AN3157 datasheet(12/26 Pages) STMICROELECTRONICS

tên linh kiện	AN3157

Giải thích chi tiết về linh kiện	STEVAL-IPE010V1 poly-phase demonstration kit

PDF	26 Pages

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nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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12 / 26 page

Experimental results

AN3157

12/26

Doc ID 17105 Rev 1

Experimental results

The tests have been conducted considering INOM = 5 A, VNOM = 230 V, fline = 50 Hz.

4.1

3-phase energy measurement accuracy

4.1.1

Test with symmetrical voltages and balanced load at PF = 1

This 3-phase energy measurement has been carried out in the following conditions:

VR = VS = VT = 230 [VRMS]

IR = IS = IT = I [ARMS]

PF = 1

Table 5.

3-phase energy measurement

I (A)

% of In

Error (%)

200%

0.013%

160%

0.018%

100%

0.013%

40%

0.112%

20%

0.086%

0.5

10%

0.160%

0.2

0.543%

Figure 9.

Experimental results graph of the 3-phase energy measurement

0,013%

0,018%

0,112%

0,086%

0,160%

0,543%

-2,0%

-1,5%

-1,0%

-0,5%

0,0%

0,5%

1,0%

1,5%

2,0%

10%

100%

1000%

% of In

Class 1 limits

0,013%

0,018%

0,112%

0,086%

0,160%

0,543%

-2,0%

-1,5%

-1,0%

-0,5%

0,0%

0,5%

1,0%

1,5%

2,0%

10%

100%

1000%

% of In

Class 1 limits

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