b phase

The F/B duplex phases steel JB800 has determined by the Y-slit crack test,its weld thermal cycle has recorded by computer temperature collection system.

采用斜Y坡口對接裂紋試驗對F/B復相鋼板JB800進行了抗冷裂試驗,對不同預測止裂溫度的碳當量公式進行了對比。

Analysis and handling of generator stator B-phase grounding faults

發電機定子B相接地故障分析及處理

The Site Welding Technology Between ZG-310 and Q 235 B

ZG 310-570與Q 235 B之間的工地焊接工藝

My address is care of B. F.----"

我的b>地址b>是b-F……

The discussion of line-to-neutral voltage regularity and judgment of grounded phase when isolated neutral system is nonmetal grounded

中性點不接地系統單相接地時接地相的判斷

Six-phase winding, double star connection, ungrounded or grounded.

六相繞組，雙星形連接，接地或不接地。

Three-phase winding, four-wire connection, ungrounded or grounded.

三相繞組, 四線連接, 接地或不接地。

Two-phase winding, three-wire connection, ungrounded or grounded.

兩相繞組, 三線連接, 接地或不接地。

Two-phase winding, four-wire connection, ungrounded or grounded.

兩相繞組, 四線連接, 接地或不接地。

Three-phase winding, zigzag connection, ungrounded or grounded.

三相繞組, 之字連接, 接地或不接地。

Coordination of Grounding Protections for 6.3kV Auxiliary Power System in Shajiao B Power Station

沙角B電廠6.3kV廠用電系統接地保護的配合

Combining C/S and B/S for the Information System of Land Use Planning;

B／S與C／S相結合的土地利用規劃信息系統

The receiver is hooked up through a bettery to wires B and C.

接收裝置通過b>電池b>接在導線b和C上。

Study on Single Phase Ground Fault Detection in Neutral Resonant Grounded Distribution Networks;

諧振接地系統單相接地故障選線研究

The Analysis & Handing of Single-Phase Ground Fault in the System with Non-Effectively Earthed Neutral

小電流接地系統單相接地故障及處理

The monitoring of small current grounding single-phase power supply system

小電流接地供電系統單相接地的監測

Dispersion waveform of travelling wave propagation of three-phase short-circuit and three-phase to earth short-circuit

三相相間短路和三相接地短路行波圖

Six-phase winding, double star connection. Ungrounded or grounded can be specified.

六相繞組，雙星形連接?？芍付ú唤拥鼗蚪拥?。

Three-phase winding, four-wire connection. Ungrounded or grounded can be specified.

三相繞組, 四線連接?？芍付ú唤拥鼗蚪拥?。