Page 21 - YINGMING POWER(HIGH & LOW VOLTAGE SWITCHGEARS)

XGN □ -12(CVF)
SOLID INSULATED
RING MAIN UNIT YINGMING POWER
Conditions of Use

● Altitude: ≤ 5000m;
● Ambient temperature: -45℃ ~ +65℃ ; daily average is not greater than +45℃ ;
● Relative air temperature: the daily average is not more than 95%, and the monthly average is not more than 90%;
● An environment that is not subject to obvious pollution such as corrosive or flammable gases;
● No fire, explosion hazard, no frequent and severe vibration.

The main technical parameters

Project Unit V Unit C Unit F Unit

Rated voltage kV 12 12 12

Rated current A 630 1250 630 125
Rated frequency Hz 50

Power frequency withstand voltage phase, relative ground / fracture kV 42/48

Lightning impulse withstand voltage phase-to-phase, relative ground/fracture kV 75/85

Rated short-circuit breaking current kA 25 31.5 31.5(Fuse)

Rated cable charging breaking current A 25 31.5 10

Rated short-time withstand current kA 25 31.5 20

Rated short-time withstand time S 4 4 4
Rated peak withstand current kA 63 80 50

Rated short-time closing current kA 63 80 50

Rated transfer current A 3150

Rated junction current A 3700

Partial Discharge PC ≤ 20
Degree of protection Cabinet/switch IP4X/IP67

Main loop resistance μΩ ≤ 150 ≤ 150 ≤ 700

Mechanical life main switch / disconnector Times 10000/3000 10000/3000 5000/3000

14