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14
Nov, 2020
Power distribution requirements for prefabricated box-type substations
The prefabricated box-type substation has the characteristics of strong complete set, small size, compact structure, safe and reliable operation, convenient maintenance, and movabl
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05
Nov, 2020
High voltage switchgear components
High-voltage switchgear is used in AC and DC circuits with a rated voltage of 3kV or more. Electrical appliances that play the role of on-off, protection, control or regulation are
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05
Nov, 2020
Points for purchasing high-voltage switchgear
1. Clear project positioning. High-voltage switchgear is a complete set of combined products. Although there are hundreds of domestic manufacturers, its core components are still i
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05
Nov, 2020
Anti-corrosion design of box-type substation
When the box-type substation is in operation, each district will have an independent low-voltage distribution cabinet. If you want a long service life of the substation, the correc
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05
Nov, 2020
Advantages of low voltage switchgear
The switchgear is a kind of electrical equipment. The outer line of the switch cabinet first enters the main control switch in the cabinet, and then enters the sub-control switch,
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05
Nov, 2020
Use conditions of low-voltage withdrawable switchgear
Low-voltage switchgear is used as a product for power transmission, power distribution and electric energy conversion, which can meet the requirements of reliable fixing of various
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05
Nov, 2020
The function and protection of high and low voltage switchgear
The function of the switchgear The key function of the high and low voltage switchgear is to open and close, operate and maintain power-consuming machinery and equipment during the
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14
Oct, 2020
What are the grounding problems of the whole substation?
(1) When laying out the grounding wires in the cable trenches for electrical cables, the number of cable trenches actually completed was not checked, resulting in a small number of
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14
Oct, 2020
Application of solar photovoltaic power generation system
The public area of the underground garage of the building adopts the roof solar energy efficient non-inverter technology for solar photovoltaic-LED (PV-LED) lighting. According to
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14
Oct, 2020
Provisions for the layout of power distribution devices
What are the regulations for the layout of the power distribution device? 1. The layout of the power distribution device and the selection of conductors and electrical appliances s
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14
Oct, 2020
How to choose the main wiring and electrical appliances of distribution subst...
1. The busbar with voltage of 10(6)kV and 0.4kV in distribution substation should adopt single busbar or single busbar segmented connection. 2. The 10(6)kV power inlet switch of th
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14
Oct, 2020
Inspection items for low-voltage power distribution cabinets
1. Check whether the names and signs of all electrical components on the power distribution cabinet are clear and correct. 2. Check whether the positions of all operating handles,