Technical Information That High Voltage Insulators Should Provide
1) High Voltage Insulator Assembly drawings that can explain the installation dimensions and umbrella type and the dimension drawings of each section. ...
Insulator And Bushing Ac Withstand Voltage Test Principle Wiring
(1) When the Switchgear Insulating Bushing main insulation withstands voltage, the primary side of the bushing is connected to the high voltage part o ...
Insulation Testing After Replacing The Insulating Contact Box
Insulation Contact Box The three-phase busbar was tested again with the insulation resistance tester at the same gear. Phase A: 377GΩ, Phase B: 3.2GΩ, ...
Solid-sealed Pole Cleaning
Embedded Pole The upper outlet seat, lower outlet seat, inserts and other parts that need to be embedded in epoxy resin should be cleaned with alcohol ...
High Voltage Insulator Implementation Standards
The manufacture and testing of High Voltage Insulator should comply with the following relevant standards. GB311.1-1997 GB8287.1-1998 GB 50260 GB/T197 ...
Ac Withstand Voltage Test For Insulators And Bushings
The AC withstand voltage test of insulators and Switchgear Insulating Bushing is the most direct and effective method to identify their insulation str ...
Insulation Testing Before Replacing The Insulating Contact Box
Insulation Contact Box Use the insulation resistance tester FLUKE 1550C at 2500V to test the insulation of the 35kV three-phase busbar to the ground. ...
Process Parameters For Preparing The Mixture Of Solid-sealed Poles
Embedded Pole Before APG pouring, epoxy resin mixture needs to be prepared. The preparation of epoxy resin mixture refers to the process of mixing epo ...
High Voltage Insulator Test Items
High Voltage Insulator Type test 1) Dimension, shape deviation and creepage distance test 2) Lightning impulse withstand test 3) Wet operation impulse ...
Insulation Sleeve Application Notes
Installation errors must be strictly controlled. During construction, if the inclination of the bushing axis exceeds 0.5°, it may cause electric field ...
Overview Of Low Insulation Problem Of Insulated Contact Box Busbar
The plan layout of a 35kV switch cabinet in a wind farm. Due to the discharge sound in the 361 switch cabinet, the wind farm technicians transferred t ...
Requirements For Raw Materials Of Sealed Poles
The APG process has higher technical requirements for epoxy resin mixtures than vacuum casting materials, namely, stability at room temperature, high ...
Mechanical Properties Of High Voltage Insulators
Mechanical strength Table 2 Mechanical strength of ±800kV post insulators Flexural strength, kN 12.5 16 Torsional strength, kNm 20 High Voltage Insula ...
Insulation Sleeve Design Ideas
Referencing national standards is the basis. The domestic standards are mainly based on GB/T 4109 "Technical Conditions for High-voltage Bushings" and ...
Analysis On Low Insulation Problem Of Insulated Contact Box Busbar And Its Preventive Measures
Insulation Contact Box is the core component of the switch cabinet. If it fails, it will cause all units to stop operating, causing huge economic loss ...
Requirements For Solid-sealed Pole Mold
The mold is very important for the quality of Embedded Pole produced by APG process, especially the appearance quality. The mold suitable for epoxy re ...
Creepage Distance Of High Voltage Insulator
High Voltage Insulator The effective creepage distance (considering the influence of diameter coefficient) should not be less than 36720mm. ...
Influencing Factors Of Insulation Sleeve
Voltage level is the core factor. Power systems of different voltage levels have clear requirements for the external insulation distance of the bushin ...
Double Shielding Contact Box Structure Principle
The structural principle of Insulation Contact Box mainly includes the following steps: 1. The contact box body can be made of solid insulating medium ...
Solid-sealed Pole Production Process
At present, Embedded Pole is further subdivided into sealed poles represented by ABB and potted poles represented by SIEMENS according to different pr ...
High Voltage Insulator Type And Color
Whether it is the high-voltage pole side or the neutral bus side, the High Voltage Insulator umbrella shape should be designed according to DC working ...
Minimum External Insulation Distance Of Insulating Sleeve
Switchgear Insulating Bushing The minimum external insulation distance is a parameter that needs to be focused on in the design of power equipment, wh ...
Insulation Contact Box Temperature Rise
Ventilation design: Since the primary plum blossom moving contact of the circuit breaker is inserted into the static contact inside Insulation Contact ...
Basic Structure Of Sealed Pole
Embedded Pole is mainly composed of vacuum interrupter, upper outlet seat, lower outlet seat, heat sink, insulating rod, fixed insert, epoxy resin lay ...