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10
2022-01
Three lines of defense composed of surge protective devices in power supply system
For low-voltage power supply system, it is better to adopt hierarchical protection.[the first line o…
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10
2022-01
High voltage switchgear is an important part of power distribution system
What is the function of high-voltage switchgear? 10kV high-voltage switchgear is mainly used for pow…
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10
2022-01
Maintenance procedures for low voltage distribution cabinet and control cabinet in community
Maintenance procedures for low voltage distribution cabinet and control cabinet in community.1. Impl…
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10
2022-01
How to distinguish whether the dry-type transformer is copper core or aluminum core?
1. Look at the model on the transformer inscription. If it is an aluminum coil transformer, there sh…
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10
2022-01
Common faults and treatment methods in maintenance of high voltage switchgear
There are two kinds of common faults of high-voltage switch body and oil switch body.1. Common fault…
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10
2022-01
Working principle of lightning arrester for high and low voltage switchgear
The overvoltage wave invading the high and low voltage switchgear along the line can cause great har…
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24
2019-07
What are the components of high voltage distribution cabinet?
Take 10kV as an example1. Main sub parts: busbar, upper disconnector, vacuum circuit breaker, lower …
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22
2018-10
What are the precautions for reasonable layout of high and low voltage distribution cabinets?
Installation specification of distribution box and reliable use of wiring:1、 Requirements before use…
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13
2018-07
How to maintain the low-voltage distribution cabinet?
Maintenance process of distribution cabinet: 1. Report the power outage maintenance plan (report to …
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18
2017-03
Basic functions of intelligent load limiting circuit breaker terminal controller
With the development of low-voltage power distribution network, people are facing more and more seri…
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07
2016-07
What is the function of high voltage ring network cabinet?
High voltage ring network cabinets are often seen in residential quarters, shopping malls, commercia…
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22
2016-01
How to improve the vibration resistance of distribution cabinet
How to improve the anti-seismic dynamic striking performance of the distribution cabinet? This achie…
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24
2015-12
These details of the use of metal enclosed switchgear can not be ignored
The use steps of metal enclosed switchgear are very rigorous. Now Zhengguang electric appliance will…
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26
2015-11
Conditions for transformer body inspection in distribution cabinet
(1) In order to reduce the time for the transformer body in the distribution cabinet to stay in the …