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: & G% J! x5 P9 w, ?' S! ?4 b0 @" }# t1 K& v, m) A/ q" d
Verify the behaviour of the model by an open-loop test, i.e. the controller is not connected to any 2 x; f; p2 h8 ^/ o) Y* v# `' cother element (synchronous generator) in the grid: 9 X! d0 d/ _; z2 X0 i* F* v- A# t' V' a' ]8 l% w! r0 G8 Q2 p+ ~ Open-Loop Response:: a$ }( W2 w/ u; V8 K' `3 N- }9 @  1 Test the model with a step response to the reference voltage “usetp” (open-loop-test) [17]. , |/ S! ~) w) y 2 Define a variable set to monitor for the VCO element and visualize the results of the simulated step response! S) |- B+ i9 C
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上面第一步的具体操作过程:' U; M; l7 Y) d2 N- l) C; i7 a0 u
#17: Open-Loop Test: E* n. k0 ]6 d$ t) y$ t( Y
1 O+ M2 g; s! `" e4 p# Q6 x+ k' y% Z# e 1 Open the event list ( ) and use the “New Object” button to insert a “Set Parameter(EvtPara)” event ( t D5 `0 o, ~6 e2 [1 V7 x* ? 2 Select the AVR controller for the element. 7 j" v3 \& \3 k1 V, e 3 Insert the name of the variable ‘usetp’ and the new value for this variable (=0.9).6 Q P5 w' b# e% P, _) T4 [5 n
补充:2 Define a variable set to monitor for the VCO element and visualize the results of the simulated step response0 U, r: y! d* h1 `+ ?: w" Y. ?
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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?