Page 15 - YINGMING POWER(HIGH & LOW VOLTAGE SWITCHGEARS)
P. 15
HXGN15-12 (VS1)
UNIT TYPE AC METAL-ENCLOSED
RING NETWORK SWITCHGEAR YINGMING POWER
Conditions of Use
● Ambient temperature: upper limit +40 ℃ , lower limit -25 ℃ ;
● Altitude: the altitude does not exceed 2000m;
● Relative temperature: the daily average is not more than 95%; the monthly average is not more than 90%;
● Ambient environment: The surrounding air is not obviously polluted by corrosive gases or flammable gases, water vapor, etc.
● No frequent and severe vibrations.
The main technical parameters
Project Unit Parameter
Rated voltage kV 12
Rated frequency Hz 50
Main bus rated current / fuse maximum rated current A 630，125
Main circuit, ground loop rated short-time withstand current kA/S 20，3
Main circuit, ground loop rated peak withstand current kA 50
Main circuit, ground circuit rated short circuit closing current kA 50
Load switch full capacity breaking number Times 100
Fuse breaking current kA 31.5，40
Rated closed-loop breaking current A 630
Rated transfer current A 1600
Mechanical life Times 2000
1 min power frequency withstand voltage (peak) relative, ground / isolation fracture kV 42，48
Lightning impulse withstand voltage (peak) phase to ground, ground /isolation fracture kV 75，85
Secondary circuit 1min power frequency withstand voltage kV 2
Protection level IP3X
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