of maintenance, so that the electrical equipment under maintenance has an obvious disconnection point from the power supply; 2. Carry out the switch-off operation to change the ope...Read more -
Why does my circuit breaker keep tripping?
If your circuit breaker keeps tripping, you must reset it. To reset it, turn off the circuit breaker by moving the switch, then turn it back on. For your own safety, keep a safe distance from the panel to prevent any sparks, or wear safety goggles. Before unplugging and plugging in equipment, res...Read more -
What is the difference between electronics and electrical
The difference between electronic and electrical is as follows: 1, the composition of the system is different Electronics: Electronic information systems. Electrical: Electrical control system. 2. Different functions Electronics: Information processing is the mainstay. Electrical: Mainly for ener...Read more -
The principle of the air switch, these common sense problems of electricity use still need to be known
When using electricity, no matter how old people are, they will be reminded to pay attention to the safety of electricity use. With the improvement of living standards and the continuous development of science and technology, more and more electrical appliances are used in our lives. At this time...Read more -
Intelligent network connection is the second half of the new energy vehicle competition
At present, new energy vehicles are moving from the primary stage to the intermediate and advanced stage, that is to say, from the 1.0 era of electrification to the 2.0 era characterized by connectivity and intelligence, it will empower smart cities and core components. The innovative development...Read more -
Mid-autumn mythical story
According to legend, Chang’e was originally Hou Yi’s wife. After Hou Yi shot 9 suns, the Queen Mother of the West gave her the elixir of immortality, but Hou Yi was reluctant to take it, so she gave it to his wife Chang’e for safekeeping. Peng Meng, Hou Yi’s disciple, has ...Read more