1) track return circuit
路轨回流电路，轨道回流电路
2) track return power system
路轨回流供电制
3) track return system
路轨回流制
4) DC track circuit
直流轨道电路
5) Loop Current
回路电流
1.
Node voltage and loop current functions of electric power network are established on the base of equivalent π-model network, with nodal injected power being equal to voltage source and impedance branches to the link branches and grounding branches to the tree branches, in order to form the complex analysis method for power flow calculation.
在π型等值的基础上,将节点注入功率等值为电压源,而以阻抗支路为链支、接地支路为树支,建立网络的节点电压方程和回路电流方程,从而形成混合分析方程,并在极坐标系情况下,推导支路电流与节点注入功率的灵敏度关系;以一个小的算例来介绍灵敏度矩阵的简化计算方法。
2.
A method of formulating the node voltage equation and loop current equation is discussed in node formulation and loop formulation, when the voltage resource is in parallel connection with resistance (current resource or both in parallel connection) and the current resource is in series connection with the resistance (voltage resource or both in series connection).
本文讨论了当电路中含有与理想电压源支路并联的电阻 (电流源或二者的串联 )及含有与理想电流源串联的电阻 (电压源或二者的串联 )时 ,节点电压方程和回路电流方程的简便列法 。
6) current circuit
电流回路
1.
The current circuit is an important composition in relay protection and the current polarity effects on the selectivity of the relay protection operation.
电流回路是继电保护的重要组成部分,电流的极性影响继电保护动作的选择性,极性错误将导致保护误动或拒动,严重威胁系统的安全。
补充资料：路轨
1.犹道路。 2.指铺设火车道或有轨电车道用的长条钢材。 3.铁路或有轨电车的轨道。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条