你可能感兴趣的试题
current in the circuit voltage in the circuit inductance in the circuit resistance in the circuit
特低电压 ELV 安全特地电压 SELV 保护特低电压 PELV 功能特低电压 FELV
current flow in a circuit voltage between two points in a circuit circuit continuity power
series with a circuit parallel with a circuit series-parallel with a circuit delta with the shunt
adding rubber insulation conductors to the circuit using higher current and lower voltage increasing the number of thermal relays in the circuit using higher voltage and lower current
melts and must be replaced is enclosed in a tube of insulating material with metal ferrules at each end gives no visual indication of having opened the circuit trips to break the circuit and may be reset
自耦变压器 安全隔离变压器 电压互感器 输入与输出回路同时接地的变压器
采用电气隔离作防护 采用PELV作防护 采用Ⅱ类电气设备 采用等效绝缘
安全特低电压SELV 保护特低电压PELV 自动切断电源 总等电位联结
series circuit grounded circuit short circuit closed circuit
A interface exist crossconnect circuit inconsistent CCSPCM between BSC and MSC A interface exist loop circuit inconsistent circuit number in circuit group between BSC and MSC
the voltage between two points in a circuit circuit continuity current flow in a circuit total or partial circuit resistance
can be reset to energize the circuit should open the circuit when overloaded will burn out when an over current flow develops All of the above
capacitive circuit inductive circuit magnetic circuit resistive circuit