容量不一样,一个是300,一个500,它们的零序阻抗能量同样为100Ω/ph吗?


接地变压器
规格 500KVA 300KVA
应用区域Application 户外 户外
应用标准standard application IEC/VDE IEC/VDE
额定一次电压rated primary voltage 33KV 33KV
额定地次电压rated secondary voltage 0.415KV 0.415KV
额定频率rated frequency 50Hz 50HZ
一次联结primary connection Zig-Zag Zig-Zag
二次联结secondary connection Star启动？ Star启动？
联结方式Vector group Znyn1 Znyn1
额定功率Rated power 500KVA 300KVA
高压分级（分-合）Taps(off-load)high voltage side ±2 x 2.5 ±2 x 2.5
冷却方式cooling type ONAN ONAN
绝缘 insulator
一次线圈绝缘方式primary winding insulator type 定等级graded 定等级graded
电频抗压Power frequency withstand voltage high voltage winding 70kvrms 70kvrms
终端冲击电压B.I.L. power terminal 170kv 170KV
零序阻抗zero sequence impedance(tol: ±20%) 100Ω/ph 100Ω/ph
额定电压空载损耗No load loss at rated voltage(tol: ±15%) 3KW 3KW
励磁电流
Excitation current at rate frequency and at rated
voltage 33/0.415kv and 500KVA((tol: ±30%) 5% 5%
10秒额定电流Rated current for 10sec 1100A 525A