在一份资料中看到model搭建完成后可以不连接其他设备,进行开环测试,操作如下: % O2 X! e! w, ?" J3 ~' X6 t `! I/ Q
Verify the behaviour of the model by an open-loop test, i.e. the controller is not connected to any * ]# e, r+ m( d+ I1 x8 rother element (synchronous generator) in the grid: 6 [5 x+ o/ g4 k( n& `" ?2 ?4 a6 u3 s: Y3 [5 h Open-Loop Response: 8 ^# e x' k X" P 1 Test the model with a step response to the reference voltage “usetp” (open-loop-test) [17]. + W7 Y) [ H' f! L 2 Define a variable set to monitor for the VCO element and visualize the results of the simulated step response + ?! F& {5 k& a" u3 y + n! X# X. D+ ]7 u) I: k上面第一步的具体操作过程:5 k l6 X: K- v
#17: Open-Loop Test 9 d6 v$ G7 J+ ?3 x F. ^3 Q6 s/ o
 1 Open the event list ( ) and use the “New Object” button to insert a “Set Parameter(EvtPara)” event0 {% I, B% X4 y/ k3 q% n
 2 Select the AVR controller for the element. 6 d( f; X* D# N1 R9 k 3 Insert the name of the variable ‘usetp’ and the new value for this variable (=0.9).) x- W3 S# ?$ S( K' c
补充:2 Define a variable set to monitor for the VCO element and visualize the results of the simulated step response & w* b9 j! a7 }5 Q7 e! }) A& O0 k7 V% I- x; u S0 y) v
这一步也完成了,问:接下来怎么做?是执行计算初始条件然后开始仿真吗?