เอกสารการประชุมวิชาการและเสนอผลงานวิจัย มหาวิทยาลัยทักษิณ ครั้งที่ 19 2552 - page 1417

„µ¦ž¦³»¤ª·µ„µ¦Â¨³Áœ°Ÿ¨Šµœª·‹´¥¤®µª·š¥µ¨´¥š´ „¬·– ‡¦´Ê Šš¸É 19 ž¦³‹Îµže 2552
- Type3b Áž} œnªœž¦³„°Î µ®¦´„µ¦‹Îµ¨°ŠÂ °Šž{€¤Ã—¥¦³Äož{€¤œÊ儦³Â˜¦Š œµ— 48 V 13.5 A
„µ¦®µ„Î µ¨´Š °Šž{€¤ ( P pump ) µ¤µ¦™‡Î µœª–Å—o—´Š¤„µ¦š¸É (6)
2
P = P c + c + c + ... + c if m 0
pump max 0 1 2 i
i
J J J ª º
¬ ¼ ² (6)
×¥š¸É
P max ‡º° „ε¨´ŠÅ¢¢jµ (A)
J ‡º° ¦Š—´œÅ¢¢jµ (V)
m ‡º° ¦Š—´œÅ¢¢jµÁ¦· ¤ (V)
Á¤ºÉ° c0, cl, c2, ..., ci ‡º°˜´ªÂž¦ o°¤¼¨œÎµÁ oµ 5, 6, 7, ....i+5
- Type24 Quantity Integrator Áž}œnªœž¦³„°š¸ÉčoĜ„µ¦‡ª‡»¤„µ¦šÎ µŠµœ °Šž{€¤ µ¤µ¦™‡Îµœª–Å—o —´Š
¤„µ¦š¸É (7)
Y = X dti i
time³ (7)
×¥š¸É
X i ‡º° ž¦·¤µ–宦´„µ¦®µž¦·¡´ œ›r
Y i ‡º° Áª¨µ‡¦¦° °Š X i
Ÿ¨„µ¦ª·‹´¥Â¨³°£· ž¦µ¥
‹µ„„µ¦ª·Á‡¦µ³®ro°¤¼¨£µ¡°µ„µ« °Š„¦¤°»˜»œ·¥¤ª·š¥µ – ‹´Š®ª´ —¡´š¨»Š ¡ªnµ‡ªµ¤Á o ¤¦´Š¸°µš· ˜¥r
¦ª¤œ¡ºÊœ¦µ (—Š—´Š¦¼žš¸É 2) ¤¸‡nµ‡ªµ¤Á o¤¦´Š¸ ¼Š»—ÄœnªŠÁ—º°œ„»¤£µ¡´œ›r™¹ŠÁ—º°œÁ¤¬µ¥œ ¤¸‡nµ‡ªµ¤Á o¤¦´Š¸
ž¦³¤µ– 490-560 W/m 2 ¨³‡nµ¦´Š¸ÁŒ¨¸É¥¦µ¥že ž¦³¤µ– 427.33 W/m2 Ĝnªœ °Š°»–®£¼¤·Âª—¨o°¤ (—Š—´ Š¦¼ž
š¸É 3) ¤¸ ‡nµ°»–®£¼ ¤· ¼Š» —ÄœnªŠÁ—º °œÁ¤¬µ¥œ™¹ŠÁ—º°œ„´ œ¥µ¥œ ¤¸‡nµ°»–®£¼ ¤·ž¦³¤µ– 28-29Ñ C ¨³‡nµ°» –®£¼¤·
ª—¨o°¤ÁŒ¨¸É¥¦µ¥žež¦³¤µ– 28.1Ñ C Ĝnªœ °Š°´˜¦µÁ¦Èª¨¤ (—Š—´Š¦¼žš¸É 4) ¤¸ ‡nµ°´˜¦µÁ¦Èª¨¤¼Š»—ÄœnªŠÁ—º°œ
„¦„‘µ‡¤™¹Š›´œªµ‡¤¤¸‡nµ°´˜¦µÁ¦Èª¨¤ž¦³¤µ– 3-5.8 m/s ¨³°´˜¦µÁ¦Èª¨¤ÁŒ¨¸É¥¦µ¥ª´œž¦³¤µ– 2.2-4.0 m/s
¦¼žš¸É 2 „¦µ¢‡ªµ¤Á o¤¦´Š¸°µš·˜¥r¦ª¤œ¡ºÊœ¦µ ¦¼žš¸É 3 „¦µ¢°»–®£¼¤·Âª—¨o°¤ÁŒ¨¸É¥¦µ¥Á—º °œ
ÁŒ¨¸É ¥¦µ¥Á—º°œ – ‹´Š®ª´—¡´š¨»Š ¡.«. 2550 – ‹´Š®ª´—¡´š¨»Š ¡.«. 2550
300
350
400
450
500
550
600
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Month
Global Radiation(W/m
2)
26.5
27.0
27.5
28.0
28.5
29.0
29.5
Jan Feb MarApr MayJun Jul Aug Sep Oct Nov Dec Month
Ambient Temperature (
oC)