■General Technical Characteristics 一般特性

Cylinder aluminium tin sealed.

Microcrystalline wax and healthy dielectric oil impregnate.

Pressure separation device and discharge resistor inside.

Metallized polypropylene film.

Electric shock resistant protection connecting terminal.

M12 or M16 earth ground screw.

 ■ELECTRICAL CHARACTERISTICS 电气特性

Reference standards 参考标准         IEC 60831-2002

Ambient temperature 环境温度         - 25 to + 50 ℃

Rate output 额定输出                        1-30kvar

Rated voltage 额定电压                   0.23kv, 0.4kv, 0.415kv, 0.45kv, 0.525kv and so on

Capacitance tolerance 容量偏差        -5% ~ 10%

Tangent of the loss angle损耗角正切      ≤1×10^-3

Discharge feature放电特点             With internal discharge resistors to decrease the residual capacitor voltage to 50V within 3 minutes after disconnection from the grid.

Life expectancy 预期寿命               ≥100,000 hours at U_N

■TEST METHODS AND PERFORMANCES 测试方法

Test voltage terminal to terminal U_TT 两端耐压   2.15U_N for 5s

Test voltage terminal to case U_TC 端壳耐压      2Un+2000V or 3000V which is larger, 10s

Permissible relative humidity 允许相对湿度      90%

Altitude 海拔                                                      2000m

■OVER-VOLTAGE 过压保护        

1.10×U_NDC for maximum 8 Hour per day

1.15×U_NDC for maximum 30 minimum per day

1.20×U_NDC for maximum 5 minimum per day

1.30×U_NDC for maximum 1 minimum per day

■OVER-CURRENT 过流保护        

  1.3 times of rated current, but consider to the voltage, capacitance tolerance and harmonic, the transient current can not exceed 1.43 times of rated current.