Product features and description
YBW-12/0.4 type high-voltage/low-voltage pre-installed substation (hereinafter referred to as box-type substation) is a high-efficiency transformer and distribution device composed of high-voltage room, transformer room and low-voltage room. Suitable for rated voltage 12kV power system. It has the characteristics of complete set, occupying a small area, movable, reasonable structure, beautiful appearance, convenient installation and maintenance and less investment, and is suitable for residential areas, large construction sites, industrial and mining enterprises and institutions, urban street lamp control and distribution, oil fields, mines, narrow streets, railways, airports and other temporary electricity places.
The substation can meet the requirements of GB/T17467 and other standards, and has a circuit breaker to prevent misoperation; Prevent brake pulling with load; Ground switch to prevent electrification; To prevent the ground switch from transmitting power when connecting the position and to prevent stray live isolation and other "five prevention" functions.
Main technical parameters
1, the main wiring mode: ring network type, terminal type, double power supply type
2, transformer performance level code: oil S9, S9M, S11, S9M, S11M, dry SCB10, SCB11, etc
3, rated capacity :30-2500kVA
4, Rated voltage :120.4kV
5, 1min power frequency withstand voltage :42kV
6, lightning impulse withstand voltage :75k
7, high voltage switch rated breaking current :20kA, 25kA, 31.5kA,
8, transformer connection: no excitation tapping ±5%(±2×2.5%)
9, low voltage outlet circuit: according to the actual situation
10, protection level :|P33D
