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State Variables

Like other PC elements in the program, the PVsystem element has internal state variables

that can be queried and observed. The present variable names are:

1. 'Irradiance' This is the net irradiance after applying the load shape factor for

the present simulation mode.

2. 'PanelkW' This is the net power, kW, coming out of the panel taking into

consideration the irradiance and the temperature.

3. 'P_TFactor' The factor interpolated from the Power-Temperature curve for

the present solution. This is applied to the base Pmpp at the reference

temperature to compute the panel kW.

4. 'Efficiency' The efficiency factor for the inverter.

You can observe the values of these state variables during simulations by placing a

Monitor element, mode 3, on the terminal of the PVsystem element. Also, for a static

load condition, you can issue the “Show Variables” command to see the values of all

state variables in the system.

Using the Model

The basic data for the model are:

 An average Pmpp for the panel at 1 kW/m2

irradiance at a constant panel

temperature such as 25C or 50C.

 The per unit variation of Pmpp vs Temperature at 1kW/m2 irradiance.

 A representative efficiency curve for the inverter, per unit efficiency vs per unit

power.

Figure 2 shows the general form of i-v curves for a PV panel at a constant temperature.

The max power point, mpp, is shown on each curve. The ratio of Pmpp to irradiance at a

constant temperature varies a few percent over a practical range, but is often close

enough to being constant for the purpose of distribution impacts studies.

### 6 個解答

• B咖
Lv 5
5 年前
最佳解答

狀態變量

像在程序中的其他PC元素的PVsystem元素內部狀態變量。

可查詢和觀察到的當前的可變名稱是：

1.“輻射”，這是淨輻射施加載荷形狀因素後，目前的模擬模式。

2.“PanelkW”這是淨功率，千瓦，走出考慮到面板考慮輻照和溫度。

3.“P_TFactor”從開機溫度曲線插補的因素本解決方案。這被施加到基PMPP在參考溫度來計算面板千瓦。

4.“效率”的逆變器效率的因素。您可以通過放置在模擬遵守這些狀態變量的值監測元素，模式3中，PVsystem元件的端子上，另外，為一個靜態負載條件下，可以發出“顯示變量”命令來查看所有的值狀態變量在系統中。

使用模型為模型的基本數據有：

平均PMPP為面板在1千瓦/平方米輻照在恆定面板的溫度如25℃或50℃。該單位變化PMPP的與溫度為1千瓦/平方米的輻照度。變頻器代表效率曲線，單位效率與單位電源。

圖2示出的IV曲線的光伏電池板在恆定溫度下的一般形式。的最大功率點MPP，示出各曲線上。PMPP的比率來輻照在恆定溫度變化的百分之幾以上實用範圍內，但通常是靠近足以成為不變的分佈影響研究的目的。

我不知道這樣的翻譯是不是你想要的，不過就是以谷哥的翻譯器來做翻譯的動作。

B咖

• 4 年前

台北市英文怎麼拼

• 5 年前

heyy, thx for adding me...i had your username saved from a while ago, are you on any dating sites?

• 匿名使用者
5 年前

The Bean Belt- bounded by the Tropics of Cancer and Capricorn, coffee is grown within the Tropics

• 您覺得這個回答如何？您可以登入為回答投票。
• 5 年前

她的車怎麼了

• 5 年前

論文翻譯...

建議你還是用google翻譯看大綱吧

這不是免費翻譯社