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Features of Fully Insulated SF6 Ring Main Unit

The fully insulated SF6 ring network cabinet is composed of load switches, load switch-fuse combination electrical appliances, isolation switches-circuit breakers and other main switches to form functional units and sealed air boxes. It will all high-voltage live parts such as load switches, bus-... Read More

Introduction of several measurement methods for cable joints

Measurement method of cable joint: 1.Temperature sensing cable type temperature measurement. Place the temperature sensing cable in parallel with the cable. When the temperature of the cable exceeds a fixed temperature value, the sensing cable is short-circuited and an alarm signal is sent to the... Read More

Ring Main Unit

The Ring Main Unit is a group of electrical equipment for transmission and distribution (high-voltage switchgear) installed in a metal or non-metal insulated cabinet or made into an assembling interval ring network power supply unit. Its core part adopts load switches and The fuse has the advanta... Read More

What are the characteristics of cable connector?

(1) The 35kV SF6 fully sealed switchgear cable terminal is to insert the entire terminal into a special socket located in the fully sealed small room of the switchgear, and the exposed parts are all grounded. (2) 10kV SF6 fully sealed switch cabinet (ring network cabinet) cable terminals are divi... Read More

Switchgear

What is a switchgear？ The switchgear is a kind of electrical equipment. The external line enters the main control switch in the cabinet first, and then enters the sub-control switch, and each branch is set according to its needs. Such as instrumentation, automatic control, motor magnetic switch,... Read More

The characteristics and differences between the American Box Transformer and the European Box Transformer

Features and Application of American Box Transformer Among them, the combined substation, also known as the American box substation, is divided into two types according to the fuel tank structure, the common box type and the sub box type. Its advantages are small size, small footprint, easy insta... Read More

Features of SF6 inflatable cabinet

SF6 inflatable cabinet is a fully insulated and fully enclosed gas-filled metal switchgear equipment. It is a fully sealed system, and all live parts are sealed in stainless steel switches. Therefore, the inflatable cabinet can still work stably even if it is submerged in water. It is the first c... Read More

Cable thermal expansion and its solutions

As the load current changes and the ambient temperature changes, the power cable will undergo thermal expansion and contraction. The thermal expansion and contraction of the core produces a very large thermomechanical force. The larger the cross section of the cable core, the greater the thermome... Read More

Introduction of cable branch box

The cable branch box is only used as a cable branch. The main function of the cable branch box is to branch or transfer cables, which is mainly used for cable branching and cable switching. With the development of the distribution network cable formation process, when small-capacity independent l... Read More

The same and differences between Ring Main Unit and Metal Clad in application

The Ring Main Unit is used in the ring network power supply to connect two power sources or parts of a switch cabinet. The main function is to split the two sections, with single function and small size. The center cabinet is a type of switch cabinet used by end users, with full functions and lar... Read More

The difference and function of cable branch box

The main difference between a touch cable connector and a live non-touch cable connector is that the silicon rubber cable connector of the former has a semiconductor shielding layer inside and a conductive shielding layer outside. It is connected to the ground through a financial hoop to ensure t... Read More

Product Structure of Surge Arrester

AHBLQ-17/50 Surge Arrester Insert 17/50kV Surge Arrester Insert is widely used on medium voltage network, such as transformers switchgears and cable and others, Used together with loadbreak cable accessories such as bushing elbow connectors and insulted protective cap. Product structure: 1. EPDM... Read More
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