Overview of the products
This product is developed by absorbing advanced foreign technology and combining it with the actual situation in China. The
entire product has the characteristics of small size, easy installation and maintenance, low noise, low loss, anti-theft, strong
overload capacity, and full protection. Suitable for newly built residential areas, green belts, parks, stations, hotels, construction
sites, airports, and other places. CSMB prefabricated box type substation (American style), suitable for 10kV ring network power
supply, dual power supply or terminal power supply system, as a substation metering, compensation control and protection
device.
This product meets the following standards: GB/T17467-1998 <
>; DL/
T537-93 <>.
Model and meaning
Electric technical parameters
Project
|
Unit
|
Parameters
|
Rated voltage
|
kV
|
10/0.4( High pressure/low pressure )
|
Maximum working voltage
|
kV
|
12( High voltage side )
|
Rated frequency
|
Hz
|
50
|
Rated capacity
|
kVA
|
50-1600
|
1 minute power frequency withstand voltage
|
kV
|
42
|
Lightning impulse voltage
|
kV
|
75
|
Cooling method
|
|
Oil immersed self cooling
|
High voltage backup fuse breaking current
|
kA
|
50
|
Insertion fuse breaking current
|
kA
|
2.5
|
ambient temperature
|
℃
|
-35~+40
|
Permissible temperature rise of the coil
|
℃
|
65
|
Voltage regulation without load
|
|
±5% or ±2×2.5%
|
Noise level
|
dB
|
50
|
Level of protection
|
|
IP33
|