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Electric energy meter | Why is the automatic tripping? Function of ammeter circuit breaker
by admin on 23-04-27
On the basis of ensuring the basic electricity consumption measurement, in order to ensure the safety, the intelligent watt-hour meter is not only manufactured in strict accordance with national standards, using qualified materials and technology, but also alarm and power-off functions. Smart met...
JONCHN Electric C-GIS Inflatable Cabinet Technology
by admin on 23-03-29
C-GIS combines SF6 insulation technology with air insulated metal enclosed switchgear manufacturing technology to produce a metal box sealed switchgear. C-GIS for short. The commonly known inflatable cabinet often refers to the general term of C-GIS and inflatable ring-network?cabinet. GIS is a c...
How to choose circuit breaker (air switch) type C and type D?
by admin on 23-03-22
How to choose the type C and D of the circuit breaker (air switch)? There is usually a distribution box somewhere in our home, and a corresponding switch will be installed in the distribution box. There are mainly two kinds of switches installed in the distribution box: the first is the ordinary ...
How to connect the UPS battery？
by admin on 23-03-13
Many friends ask how to connect the UPS battery?This is a small detail that is easy to ignore, but related problems are often encountered in actual projects. In this issue, JONCHN?Electric will answer this question together. UPS?battery wiring 1. The installation sequen...
Where on earth is the sound coming from the transformer?
by admin on 23-02-21
The sound of the transformer comes from inside the transformer.The transformer is based on the principle of electromagnetic induction, with primary side winding coil and secondary side winding coil installed inside, and silicon steel sheet with high magnetic conductivity material in the middle.Un...
Basic knowledge and maintenance of UPS
by admin on 22-12-13
What is an uninterrupted power supply system? Uninterrupted power supply system is a kind of uninterrupted, stable and reliable AC power device, which is specially used for computers and other important equipment, so that the equipment can still operate normally when the...
Introduction to Medium Voltage Switchgear —JONCHN GROUP
by admin on 22-11-03
1、Introduction The switch cabinet is a kind of electrical equipment. The external lines of the switch cabinet enter the main control switch in the cabinet first, and then enter the sub control switch. Each branch is set according to its needs. For example, instruments, ...
Introduction to Basic Technology of Box type Substation– JONCHN Electrical
by admin on 22-10-10
Box type transformer Relevant knowledge of box type transformer What is a transformer? It is a device that uses the principle of electromagnetic induction to change the AC voltage. It is often used for voltage rise and fall, m...
Classification, structure, maintenance and troubleshooting of box type substation
by admin on 22-09-08
Box Type Substation Box type substation integrates high and low voltage primary equipment, transformer and secondary equipment into a double-layer, sealed, corrosion-resistant and movable outdoor box in the factory. Box type substation, also known as prefabricated substa...
Portable solar lantern, making life more convenient
by admin on 22-07-29
According to official statistics, about 789?million people worldwide live without electricity. It is estimated that 620?million people will still have no access to electricity by 2030, of which 85% are in sub-Saharan Africa. Most of these people rely on kerosene, candles...
Product Recommendation – JFS1-400/3 Pole Mount Fuse Switch
by admin on 22-07-22
Product usage The pole mount fuse switch is applicable to the power line system with AC 50Hz, rated insulation voltage up to 690V and rated current of 400A, and is used to connect and isolate the power supply under the voltage line. Th...
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