The Circuit Breaker (Three-Phase) block models a three-phase circuit breaker that uses an external signal and phase current information to break an electrical circuit. The table shows how the external signal vT and the Breaker Behavior parameter control the block behavior.Condition...
The Three-Phase Fault block implements a three-phase circuit breaker where the opening and closing times can be controlled either from an external Simulink signal (external control mode), or from an internal control timer (internal control mode).
The Three-Phase Breaker block implements a three-phase circuit breaker where the opening and closing times can be controlled either from an external Simulink signal (external control mode), or from an internal control timer (internal control mode). The Three-Phase Breaker block uses three Breaker ...
Initial status The initial status of the fault breaker is usually 0 (open).However, you can start the simulation in steady state with the fault initially applied on the system.
Three-phase inconformity of circuit breakerInter-turn protectionFalse trippingIn this paper, the simulation of inter-turn protection for high-voltage (HV) shunt reactors is studied by using Simulink. Expound that when the closing angles of the three-phase circuit breaker are different, the zero-...
2.Firstly,an example of three-phase short circuit is given.本文对Matlab/Simulink在"电力系统暂态分析"中的应用进行研究:首先给出电力系统三相短路实例;再利用理论计算和软件仿真两种方法对该系统空载运行时变压器低压侧母线发生三相短路的暂态过程进行分析;并得到短路电流周期分量与冲击电流。 3.De-excitation of st...
2. Firstly,an example of three-phase short circuit is given. 本文对Matlab/Simulink在"电力系统暂态分析"中的应用进行研究:首先给出电力系统三相短路实例;再利用理论计算和软件仿真两种方法对该系统空载运行时变压器低压侧母线发生三相短路的暂态过程进行分析;并得到短路电流周期分量与冲击电流。
Vacuum circuit breakerShunt reactorsThree-phase modelingOvervoltage suppression measuresShunt reactors are commonly used in substations to compensate the capacitive reactive power of electric power systems. When a vacuum circuit breaker (VCB) switches off shunt reactors, an overvoltage with high amplitude ...
activated (pulses normally sent to the converter are blocked). We can see that the DC voltage drops to 315 V. A drastic change in the primary current waveform can also be observed. When the pulses are blocked, the Three-Level Bridge block operation becomes similar to a three-phase diode ...
activated (pulses normally sent to the converter are blocked). We can see that the DC voltage drops to 315 V. A drastic change in the primary current waveform can also be observed. When the pulses are blocked, the Three-Level Bridge block operation becomes similar to a three-phase diode ...